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| 1950-01 | Daytona Beach | 41 | 9 | 9 | 70 | Buck Baker | Ford | 47/48 | 175 | running | 0 |
| 1950-14 | Langhorne | 48 | – | 18 | 70 | Lewis Hawkins | Plymouth | –/200 | 50 | – | 0 |
| 1951-01 | Daytona Beach | 55 | 18 | 50 | 70 | Dawson Lechlider | Oldsmobile | –/39 | 0 | – | 0 |
| 1951-02 | Charlotte | 40 | 24 | 24 | 70 | Lee Schneider | Kaiser | 64/150 | 25 | – | 0 |
| 1951-20 | Detroit | 59 | 36 | 56 | 70 | Johnny Wohlfiel | Nash | 27/250 | 0 | – | 0 |
| 1951-22 | Morristown | 44 | – | 21 | 70 | Bud Farrell | Plymouth | –/200 | 25 | – | 0 |
| 1951-24 | Darlington | 82 | 44 | 17 | 70 | Bud Farrell | Plymouth | 373/400 | 200 | running | 0 |
| 1951-25 | Columbia | 29 | 14 | 8 | 70 | Bud Farrell | Plymouth | –/200 | 100 | – | 0 |
| 1951-27 | Langhorne | 36 | – | 12 | 70 | Bud Farrell | Plymouth | –/150 | 25 | – | 0 |
| 1951-34 | Martinsville | 23 | 19 | 10 | 70 | Cal Johnson | Henry J | –/200 | 50 | – | 0 |
| 1954-26 | Morristown | 35 | – | 18 | 70 | Ken Kiser | Dodge | 164/200 | 25 | running | 0 |
| 1954-31 | Darlington | 50 | 30 | 28 | 70 | Charles Brinkley | Hudson | 268/364 | 100 | engine | 0 |
| 1955-24 | Spartanburg | 27 | 14 | 5 | 70 | Cotton Owens | Chevrolet | 195/200 | 300 | running | 0 |
| 1955-35 | Darlington | 69 | 27 | 8 | 70 | Cotton Owens | Chevrolet | 354/366 | 600 | running | 0 |
| 1955-37 | Langhorne | 42 | 42 | 10 | 70 | Joe Eubanks | Chevrolet | 220/250 | 175 | running | 0 |
| 1955-38 | Raleigh | 36 | 7 | 28 | 70 | Joe Eubanks | Chevrolet | 55/100 | 0 | crash | 0 |
| 1955-39 | Greenville | 28 | 3 | 23 | 70 | Joe Eubanks | Chevrolet | 104/200 | 0 | wheel | 0 |
| 1955-40 | LeHi | 41 | 17 | 28 | 70 | Joe Eubanks | Chevrolet | 46/200 | 60 | steering | 0 |
| 1955-41 | Columbia | 21 | 8 | 20 | 70 | Joe Eubanks | Chevrolet | 34/200 | 50 | bearing | 0 |
| 1955-42 | Martinsville | 28 | 21 | 22 | 70 | Joe Eubanks | Chevrolet | 156/200 | 0 | wheel | 0 |
| 1955-44 | North Wilkesboro | 28 | 14 | 24 | 70 | Joe Eubanks | Chevrolet | 40/160 | 0 | steering | 0 |
| 1956-01 | Hickory | 31 | 9 | 15 | 70 | Cotton Owens | Chevrolet | 188/200 | 50 | running | 0 |
| 1956-02 | Charlotte | 27 | 20 | 10 | 70 | Cotton Owens | Chevrolet | 126/134 | 100 | running | 0 |
| 1957-16 | Richmond | 22 | 22 | 15 | 70 | Harvey Eakin | Ford | 97/200 | 100 | gasket | 0 |
| 1957-20 | New Oxford | 28 | 27 | 17 | 70 | Harvey Eakin | Ford | 173/200 | 100 | running | – |
| 1957-28 | Raleigh | 53 | 51 | 42 | 70 | Harvey Eakin | Ford | 179/250 | 0 | running | 0 |
| 1957-37 | New Oxford | 32 | 31 | 22 | 70 | Harvey Eakin | Ford | 106/200 | 50 | wheel | – |
| 1957-45 | Langhorne | 48 | 45 | 28 | 70 | Harvey Eakin | Ford | 208/300 | 125 | running | 0 |
| 1958-13 | Manassas | 25 | 20 | 15 | 70 | Jim Parsley | Chevrolet | 134/150 | 85 | running | – |
| 1958-14 | Old Bridge | 27 | – | 24 | 70 | Jim Parsley | Chevrolet | 121/187 | 50 | – | 0 |
| 1958-17 | Roanoke | 22 | 17 | 20 | 70 | Jim Parsley | Chevrolet | 127/150 | 50 | tires | 0 |
| 1958-18 | North Wilkesboro | 24 | 18 | 17 | 70 | Jim Parsley | Chevrolet | 132/160 | 50 | running | 0 |
| 1958-23 | Bradford | 21 | 21 | 8 | 70 | Jim Parsley | Chevrolet | 136/150 | 150 | running | – |
| 1958-24 | Reading | 30 | 17 | 9 | 70 | Jim Parsley | Ford | 185/200 | 140 | running | 0 |
| 1958-25 | New Oxford | 31 | 17 | 11 | 70 | Rex White | Chevrolet | 187/200 | 125 | running | – |
| 1958-33 | Rochester | 21 | 12 | 6 | 70 | Jim Parsley | Chevrolet | 181/200 | 200 | running | 0 |
| 1958-34 | Wall | 19 | – | 12 | 70 | Jim Parsley | Chevrolet | 273/300 | 110 | running | 0 |
| 1958-38 | Weaverville | 38 | 29 | 26 | 70 | Jim Parsley | Chevrolet | 249/500 | 100 | crash | – |
| 1958-46 | Richmond | 22 | 17 | 6 | 70 | Jim Parsley | Chevrolet | 182/200 | 200 | running | 0 |
| 1959-11 | Reading | 25 | – | 8 | 70 | Jim Parsley | Chevrolet | 177/200 | 150 | running | 0 |
| 1960-04 | Daytona | 40 | 27 | 12 | 70 | Elmo Henderson | Pontiac | 39/40 | 125 | running | 0 |
| 1960-05 | Daytona | 68 | 24 | 59 | 70 | Elmo Henderson | Pontiac | 31/200 | 200 | windshield | 0 |
| 1960-10 | Martinsville | 37 | 26 | 31 | 70 | Elmo Henderson | Pontiac | 130/500 | 50 | axle | 0 |
| 1960-14 | Greenville | 22 | 6 | 11 | 70 | Elmo Henderson | Pontiac | 120/200 | 125 | rear end | 0 |
| 1960-21 | Charlotte | 60 | 22 | 32 | 70 | Elmo Henderson | Pontiac | 212/400 | 275 | running | 0 |
| 1960-35 | Darlington | 48 | 26 | 12 | 70 | Elmo Henderson | Pontiac | 338/364 | 600 | running | 0 |
| 1963-04 | Riverside | 44 | 32 | 14 | 70 | Bob Ross | Pontiac | 175/185 | 575 | running | 0 |
| 1963-05 | Daytona | 31 | 20 | 15 | 70 | Floyd Powell | Pontiac | 38/40 | 100 | running | – |
| 1963-07 | Daytona | 50 | 29 | 33 | 70 | Floyd Powell | Pontiac | 94/200 | 550 | wheel studs | 0 |
| 1963-09 | Weaverville | 22 | 8 | 10 | 70 | Floyd Powell | Pontiac | 187/200 | 140 | engine | 0 |
| 1963-11 | Atlanta | 46 | 25 | 41 | 70 | Floyd Powell | Pontiac | 70/334 | 250 | engine | 0 |
| 1963-45 | Darlington | 41 | 22 | 13 | 70 | Bunkie Blackburn | Pontiac | 339/364 | 800 | running | 0 |
| 1964-02 | Augusta | 36 | 27 | 24 | 70 | G.C. Spencer | Pontiac | 33/139 | 525 | engine | 0 |
| 1964-06 | Daytona | 23 | 22 | 19 | 70 | Elmo Henderson | Pontiac | 4/40 | 100 | oil pressure | 0 |
| 1964-08 | Daytona | 46 | 37 | 39 | 70 | Elmo Henderson | Pontiac | 4/200 | 725 | engine | 0 |
| 1964-18 | North Wilkesboro | 31 | 29 | 26 | 70 | LeeRoy Yarbrough | Pontiac | 69/400 | 150 | brakes | 0 |
| 1964-25 | Charlotte | 44 | 35 | 37 | 70 | Ralph Earnhardt | Pontiac | 5/400 | 675 | engine | 0 |
| 1964-60 | Harris | 21 | 16 | 20 | 70 | Cotton Farmer | Pontiac | 49/334 | 100 | steering | 0 |
| 1964-61 | Augusta | 30 | 28 | 18 | 70 | Cotton Farmer | Pontiac | 240/300 | 160 | running | 0 |
| 1965-14 | Bristol | 33 | 20 | 32 | 70 | Joe Bill Adams | Ford | 13/500 | 300 | clutch | 0 |
| 1965-17 | Winston-Salem | 20 | 12 | 19 | 70 | Fred Goad | Ford | 2/200 | 100 | brakes | 0 |
| 1965-18 | Hickory | 24 | 23 | 9 | 70 | Joe Bill Adams | Ford | 231/250 | 150 | running | 0 |
| 1965-19 | Charlotte | 44 | 43 | 26 | 70 | Wendell Scott | Ford | 179/400 | 950 | engine | 0 |
| 1965-25 | Atlanta | 42 | 34 | 41 | 70 | Fred Goad | Ford | 7/267 | 415 | engine | 0 |
| 1966-06 | Rockingham | 44 | 44 | 16 | 70 | J.D. McDuffie | Ford | 420/500 | 725 | running | 0 |
| 1966-07 | Bristol | 32 | 32 | 17 | 70 | J.D. McDuffie | Ford | 374/500 | 300 | a frame | 0 |
| 1966-09 | Hickory | 26 | 14 | 7 | 70 | J.D. McDuffie | Ford | 238/250 | 200 | running | 0 |
| 1966-10 | Columbia | 24 | 11 | 14 | 70 | J.D. McDuffie | Ford | 181/200 | 100 | running | 0 |
| 1966-11 | Greenville | 25 | 17 | 18 | 70 | J.D. McDuffie | Ford | 74/200 | 100 | brakes | 0 |
| 1966-12 | Winston-Salem | 22 | 12 | 10 | 70 | J.D. McDuffie | Ford | 180/200 | 155 | running | 0 |
| 1966-13 | North Wilkesboro | 37 | 29 | 7 | 70 | J.D. McDuffie | Ford | 370/400 | 475 | running | 0 |
| 1966-14 | Martinsville | 40 | 14 | 25 | 70 | J.D. McDuffie | Ford | 251/500 | 325 | clutch | 0 |
| 1966-18 | Monroe | 25 | 6 | 11 | 70 | J.D. McDuffie | Ford | 132/250 | 130 | crash | 0 |
| 1966-19 | Richmond | 30 | 19 | 13 | 70 | J.D. McDuffie | Ford | 207/250 | 175 | running | 0 |
| 1966-21 | Moyock | 25 | 17 | 8 | 70 | J.D. McDuffie | Ford | 278/301 | 175 | running | 0 |
| 1966-22 | Asheville | 22 | 22 | 8 | 70 | J.D. McDuffie | Ford | 278/300 | 175 | running | 0 |
| 1966-23 | Spartanburg | 22 | 14 | 5 | 70 | J.D. McDuffie | Ford | 189/200 | 275 | running | 0 |
| 1966-24 | Maryville | 26 | 19 | 21 | 70 | J.D. McDuffie | Ford | 66/200 | 100 | crash | 0 |
| 1966-25 | Weaverville | 29 | 23 | 13 | 70 | J.D. McDuffie | Ford | 270/300 | 100 | running | 0 |
| 1966-26 | Beltsville | 31 | 19 | 14 | 70 | J.D. McDuffie | Ford | 178/200 | 100 | running | 0 |
| 1966-27 | Greenville | 18 | 18 | 6 | 70 | J.D. McDuffie | Ford | 186/200 | 240 | running | 0 |
| 1966-28 | Daytona | 40 | 37 | 21 | 70 | J.D. McDuffie | Ford | 133/160 | 570 | running | 0 |
| 1966-29 | Manassas | 24 | 23 | 13 | 70 | J.D. McDuffie | Ford | 207/400 | 160 | brakes | 0 |
| 1966-30 | Bridgehampton | 28 | 13 | 17 | 70 | J.D. McDuffie | Ford | 45/52 | 145 | running | 0 |
| 1966-31 | Oxford | 27 | 20 | 18 | 70 | J.D. McDuffie | Ford | 116/300 | 120 | transmission | 0 |
| 1966-32 | Fonda | 31 | 15 | 7 | 70 | J.D. McDuffie | Ford | 191/200 | 200 | running | 0 |
| 1966-33 | Islip | 29 | 24 | 21 | 70 | J.D. McDuffie | Ford | 77/300 | 100 | transmission | 0 |
| 1966-34 | Bristol | 36 | 36 | 14 | 70 | J.D. McDuffie | Ford | 454/500 | 545 | running | 0 |
| 1966-35 | Maryville | 29 | 22 | 19 | 70 | J.D. McDuffie | Ford | 157/200 | 100 | running | 0 |
| 1966-36 | Nashville | 28 | 24 | 23 | 70 | J.D. McDuffie | Ford | 54/400 | 100 | overheating | 0 |
| 1966-37 | Atlanta | 44 | 42 | 22 | 70 | J.D. McDuffie | Ford | 148/267 | 600 | transmission | 0 |
| 1966-38 | Columbia | 26 | 14 | 12 | 70 | J.D. McDuffie | Ford | 184/200 | 120 | crash | 0 |
| 1966-39 | Weaverville | 30 | 30 | 24 | 70 | J.D. McDuffie | Ford | 194/500 | 200 | crash | 0 |
| 1966-40 | Beltsville | 22 | 20 | 11 | 70 | J.D. McDuffie | Ford | 183/200 | 130 | running | 0 |
| 1966-41 | Winston-Salem | 24 | 15 | 8 | 70 | J.D. McDuffie | Ford | 233/250 | 175 | running | 0 |
| 1966-43 | Hickory | 21 | 15 | 15 | 70 | J.D. McDuffie | Ford | 183/250 | 100 | running | 0 |
| 1966-44 | Richmond | 29 | 15 | 24 | 70 | J.D. McDuffie | Ford | 40/300 | 150 | engine | 0 |
| 1966-45 | Hillsboro | 23 | 20 | 23 | 70 | J.D. McDuffie | Ford | 1/167 | 100 | oil pressure | 0 |
| 1966-46 | Martinsville | 40 | 33 | 22 | 70 | J.D. McDuffie | Ford | 296/500 | 300 | oil pressure | 0 |
| 1966-49 | Rockingham | 44 | 36 | 26 | 70 | J.D. McDuffie | Ford | 402/500 | 755 | running | 0 |
| 1967-01 | Augusta | 25 | 16 | 18 | 70 | J.D. McDuffie | Ford | 137/300 | 150 | engine | 0 |
| 1968-12 | Martinsville | 40 | 19 | 25 | 70 | J.D. McDuffie | Buick | 237/500 | 325 | overheating | 0 |
| 1968-13 | Augusta | 23 | 19 | 16 | 70 | J.D. McDuffie | Buick | 125/250 | 100 | rear end | 0 |
| 1968-14 | Weaverville | 28 | 27 | 19 | 70 | J.D. McDuffie | Buick | 98/300 | 100 | oil pressure | 0 |
| 1968-16 | Beltsville | 23 | 14 | 15 | 70 | J.D. McDuffie | Buick | 122/300 | 100 | oil leak | 0 |
| 1968-19 | Asheville | 23 | 7 | 8 | 70 | J.D. McDuffie | Buick | 281/300 | 175 | running | 0 |
| 1968-20 | Macon | 30 | 20 | 9 | 70 | J.D. McDuffie | Buick | 276/300 | 200 | running | 0 |
| 1968-23 | Rockingham | 44 | 30 | 7 | 70 | J.D. McDuffie | Buick | 463/500 | 1,200 | running | 0 |
| 1968-24 | Greenville | 22 | 10 | 6 | 70 | J.D. McDuffie | Buick | 191/200 | 240 | running | 0 |
| 1968-25 | Daytona | 37 | 36 | 37 | 70 | J.D. McDuffie | Buick | 1/160 | 440 | engine | 0 |
| 1968-26 | Islip | 25 | 18 | 19 | 70 | J.D. McDuffie | Buick | 127/300 | 100 | brakes | 0 |
| 1968-27 | Oxford | 27 | 17 | 9 | 70 | J.D. McDuffie | Buick | 284/300 | 190 | running | 0 |
| 1968-28 | Fonda | 25 | 9 | 15 | 70 | J.D. McDuffie | Buick | 123/200 | 100 | crash | 0 |
| 1968-29 | Trenton | 36 | 28 | 19 | 70 | J.D. McDuffie | Buick | 195/300 | 330 | axle | 0 |
| 1968-30 | Bristol | 36 | 29 | 10 | 70 | J.D. McDuffie | Buick | 463/500 | 525 | running | 0 |
| 1968-31 | Maryville | 26 | 16 | 10 | 70 | J.D. McDuffie | Buick | 184/200 | 145 | running | 0 |
| 1968-32 | Nashville | 22 | 10 | 11 | 70 | J.D. McDuffie | Buick | 226/301 | 270 | engine | 0 |
| 1968-33 | Atlanta | 40 | 40 | 40 | 70 | J.D. McDuffie | Buick | 4/334 | 550 | vibration | 0 |
| 1968-34 | Columbia | 24 | 11 | 15 | 70 | J.D. McDuffie | Buick | 159/200 | 100 | head gasket | 0 |
| 1968-35 | Winston-Salem | 20 | 8 | 16 | 70 | J.D. McDuffie | Buick | 62/250 | 100 | engine | 0 |
| 1968-36 | Weaverville | 29 | 19 | 25 | 70 | J.D. McDuffie | Buick | 56/500 | 200 | engine | 0 |
| 1968-37 | South Boston | 21 | 10 | 12 | 70 | J.D. McDuffie | Buick | 219/267 | 120 | running | 0 |
| 1968-38 | Hampton | 24 | 11 | 11 | 70 | J.D. McDuffie | Buick | 239/250 | 130 | running | 0 |
| 1968-39 | Darlington | 44 | 44 | 42 | 70 | J.D. McDuffie | Buick | 22/364 | 535 | oil pressure | 0 |
| 1968-40 | Hickory | 23 | 10 | 18 | 70 | J.D. McDuffie | Buick | 121/250 | 100 | rear end | 0 |
| 1968-41 | Richmond | 28 | 13 | 28 | 70 | J.D. McDuffie | Buick | 12/300 | 0 | oil pressure | 0 |
| 1968-42 | Beltsville | 23 | 14 | 8 | 70 | J.D. McDuffie | Buick | 283/300 | 250 | running | 0 |
| 1968-43 | Hillsboro | 24 | 13 | 15 | 70 | J.D. McDuffie | Buick | 85/167 | 100 | rear end | 0 |
| 1968-44 | Martinsville | 40 | 23 | 16 | 70 | J.D. McDuffie | Buick | 465/500 | 385 | running | 0 |
| 1968-45 | North Wilkesboro | 30 | 26 | 30 | 70 | J.D. McDuffie | Buick | 1/400 | 250 | engine | 0 |
| 1968-46 | Augusta | 21 | 12 | 9 | 70 | J.D. McDuffie | Buick | 184/200 | 150 | running | 0 |
| 1968-48 | Rockingham | 44 | 31 | 35 | 70 | J.D. McDuffie | Buick | 95/500 | 735 | engine | 0 |
| 1968-49 | Jefferson | 29 | 22 | 13 | 70 | J.D. McDuffie | Buick | 184/200 | 110 | running | 0 |
| 1969-01 | Macon | 30 | 28 | 30 | 70 | J.D. McDuffie | Buick | 20/500 | 150 | engine | 0 |
| 1969-02 | Montgomery | 22 | 10 | 13 | 70 | J.D. McDuffie | Buick | 170/200 | 110 | running | 0 |
| 1969-03 | Riverside | 44 | 35 | 29 | 70 | J.D. McDuffie | Buick | 50/186 | 775 | engine | 0 |
| 1969-05 | Daytona | 24 | 23 | 18 | 70 | J.D. McDuffie | Buick | 43/50 | 235 | running | 0 |
| 1969-06 | Daytona | 50 | 36 | 39 | 70 | J.D. McDuffie | Buick | 87/200 | 2,290 | engine | 0 |
| 1969-07 | Rockingham | 43 | 40 | 29 | 70 | J.D. McDuffie | Buick | 284/500 | 770 | engine | 0 |
| 1969-08 | Augusta | 25 | 23 | 22 | 70 | J.D. McDuffie | Buick | 51/200 | 200 | oil pressure | 0 |
| 1969-09 | Bristol | 30 | 23 | 30 | 70 | J.D. McDuffie | Buick | 27/500 | 360 | engine | 0 |
| 1969-10 | Atlanta | 40 | 25 | 16 | 70 | J.D. McDuffie | Buick | 284/334 | 1,300 | crash | 0 |
| 1969-11 | Columbia | 25 | 17 | 16 | 70 | J.D. McDuffie | Buick | 94/200 | 230 | engine | 0 |
| 1969-12 | Hickory | 20 | 14 | 10 | 70 | J.D. McDuffie | Buick | 232/250 | 280 | running | 0 |
| 1969-13 | Greenville | 24 | 9 | 16 | 70 | J.D. McDuffie | Buick | 158/200 | 230 | rear end | 0 |
| 1969-14 | Richmond | 28 | 19 | 6 | 70 | J.D. McDuffie | Buick | 464/500 | 625 | running | 0 |
| 1969-15 | North Wilkesboro | 30 | 8 | 13 | 70 | J.D. McDuffie | Buick | 366/400 | 515 | running | 0 |
| 1969-16 | Martinsville | 40 | 19 | 14 | 70 | J.D. McDuffie | Buick | 453/500 | 635 | running | 0 |
| 1969-17 | Weaverville | 25 | 13 | 9 | 70 | J.D. McDuffie | Buick | 277/300 | 360 | running | 0 |
| 1969-18 | Darlington | 36 | 32 | 25 | 70 | J.D. McDuffie | Buick | 147/291 | 625 | clutch | 0 |
| 1969-19 | Beltsville | 22 | 17 | 19 | 70 | J.D. McDuffie | Buick | 27/300 | 300 | engine | 0 |
| 1969-20 | Hampton | 24 | 16 | 11 | 70 | J.D. McDuffie | Buick | 316/375 | 380 | running | 0 |
| 1969-21 | Charlotte | 44 | 43 | 15 | 70 | J.D. McDuffie | Buick | 348/400 | 1,875 | running | 0 |
| 1969-22 | Macon | 24 | 21 | 10 | 70 | J.D. McDuffie | Buick | 276/300 | 390 | running | 0 |
| 1969-23 | Maryville | 23 | 19 | 8 | 70 | J.D. McDuffie | Buick | 271/300 | 400 | running | 0 |
| 1969-24 | Michigan | 38 | 20 | 13 | 70 | J.D. McDuffie | Buick | 211/250 | 1,227 | running | 0 |
| 1969-25 | Kingsport | 23 | 20 | 15 | 70 | J.D. McDuffie | Buick | 155/250 | 235 | running | 0 |
| 1969-26 | Greenville | 25 | 7 | 6 | 70 | J.D. McDuffie | Buick | 191/200 | 300 | running | 0 |
| 1969-27 | Raleigh | 24 | 21 | 11 | 70 | J.D. McDuffie | Buick | 124/200 | 255 | engine | 0 |
| 1969-29 | Dover | 32 | 16 | 12 | 70 | J.D. McDuffie | Buick | 265/300 | 575 | running | 0 |
| 1969-30 | Thompson | 31 | 19 | 11 | 70 | J.D. McDuffie | Buick | 187/200 | 475 | running | 0 |
| 1969-31 | Trenton | 37 | 17 | 26 | 70 | J.D. McDuffie | Buick | 46/200 | 300 | engine | 0 |
| 1969-32 | Beltsville | 24 | 18 | 9 | 70 | J.D. McDuffie | Buick | 281/300 | 400 | running | 0 |
| 1969-33 | Bristol | 32 | 31 | 9 | 70 | J.D. McDuffie | Buick | 418/500 | 700 | running | 0 |
| 1969-34 | Nashville | 24 | 18 | 9 | 70 | J.D. McDuffie | Buick | 348/400 | 460 | running | 0 |
| 1969-35 | Maryville | 23 | 15 | 13 | 70 | J.D. McDuffie | Buick | 172/200 | 245 | running | 0 |
| 1969-36 | Atlanta | 40 | 31 | 23 | 70 | J.D. McDuffie | Buick | 264/334 | 1,240 | engine | 0 |
| 1969-37 | Michigan | 44 | 40 | 28 | 70 | J.D. McDuffie | Buick | 155/165 | 1,000 | running | 0 |
| 1969-38 | South Boston | 24 | 19 | 12 | 70 | J.D. McDuffie | Buick | 242/267 | 250 | running | 0 |
| 1969-39 | Winston-Salem | 24 | 19 | 8 | 70 | J.D. McDuffie | Buick | 237/250 | 270 | running | 0 |
| 1969-40 | Weaverville | 27 | 14 | 13 | 70 | J.D. McDuffie | Buick | 407/500 | 490 | transmission | 0 |
| 1969-41 | Darlington | 40 | 34 | 25 | 70 | J.D. McDuffie | Buick | 193/230 | 1,000 | running | 0 |
| 1969-42 | Hickory | 22 | 10 | 12 | 70 | J.D. McDuffie | Buick | 234/250 | 270 | running | 0 |
| 1969-43 | Richmond | 25 | 24 | 25 | 70 | J.D. McDuffie | Buick | 22/462 | 370 | engine | 0 |
| 1969-45 | Columbia | 23 | 11 | 7 | 70 | J.D. McDuffie | Buick | 189/200 | 275 | running | 0 |
| 1969-49 | Savannah | 29 | 17 | 10 | 70 | J.D. McDuffie | Buick | 184/200 | 260 | running | 0 |
| 1969-50 | Augusta | 29 | 16 | 29 | 70 | J.D. McDuffie | Buick | 8/200 | 100 | engine | 0 |
| 1969-52 | Jefferson | 27 | 18 | 13 | 70 | J.D. McDuffie | Buick | 178/200 | 245 | running | 0 |
| 1969-53 | Macon | 29 | 28 | 25 | 70 | Don Biederman | Ford | 133/500 | 370 | clutch | 0 |
| 1969-54 | College Station | 38 | 27 | 19 | 70 | Don Biederman | Ford | 205/250 | 1,075 | running | 0 |
| 1970-03 | Daytona | 31 | 17 | 31 | 70 | J.D. McDuffie | Buick | 4/50 | 0 | steering | 0 |
| 1970-05 | Richmond | 26 | 25 | 11 | 70 | J.D. McDuffie | Buick | 434/500 | 530 | running | 0 |
| 1970-06 | Rockingham | 40 | 19 | 13 | 70 | J.D. McDuffie | Buick | 427/492 | 1,090 | running | 0 |
| 1970-07 | Savannah | 21 | 12 | 11 | 70 | J.D. McDuffie | Buick | 184/200 | 255 | running | 0 |
| 1970-08 | Atlanta | 40 | 40 | 30 | 70 | J.D. McDuffie | Buick | 124/328 | 1,060 | engine | 0 |
| 1970-09 | Bristol | 30 | 23 | 6 | 70 | J.D. McDuffie | Buick | 444/500 | 820 | running | 0 |
| 1970-12 | Columbia | 27 | 22 | 8 | 70 | J.D. McDuffie | Buick | 192/200 | 270 | running | 0 |
| 1970-14 | Beltsville | 28 | 17 | 10 | 70 | J.D. McDuffie | Buick | 269/300 | 350 | running | 0 |
| 1970-15 | Hampton | 25 | 16 | 16 | 70 | J.D. McDuffie | Buick | 186/300 | 230 | crash | 0 |
| 1970-16 | Charlotte | 40 | 39 | 21 | 70 | J.D. McDuffie | Mercury | 316/400 | 1,750 | battery | 0 |
| 1970-17 | Maryville | 22 | 19 | 11 | 70 | J.D. McDuffie | Buick | 176/200 | 255 | running | 0 |
| 1970-18 | Martinsville | 39 | 33 | 21 | 70 | J.D. McDuffie | Buick | 141/377 | 665 | engine | 0 |
| 1970-22 | Kingsport | 22 | 16 | 7 | 70 | J.D. McDuffie | Buick | 276/297 | 275 | running | 0 |
| 1970-23 | Greenville | 29 | 24 | 12 | 70 | J.D. McDuffie | Buick | 184/200 | 250 | running | 0 |
| 1970-24 | Daytona | 40 | 27 | 16 | 70 | J.D. McDuffie | Ford | 142/160 | 890 | running | 0 |
| 1970-25 | Malta | 28 | 6 | 23 | 70 | J.D. McDuffie | Mercury | 127/250 | 200 | ignition | 0 |
| 1970-26 | Thompson | 30 | 11 | 11 | 70 | J.D. McDuffie | Mercury | 187/200 | 475 | running | 0 |
| 1970-27 | Trenton | 37 | 15 | 23 | 70 | J.D. McDuffie | Mercury | 153/200 | 355 | running | 0 |
| 1970-28 | Bristol | 30 | 19 | 9 | 70 | J.D. McDuffie | Mercury | 439/500 | 675 | running | 0 |
| 1970-29 | Maryville | 30 | 13 | 21 | 70 | J.D. McDuffie | Mercury | 80/200 | 205 | brakes | 0 |
| 1970-30 | Nashville | 36 | 26 | 5 | 70 | J.D. McDuffie | Mercury | 385/420 | 910 | running | 0 |
| 1970-32 | Columbia | 25 | 24 | 23 | 70 | J.D. McDuffie | Buick | 16/200 | 200 | engine | 0 |
| 1970-35 | Talladega | 50 | 29 | 41 | 70 | J.D. McDuffie | Mercury | 73/188 | 750 | oil leak | 0 |
| 1970-36 | Winston-Salem | 22 | 6 | 7 | 70 | J.D. McDuffie | Mercury | 238/250 | 275 | running | 0 |
| 1970-37 | South Boston | 24 | 8 | 7 | 70 | J.D. McDuffie | Mercury | 273/281 | 275 | running | 0 |
| 1970-38 | Darlington | 40 | 30 | 26 | 70 | J.D. McDuffie | Mercury | 301/367 | 1,195 | ignition | 0 |
| 1970-39 | Hickory | 22 | 14 | 11 | 70 | J.D. McDuffie | Mercury | 267/276 | 275 | running | 0 |
| 1970-40 | Richmond | 30 | 17 | 15 | 70 | J.D. McDuffie | Mercury | 468/500 | 520 | running | 0 |
| 1970-41 | Dover | 36 | 23 | 25 | 70 | J.D. McDuffie | Mercury | 116/300 | 505 | engine | 0 |
| 1970-42 | Raleigh | 23 | 12 | 19 | 70 | J.D. McDuffie | Buick | 77/200 | 215 | driveshaft | 0 |
| 1970-43 | North Wilkesboro | 30 | 18 | 21 | 70 | J.D. McDuffie | Mercury | 235/400 | 460 | axle | 0 |
| 1970-44 | Charlotte | 40 | 39 | 15 | 70 | J.D. McDuffie | Mercury | 302/334 | 1,565 | running | 0 |
| 1970-45 | Martinsville | 30 | 17 | 10 | 70 | J.D. McDuffie | Mercury | 467/500 | 875 | running | 0 |
| 1970-47 | Rockingham | 40 | 38 | 18 | 70 | J.D. McDuffie | Mercury | 435/492 | 895 | running | 0 |
| 1970-48 | Hampton | 30 | 8 | 8 | 70 | J.D. McDuffie | Mercury | 293/300 | 295 | running | 0 |
| 1971-01 | Riverside | 40 | 34 | 15 | 70 | J.D. McDuffie | Mercury | 140/191 | 1,190 | engine | 0 |
| 1971-03 | Daytona | 31 | 26 | 30 | 70 | J.D. McDuffie | Mercury | 7/50 | 0 | radiator | 0 |
| 1971-05 | Ontario | 51 | 42 | 35 | 70 | J.D. McDuffie | Mercury | 91/200 | 1,475 | engine | 0 |
| 1971-06 | Richmond | 30 | 19 | 20 | 70 | J.D. McDuffie | Buick | 210/500 | 425 | engine | 0 |
| 1971-09 | Bristol | 30 | 27 | 30 | 70 | J.D. McDuffie | Chevrolet | 18/500 | 370 | oil line | 0 |
| 1971-10 | Atlanta | 40 | 39 | 25 | 70 | J.D. McDuffie | Chevrolet | 288/328 | 1,120 | running | 0 |
| 1971-11 | Columbia | 26 | 25 | 15 | 70 | J.D. McDuffie | Chevrolet | 135/200 | 255 | engine | 0 |
| 1971-13 | Maryville | 30 | 21 | 18 | 70 | J.D. McDuffie | Chevrolet | 136/200 | 220 | crash | 0 |
| 1971-14 | North Wilkesboro | 30 | 21 | 20 | 70 | J.D. McDuffie | Mercury | 191/400 | 440 | rear end | 0 |
| 1971-15 | Martinsville | 30 | 23 | 19 | 70 | J.D. McDuffie | Mercury | 330/500 | 525 | clutch | 0 |
| 1971-16 | Darlington | 36 | 34 | 7 | 70 | J.D. McDuffie | Mercury | 265/293 | 1,400 | running | 0 |
| 1971-17 | South Boston | 28 | 13 | 7 | 70 | J.D. McDuffie | Chevrolet | 270/281 | 275 | running | 0 |
| 1971-18 | Talladega | 50 | 18 | 33 | 70 | J.D. McDuffie | Mercury | 81/188 | 1,425 | fuel line | 0 |
| 1971-19 | Asheville | 18 | 17 | 7 | 70 | J.D. McDuffie | Mercury | 130/300 | 275 | engine | 0 |
| 1971-20 | Kingsport | 25 | 19 | 24 | 70 | J.D. McDuffie | Chevrolet | 26/300 | 220 | oil leak | 0 |
| 1971-21 | Charlotte | 40 | 32 | 24 | 70 | J.D. McDuffie | Mercury | 333/400 | 1,325 | running | 0 |
| 1971-22 | Dover | 40 | 29 | 12 | 70 | J.D. McDuffie | Mercury | 456/500 | 1,145 | running | 0 |
| 1971-23 | Michigan | 40 | 38 | 25 | 70 | J.D. McDuffie | Mercury | 156/197 | 735 | running | 0 |
| 1971-24 | Riverside | 40 | 21 | 14 | 70 | J.D. McDuffie | Mercury | 107/153 | 995 | running | 0 |
| 1971-25 | Houston | 14 | 6 | 10 | 70 | J.D. McDuffie | Mercury | 249/300 | 400 | running | 0 |
| 1971-26 | Greenville | 29 | 9 | 24 | 70 | J.D. McDuffie | Mercury | 60/200 | 200 | rear end | 0 |
| 1971-27 | Daytona | 40 | 33 | 35 | 70 | J.D. McDuffie | Mercury | 49/160 | 670 | transmission | 0 |
| 1971-28 | Bristol | 30 | 18 | 9 | 70 | J.D. McDuffie | Mercury | 450/500 | 625 | running | 0 |
| 1971-29 | Malta | 34 | 6 | 3 | 70 | J.D. McDuffie | Mercury | 244/250 | 500 | running | 5 |
| 1971-30 | Islip | 33 | 16 | 16 | 70 | J.D. McDuffie | Mercury | 132/230 | 230 | rear end | 0 |
| 1971-31 | Trenton | 40 | 30 | 17 | 70 | J.D. McDuffie | Mercury | 181/200 | 390 | running | 0 |
| 1971-32 | Nashville | 29 | 7 | 5 | 70 | J.D. McDuffie | Mercury | 403/420 | 1,025 | running | 0 |
| 1971-33 | Atlanta | 40 | 38 | 17 | 70 | J.D. McDuffie | Mercury | 299/328 | 900 | running | 0 |
| 1971-34 | Winston-Salem | 29 | 14 | 13 | 70 | J.D. McDuffie | Mercury | 225/250 | 245 | running | 0 |
| 1971-35 | Ona | 35 | 28 | 12 | 70 | J.D. McDuffie | Mercury | 452/500 | 450 | running | 0 |
| 1971-36 | Michigan | 40 | 29 | 18 | 70 | J.D. McDuffie | Mercury | 183/197 | 840 | running | 0 |
| 1971-37 | Talladega | 50 | 27 | 21 | 70 | J.D. McDuffie | Mercury | 161/188 | 1,240 | running | 0 |
| 1971-38 | Columbia | 30 | 24 | 19 | 70 | J.D. McDuffie | Mercury | 159/200 | 215 | crash | 0 |
| 1971-41 | Martinsville | 30 | 26 | 30 | 70 | J.D. McDuffie | Mercury | 58/500 | 250 | rear end | 0 |
| 1971-43 | Dover | 40 | 31 | 26 | 70 | J.D. McDuffie | Mercury | 266/500 | 710 | overheating | 0 |
| 1971-44 | Rockingham | 41 | 35 | 24 | 70 | J.D. McDuffie | Mercury | 342/492 | 745 | suspension | 0 |
| 1971-45 | Macon | 32 | 21 | 7 | 70 | J.D. McDuffie | Chevrolet | 474/500 | 600 | running | 0 |
| 1971-46 | Richmond | 30 | 9 | 19 | 70 | J.D. McDuffie | Chevrolet | 384/500 | 435 | running | 0 |
| 1971-47 | North Wilkesboro | 31 | 30 | 15 | 70 | J.D. McDuffie | Chevrolet | 372/400 | 520 | running | 0 |
| 1971-48 | College Station | 49 | 44 | 19 | 70 | J.D. McDuffie | Mercury | 211/250 | 720 | running | 0 |
| 1972-01 | Riverside | 40 | 34 | 18 | 70 | J.D. McDuffie | Chevrolet | 128/149 | 1,640 | running | 0 |
| 1972-02 | Daytona | 40 | 19 | 24 | 70 | J.D. McDuffie | Chevrolet | 84/200 | 2,010 | oil pressure | 0 |
| 1972-03 | Richmond | 30 | 13 | 12 | 70 | J.D. McDuffie | Chevrolet | 451/500 | 765 | running | 0 |
| 1972-04 | Ontario | 51 | 43 | 23 | 70 | J.D. McDuffie | Chevrolet | 180/200 | 2,545 | running | 0 |
| 1972-07 | Bristol | 30 | 26 | 19 | 70 | J.D. McDuffie | Chevrolet | 387/500 | 730 | ignition | 0 |
| 1972-08 | Darlington | 36 | 34 | 19 | 70 | J.D. McDuffie | Chevrolet | 255/293 | 1,270 | running | 0 |
| 1972-09 | North Wilkesboro | 30 | 28 | 25 | 70 | J.D. McDuffie | Chevrolet | 121/400 | 670 | engine | 0 |
| 1972-10 | Martinsville | 36 | 19 | 13 | 70 | J.D. McDuffie | Chevrolet | 462/500 | 925 | running | 0 |
| 1972-11 | Talladega | 50 | 46 | 34 | 70 | J.D. McDuffie | Chevrolet | 88/188 | 1,645 | axle | 0 |
| 1972-12 | Charlotte | 40 | 32 | 33 | 70 | J.D. McDuffie | Chevrolet | 98/400 | 1,490 | engine | 0 |
| 1972-13 | Dover | 40 | 32 | 11 | 70 | J.D. McDuffie | Chevrolet | 460/500 | 1,700 | running | 0 |
| 1972-14 | Michigan | 40 | 24 | 16 | 70 | J.D. McDuffie | Chevrolet | 181/200 | 915 | running | 0 |
| 1972-15 | Riverside | 40 | 31 | 28 | 70 | J.D. McDuffie | Chevrolet | 46/153 | 1,205 | transmission | 0 |
| 1972-16 | College Station | 44 | 34 | 27 | 70 | J.D. McDuffie | Chevrolet | 193/250 | 1,260 | windshield | 0 |
| 1972-17 | Daytona | 40 | 36 | 28 | 70 | J.D. McDuffie | Chevrolet | 84/160 | 1,245 | engine | 0 |
| 1972-18 | Bristol | 30 | 20 | 5 | 70 | J.D. McDuffie | Dodge | 466/500 | 1,300 | running | 0 |
| 1972-19 | Trenton | 33 | 23 | 16 | 70 | J.D. McDuffie | Chevrolet | 180/200 | 675 | running | 0 |
| 1972-21 | Talladega | 50 | 44 | 36 | 70 | J.D. McDuffie | Chevrolet | 42/188 | 1,365 | engine | 0 |
| 1972-22 | Michigan | 40 | 35 | 29 | 70 | J.D. McDuffie | Chevrolet | 154/200 | 1,245 | running | 0 |
| 1972-23 | Nashville | 28 | 17 | 10 | 70 | J.D. McDuffie | Chevrolet | 357/420 | 850 | running | 0 |
| 1972-26 | Dover | 40 | 34 | 24 | 70 | J.D. McDuffie | Chevrolet | 288/500 | 1,325 | engine | 0 |
| 1972-27 | Martinsville | 36 | 12 | 14 | 70 | J.D. McDuffie | Chevrolet | 460/500 | 900 | running | 0 |
| 1972-28 | North Wilkesboro | 30 | 21 | 23 | 70 | J.D. McDuffie | Chevrolet | 116/400 | 665 | engine | 0 |
| 1972-30 | Rockingham | 40 | 16 | 24 | 70 | J.D. McDuffie | Chevrolet | 392/492 | 1,325 | running | 0 |
| 1972-31 | College Station | 44 | 13 | 14 | 70 | J.D. McDuffie | Chevrolet | 237/250 | 1,400 | running | 0 |
| 1973-01 | Riverside | 40 | 26 | 32 | 70 | J.D. McDuffie | Chevrolet | 48/191 | 1,515 | valve | 0 |
| 1973-02 | Daytona | 40 | 22 | 26 | 70 | J.D. McDuffie | Chevrolet | 129/200 | 2,260 | engine | 0 |
| 1973-03 | Richmond | 30 | 13 | 29 | 70 | J.D. McDuffie | Chevrolet | 54/500 | 560 | engine | 0 |
| 1973-04 | Rockingham | 41 | 23 | 29 | 70 | J.D. McDuffie | Chevrolet | 302/492 | 1,120 | engine | 0 |
| 1973-05 | Bristol | 30 | 15 | 21 | 70 | J.D. McDuffie | Chevrolet | 404/500 | 735 | running | 0 |
| 1973-07 | North Wilkesboro | 30 | 11 | 23 | 70 | J.D. McDuffie | Chevrolet | 215/400 | 665 | crash | 0 |
| 1973-08 | Darlington | 40 | 26 | 5 | 70 | J.D. McDuffie | Chevrolet | 344/367 | 3,685 | running | 0 |
| 1973-09 | Martinsville | 34 | 25 | 13 | 70 | J.D. McDuffie | Chevrolet | 459/500 | 950 | running | 0 |
| 1973-10 | Talladega | 60 | 31 | 18 | 70 | J.D. McDuffie | Chevrolet | 147/188 | 2,640 | oil pan | 6 |
| 1973-11 | Nashville | 28 | 13 | 9 | 70 | J.D. McDuffie | Chevrolet | 395/420 | 900 | running | 0 |
| 1973-12 | Charlotte | 40 | 20 | 21 | 70 | J.D. McDuffie | Chevrolet | 350/400 | 2,225 | running | 0 |
| 1973-13 | Dover | 40 | 27 | 19 | 70 | J.D. McDuffie | Chevrolet | 399/500 | 1,460 | engine | 0 |
| 1973-14 | College Station | 38 | 22 | 10 | 70 | J.D. McDuffie | Chevrolet | 238/250 | 2,225 | running | 0 |
| 1973-15 | Riverside | 40 | 29 | 12 | 70 | J.D. McDuffie | Chevrolet | 142/153 | 1,475 | running | 0 |
| 1973-16 | Michigan | 40 | 26 | 10 | 70 | J.D. McDuffie | Chevrolet | 192/200 | 1,650 | running | 0 |
| 1973-17 | Daytona | 40 | 17 | 40 | 70 | J.D. McDuffie | Chevrolet | 2/160 | 1,270 | engine | 0 |
| 1973-18 | Bristol | 30 | 19 | 5 | 70 | J.D. McDuffie | Chevrolet | 473/500 | 1,435 | running | 0 |
| 1973-19 | Atlanta | 40 | 10 | 7 | 70 | J.D. McDuffie | Chevrolet | 317/328 | 3,750 | running | 0 |
| 1973-20 | Talladega | 50 | 23 | 11 | 70 | J.D. McDuffie | Chevrolet | 183/188 | 2,765 | running | 5 |
| 1973-21 | Nashville | 33 | 16 | 18 | 70 | J.D. McDuffie | Chevrolet | 346/420 | 745 | running | 0 |
| 1973-22 | Darlington | 40 | 32 | 10 | 70 | J.D. McDuffie | Chevrolet | 348/367 | 3,180 | running | 0 |
| 1973-23 | Richmond | 34 | 13 | 29 | 70 | J.D. McDuffie | Chevrolet | 4/500 | 665 | crash | 0 |
| 1973-24 | Dover | 40 | 13 | 5 | 70 | J.D. McDuffie | Chevrolet | 484/500 | 3,275 | running | 0 |
| 1973-25 | North Wilkesboro | 30 | 15 | 10 | 70 | J.D. McDuffie | Chevrolet | 382/400 | 1,020 | running | 0 |
| 1973-26 | Martinsville | 36 | 16 | 10 | 70 | J.D. McDuffie | Chevrolet | 463/480 | 1,450 | running | 0 |
| 1973-27 | Charlotte | 41 | 37 | 29 | 70 | J.D. McDuffie | Chevrolet | 113/334 | 1,853 | engine | 0 |
| 1973-28 | Rockingham | 43 | 39 | 20 | 70 | J.D. McDuffie | Chevrolet | 455/492 | 1,225 | running | 0 |
| 1974-01 | Riverside | 35 | 18 | 22 | 70 | J.D. McDuffie | Chevrolet | 123/191 | 1,625 | engine | 0 |
| 1974-02 | Daytona | 40 | 30 | 28 | 70 | J.D. McDuffie | Chevrolet | 108/200 | 4,850 | engine | 0 |
| 1974-03 | Richmond | 28 | 10 | 7 | 70 | J.D. McDuffie | Chevrolet | 483/500 | 1,405 | running | 0 |
| 1974-04 | Rockingham | 40 | 20 | 13 | 70 | J.D. McDuffie | Chevrolet | 471/492 | 1,620 | running | 0 |
| 1974-05 | Bristol | 30 | 22 | 12 | 70 | J.D. McDuffie | Chevrolet | 438/500 | 805 | engine | 0 |
| 1974-06 | Atlanta | 36 | 21 | 15 | 70 | J.D. McDuffie | Chevrolet | 317/328 | 2,650 | running | 0 |
| 1974-07 | Darlington | 40 | 22 | 30 | 70 | J.D. McDuffie | Chevrolet | 83/330 | 1,620 | engine | 0 |
| 1974-08 | North Wilkesboro | 30 | 8 | 8 | 70 | J.D. McDuffie | Chevrolet | 387/400 | 850 | running | 0 |
| 1974-09 | Martinsville | 30 | 15 | 9 | 70 | J.D. McDuffie | Chevrolet | 483/500 | 1,550 | running | 0 |
| 1974-10 | Talladega | 50 | 43 | 19 | 70 | J.D. McDuffie | Chevrolet | 182/188 | 2,200 | running | 1 |
| 1974-11 | Nashville | 28 | 14 | 7 | 70 | J.D. McDuffie | Chevrolet | 411/420 | 1,210 | running | 0 |
| 1974-12 | Dover | 35 | 24 | 11 | 70 | J.D. McDuffie | Chevrolet | 473/500 | 1,895 | running | 0 |
| 1974-13 | Charlotte | 40 | 32 | 10 | 70 | J.D. McDuffie | Chevrolet | 383/400 | 3,625 | running | 0 |
| 1974-14 | Riverside | 35 | 21 | 17 | 70 | J.D. McDuffie | Chevrolet | 105/138 | 1,505 | running | 0 |
| 1974-15 | Michigan | 36 | 34 | 17 | 70 | J.D. McDuffie | Chevrolet | 135/180 | 1,530 | engine | 0 |
| 1974-16 | Daytona | 40 | 27 | 11 | 70 | J.D. McDuffie | Chevrolet | 153/160 | 1,910 | running | 0 |
| 1974-17 | Bristol | 30 | 23 | 11 | 70 | J.D. McDuffie | Chevrolet | 469/500 | 820 | engine | 0 |
| 1974-18 | Nashville | 30 | 9 | 27 | 70 | J.D. McDuffie | Chevrolet | 37/420 | 710 | crash | 0 |
| 1974-19 | Atlanta | 36 | 24 | 19 | 70 | J.D. McDuffie | Chevrolet | 280/328 | 1,525 | engine | 0 |
| 1974-20 | Pocono | 35 | 27 | 25 | 70 | J.D. McDuffie | Chevrolet | 70/192 | 1,295 | engine | 0 |
| 1974-21 | Talladega | 48 | 25 | 24 | 70 | J.D. McDuffie | Chevrolet | 162/188 | 2,085 | overheating | 0 |
| 1974-22 | Michigan | 36 | 18 | 13 | 70 | J.D. McDuffie | Chevrolet | 193/200 | 1,750 | running | 0 |
| 1974-23 | Darlington | 40 | 23 | 17 | 70 | J.D. McDuffie | Chevrolet | 216/367 | 2,200 | spindle | 0 |
| 1974-24 | Richmond | 27 | 18 | 8 | 70 | J.D. McDuffie | Chevrolet | 473/500 | 1,235 | running | 0 |
| 1974-25 | Dover | 40 | 28 | 12 | 70 | J.D. McDuffie | Chevrolet | 469/500 | 1,700 | running | 0 |
| 1974-26 | North Wilkesboro | 30 | 9 | 23 | 70 | J.D. McDuffie | Chevrolet | 63/400 | 740 | transmission | 0 |
| 1974-27 | Martinsville | 30 | 18 | 16 | 70 | J.D. McDuffie | Chevrolet | 249/500 | 890 | crash | 0 |
| 1974-28 | Charlotte | 42 | 40 | 21 | 70 | J.D. McDuffie | Chevrolet | 229/334 | 1,873 | engine | 0 |
| 1974-29 | Rockingham | 36 | 34 | 19 | 70 | J.D. McDuffie | Chevrolet | 447/492 | 1,575 | engine | 0 |
| 1974-30 | Ontario | 40 | 25 | 10 | 70 | J.D. McDuffie | Chevrolet | 191/200 | 2,325 | running | 0 |
| 1975-01 | Riverside | 35 | 28 | 14 | 70 | J.D. McDuffie | Chevrolet | 142/191 | 2,135 | running | 0 |
| 1975-02 | Daytona | 40 | 14 | 33 | 70 | J.D. McDuffie | Chevrolet | 3/200 | 2,355 | crash | 0 |
| 1975-03 | Richmond | 22 | 19 | 20 | 70 | Dick May | Chevrolet | 66/500 | 855 | oil leak | 0 |
| 1975-05 | Bristol | 23 | 12 | 16 | 70 | Henley Gray | Chevrolet | 394/500 | 890 | running | 0 |
| 1975-06 | Atlanta | 36 | 34 | 19 | 70 | Henley Gray | Chevrolet | 288/328 | 2,100 | running | 0 |
| 1975-07 | North Wilkesboro | 28 | 14 | 13 | 70 | J.D. McDuffie | Chevrolet | 377/400 | 880 | running | 0 |
| 1975-08 | Darlington | 36 | 18 | 11 | 70 | J.D. McDuffie | Chevrolet | 341/367 | 2,680 | running | 0 |
| 1975-09 | Martinsville | 30 | 16 | 28 | 70 | J.D. McDuffie | Chevrolet | 4/500 | 770 | engine | 0 |
| 1975-10 | Talladega | 50 | 27 | 29 | 70 | J.D. McDuffie | Chevrolet | 64/188 | 1,905 | transmission | 0 |
| 1975-11 | Nashville | 28 | 5 | 11 | 70 | J.D. McDuffie | Chevrolet | 393/420 | 950 | running | 0 |
| 1975-12 | Dover | 35 | 16 | 18 | 70 | J.D. McDuffie | Chevrolet | 421/500 | 1,550 | engine | 0 |
| 1975-13 | Charlotte | 40 | 27 | 11 | 70 | J.D. McDuffie | Chevrolet | 377/400 | 3,590 | running | 0 |
| 1975-14 | Riverside | 35 | 28 | 6 | 70 | J.D. McDuffie | Chevrolet | 145/153 | 3,035 | running | 0 |
| 1975-15 | Michigan | 36 | 22 | 18 | 70 | J.D. McDuffie | Chevrolet | 188/200 | 1,480 | running | 0 |
| 1975-16 | Daytona | 40 | 30 | 22 | 70 | J.D. McDuffie | Chevrolet | 140/160 | 1,635 | running | 0 |
| 1975-17 | Nashville | 30 | 7 | 9 | 70 | J.D. McDuffie | Chevrolet | 395/420 | 1,185 | running | 0 |
| 1975-18 | Pocono | 35 | 15 | 27 | 70 | J.D. McDuffie | Chevrolet | 73/200 | 1,255 | engine | 0 |
| 1975-19 | Talladega | 50 | 27 | 45 | 70 | J.D. McDuffie | Chevrolet | 6/188 | 1,145 | crash | 0 |
| 1975-20 | Michigan | 36 | 22 | 28 | 70 | J.D. McDuffie | Chevrolet | 132/200 | 1,300 | engine | 0 |
| 1975-21 | Darlington | 40 | 19 | 33 | 70 | J.D. McDuffie | Chevrolet | 88/367 | 1,700 | engine | 0 |
| 1975-22 | Dover | 37 | 28 | 8 | 70 | J.D. McDuffie | Chevrolet | 482/500 | 2,475 | running | 0 |
| 1975-23 | North Wilkesboro | 30 | 12 | 7 | 70 | J.D. McDuffie | Chevrolet | 392/400 | 1,210 | running | 0 |
| 1975-24 | Martinsville | 30 | 22 | 30 | 70 | J.D. McDuffie | Chevrolet | 18/500 | 780 | engine | 0 |
| 1975-25 | Charlotte | 42 | 35 | 9 | 70 | J.D. McDuffie | Chevrolet | 313/334 | 3,655 | running | 0 |
| 1975-26 | Richmond | 28 | 7 | 5 | 70 | J.D. McDuffie | Chevrolet | 483/500 | 1,785 | running | 0 |
| 1975-27 | Rockingham | 37 | 24 | 20 | 70 | J.D. McDuffie | Chevrolet | 430/492 | 1,555 | running | 0 |
| 1975-28 | Bristol | 30 | 13 | 30 | 70 | J.D. McDuffie | Chevrolet | 7/500 | 685 | engine | 0 |
| 1975-29 | Atlanta | 36 | 34 | 18 | 70 | J.D. McDuffie | Chevrolet | 304/328 | 1,775 | running | 0 |
| 1975-30 | Ontario | 40 | 17 | 21 | 70 | J.D. McDuffie | Chevrolet | 114/200 | 1,800 | engine | 0 |
| 1976-01 | Riverside | 35 | 31 | 19 | 70 | J.D. McDuffie | Chevrolet | 135/191 | 1,445 | running | 0 |
| 1976-02 | Daytona | 42 | 41 | 7 | 70 | J.D. McDuffie | Chevrolet | 193/200 | 11,260 | running | 0 |
| 1976-03 | Rockingham | 36 | 33 | 10 | 70 | J.D. McDuffie | Chevrolet | 461/492 | 2,940 | running | 0 |
| 1976-04 | Richmond | 30 | 9 | 21 | 70 | J.D. McDuffie | Chevrolet | 355/400 | 800 | engine | 0 |
| 1976-05 | Bristol | 30 | 16 | 10 | 70 | J.D. McDuffie | Chevrolet | 372/400 | 1,250 | running | 0 |
| 1976-06 | Atlanta | 36 | 14 | 27 | 70 | J.D. McDuffie | Chevrolet | 198/328 | 1,650 | engine | 0 |
| 1976-07 | North Wilkesboro | 28 | 12 | 5 | 70 | J.D. McDuffie | Chevrolet | 393/400 | 2,100 | running | 0 |
| 1976-08 | Darlington | 36 | 12 | 27 | 70 | J.D. McDuffie | Chevrolet | 151/367 | 1,350 | engine | 0 |
| 1976-09 | Martinsville | 30 | 15 | 23 | 70 | J.D. McDuffie | Chevrolet | 182/500 | 870 | engine | 0 |
| 1976-10 | Talladega | 40 | 37 | 27 | 70 | J.D. McDuffie | Chevrolet | 123/188 | 2,135 | engine | 0 |
| 1976-11 | Nashville | 30 | 13 | 20 | 70 | J.D. McDuffie | Chevrolet | 176/420 | 650 | transmission | 0 |
| 1976-12 | Dover | 39 | 31 | 15 | 70 | J.D. McDuffie | Chevrolet | 456/500 | 1,935 | running | 0 |
| 1976-13 | Charlotte | 40 | 29 | 25 | 70 | J.D. McDuffie | Chevrolet | 303/400 | 2,235 | running | 0 |
| 1976-14 | Riverside | 35 | 18 | 14 | 70 | J.D. McDuffie | Chevrolet | 89/95 | 1,715 | running | 0 |
| 1976-15 | Michigan | 36 | 26 | 16 | 70 | J.D. McDuffie | Chevrolet | 184/200 | 1,540 | running | 0 |
| 1976-16 | Daytona | 40 | 23 | 24 | 70 | J.D. McDuffie | Chevrolet | 122/160 | 2,390 | engine | 0 |
| 1976-17 | Nashville | 30 | 15 | 13 | 70 | J.D. McDuffie | Chevrolet | 388/420 | 1,390 | running | 0 |
| 1976-18 | Pocono | 40 | 23 | 21 | 70 | J.D. McDuffie | Chevrolet | 180/200 | 1,515 | running | 0 |
| 1976-19 | Talladega | 40 | 31 | 7 | 70 | J.D. McDuffie | Chevrolet | 182/188 | 5,120 | running | 0 |
| 1976-20 | Michigan | 36 | 27 | 8 | 70 | J.D. McDuffie | Chevrolet | 194/200 | 4,335 | running | 0 |
| 1976-21 | Bristol | 30 | 21 | 23 | 70 | J.D. McDuffie | Chevrolet | 154/400 | 745 | engine | 0 |
| 1976-22 | Darlington | 40 | 33 | 25 | 70 | J.D. McDuffie | Chevrolet | 272/367 | 2,370 | engine | 0 |
| 1976-23 | Richmond | 30 | 14 | 11 | 70 | J.D. McDuffie | Chevrolet | 379/400 | 1,925 | running | 0 |
| 1976-24 | Dover | 37 | 22 | 7 | 70 | J.D. McDuffie | Chevrolet | 482/500 | 3,965 | running | 0 |
| 1976-25 | Martinsville | 30 | 22 | 21 | 70 | J.D. McDuffie | Chevrolet | 247/340 | 1,090 | running | 0 |
| 1976-26 | North Wilkesboro | 30 | 20 | 7 | 70 | J.D. McDuffie | Chevrolet | 386/400 | 1,995 | running | 0 |
| 1976-27 | Charlotte | 40 | 37 | 23 | 70 | J.D. McDuffie | Chevrolet | 306/334 | 2,485 | running | 0 |
| 1976-29 | Atlanta | 36 | 35 | 13 | 70 | J.D. McDuffie | Chevrolet | 311/328 | 3,300 | running | 0 |
| 1976-30 | Ontario | 40 | 30 | 11 | 70 | J.D. McDuffie | Chevrolet | 191/200 | 3,670 | running | 0 |
| 1977-01 | Riverside | 35 | 34 | 29 | 70 | J.D. McDuffie | Chevrolet | 25/119 | 1,345 | engine | 0 |
| 1977-02 | Daytona | 42 | 24 | 13 | 70 | J.D. McDuffie | Chevrolet | 184/200 | 8,115 | engine | 0 |
| 1977-03 | Richmond | 30 | 10 | 16 | 70 | J.D. McDuffie | Chevrolet | 234/245 | 1,480 | running | 0 |
| 1977-04 | Rockingham | 36 | 21 | 15 | 70 | J.D. McDuffie | Chevrolet | 446/492 | 2,710 | running | 0 |
| 1977-05 | Atlanta | 42 | 21 | 31 | 70 | J.D. McDuffie | Chevrolet | 208/328 | 1,335 | engine | 0 |
| 1977-06 | North Wilkesboro | 29 | 14 | 22 | 70 | J.D. McDuffie | Chevrolet | 275/400 | 700 | engine | 0 |
| 1977-07 | Darlington | 36 | 22 | 19 | 70 | J.D. McDuffie | Chevrolet | 305/367 | 2,860 | crash | 0 |
| 1977-08 | Bristol | 30 | 12 | 20 | 70 | J.D. McDuffie | Chevrolet | 420/500 | 1,160 | fatigue | 0 |
| 1977-09 | Martinsville | 30 | 20 | 9 | 70 | J.D. McDuffie | Chevrolet | 369/384 | 2,930 | running | 0 |
| 1977-10 | Talladega | 41 | 16 | 26 | 70 | J.D. McDuffie | Chevrolet | 117/188 | 2,515 | engine | 1 |
| 1977-11 | Nashville | 30 | 11 | 24 | 70 | J.D. McDuffie | Chevrolet | 176/420 | 565 | engine | 0 |
| 1977-12 | Dover | 36 | 12 | 13 | 70 | J.D. McDuffie | Chevrolet | 480/500 | 2,865 | running | 0 |
| 1977-13 | Charlotte | 40 | 29 | 25 | 70 | J.D. McDuffie | Chevrolet | 347/400 | 2,910 | running | 0 |
| 1977-14 | Riverside | 35 | 20 | 33 | 70 | J.D. McDuffie | Chevrolet | 9/95 | 1,100 | oil pump | 0 |
| 1977-15 | Michigan | 36 | 27 | 20 | 70 | J.D. McDuffie | Chevrolet | 189/200 | 2,680 | running | 0 |
| 1977-16 | Daytona | 41 | 22 | 24 | 70 | J.D. McDuffie | Chevrolet | 143/160 | 2,350 | engine | 0 |
| 1977-17 | Nashville | 30 | 14 | 8 | 70 | J.D. McDuffie | Chevrolet | 408/420 | 1,985 | running | 0 |
| 1977-18 | Pocono | 35 | 23 | 14 | 70 | J.D. McDuffie | Chevrolet | 192/200 | 2,640 | running | 0 |
| 1977-19 | Talladega | 40 | 22 | 8 | 70 | J.D. McDuffie | Chevrolet | 183/188 | 5,390 | running | 0 |
| 1977-20 | Michigan | 36 | 20 | 20 | 70 | J.D. McDuffie | Chevrolet | 186/200 | 1,960 | running | 0 |
| 1977-21 | Bristol | 29 | 12 | 18 | 70 | J.D. McDuffie | Chevrolet | 215/400 | 990 | engine | 0 |
| 1977-22 | Darlington | 40 | 19 | 12 | 70 | J.D. McDuffie | Chevrolet | 350/367 | 4,810 | running | 0 |
| 1977-23 | Richmond | 28 | 10 | 13 | 70 | J.D. McDuffie | Chevrolet | 379/400 | 1,630 | running | 0 |
| 1977-24 | Dover | 40 | 13 | 12 | 70 | J.D. McDuffie | Chevrolet | 482/500 | 3,020 | running | 0 |
| 1977-25 | Martinsville | 30 | 12 | 17 | 70 | J.D. McDuffie | Chevrolet | 400/500 | 1,275 | running | 0 |
| 1977-26 | North Wilkesboro | 26 | 11 | 23 | 70 | J.D. McDuffie | Chevrolet | 286/400 | 680 | rear end | 0 |
| 1977-27 | Charlotte | 41 | 29 | 15 | 70 | J.D. McDuffie | Chevrolet | 323/334 | 5,145 | running | 0 |
| 1977-28 | Rockingham | 36 | 20 | 10 | 70 | J.D. McDuffie | Chevrolet | 473/492 | 3,820 | running | 0 |
| 1977-29 | Atlanta | 40 | 18 | 27 | 70 | J.D. McDuffie | Chevrolet | 258/268 | 1,475 | running | 0 |
| 1977-30 | Ontario | 42 | 26 | 20 | 70 | J.D. McDuffie | Chevrolet | 190/200 | 2,510 | running | 0 |
| 1978-01 | Riverside | 35 | 21 | 28 | 70 | J.D. McDuffie | Chevrolet | 45/119 | 1,455 | rear end | 0 |
| 1978-02 | Daytona | 41 | 22 | 30 | 70 | J.D. McDuffie | Chevrolet | 132/200 | 2,880 | running | 0 |
| 1978-03 | Richmond | 30 | 13 | 27 | 70 | J.D. McDuffie | Chevrolet | 154/400 | 665 | engine | 0 |
| 1978-04 | Rockingham | 36 | 18 | 25 | 70 | J.D. McDuffie | Chevrolet | 266/492 | 1,550 | engine | 0 |
| 1978-05 | Atlanta | 40 | 35 | 16 | 70 | J.D. McDuffie | Chevrolet | 312/328 | 3,455 | running | 0 |
| 1978-06 | Bristol | 29 | 14 | 28 | 70 | J.D. McDuffie | Chevrolet | 16/500 | 770 | rear end | 0 |
| 1978-07 | Darlington | 36 | 24 | 11 | 70 | J.D. McDuffie | Chevrolet | 342/367 | 4,030 | running | 0 |
| 1978-08 | North Wilkesboro | 29 | 14 | 7 | 70 | J.D. McDuffie | Chevrolet | 390/400 | 2,200 | running | 0 |
| 1978-09 | Martinsville | 30 | 10 | 26 | 70 | J.D. McDuffie | Chevrolet | 140/500 | 840 | ignition | 0 |
| 1978-10 | Talladega | 41 | 40 | 40 | 70 | J.D. McDuffie | Chevrolet | 5/188 | 1,705 | engine | 0 |
| 1978-11 | Dover | 40 | 12 | 34 | 70 | J.D. McDuffie | Chevrolet | 35/500 | 1,010 | oil pan | 0 |
| 1978-12 | Charlotte | 40 | 30 | 22 | 70 | J.D. McDuffie | Chevrolet | 369/400 | 4,375 | running | 0 |
| 1978-13 | Nashville | 30 | 11 | 12 | 70 | J.D. McDuffie | Chevrolet | 388/420 | 1,285 | running | 0 |
| 1978-14 | Riverside | 35 | 19 | 24 | 70 | J.D. McDuffie | Chevrolet | 72/95 | 1,325 | transmission | 0 |
| 1978-15 | Michigan | 36 | 28 | 13 | 70 | J.D. McDuffie | Chevrolet | 191/200 | 3,000 | running | 0 |
| 1978-16 | Daytona | 40 | 20 | 12 | 70 | J.D. McDuffie | Chevrolet | 153/160 | 4,500 | running | 0 |
| 1978-17 | Nashville | 29 | 4 | 5 | 70 | J.D. McDuffie | Chevrolet | 413/420 | 2,445 | running | 1 |
| 1978-18 | Pocono | 40 | 18 | 10 | 70 | J.D. McDuffie | Chevrolet | 194/200 | 3,455 | running | 0 |
| 1978-19 | Talladega | 41 | 23 | 17 | 70 | J.D. McDuffie | Chevrolet | 172/188 | 3,635 | running | 0 |
| 1978-20 | Michigan | 36 | 9 | 7 | 70 | J.D. McDuffie | Chevrolet | 197/200 | 4,330 | running | 3 |
| 1978-21 | Bristol | 30 | 5 | 8 | 70 | J.D. McDuffie | Chevrolet | 481/500 | 2,220 | running | 0 |
| 1978-22 | Darlington | 40 | 24 | 20 | 70 | J.D. McDuffie | Chevrolet | 281/367 | 2,480 | engine | 0 |
| 1978-23 | Richmond | 30 | 12 | 8 | 70 | J.D. McDuffie | Chevrolet | 391/400 | 2,320 | running | 0 |
| 1978-24 | Dover | 37 | 1 | 33 | 70 | J.D. McDuffie | Chevrolet | 80/500 | 1,520 | engine | 10 |
| 1978-25 | Martinsville | 30 | 11 | 22 | 70 | J.D. McDuffie | Chevrolet | 409/500 | 860 | brakes | 0 |
| 1978-26 | North Wilkesboro | 27 | 14 | 11 | 70 | J.D. McDuffie | Chevrolet | 385/400 | 1,820 | running | 0 |
| 1978-27 | Charlotte | 40 | 22 | 11 | 70 | J.D. McDuffie | Chevrolet | 324/334 | 5,760 | running | 0 |
| 1978-28 | Rockingham | 36 | 20 | 12 | 70 | J.D. McDuffie | Chevrolet | 468/492 | 3,240 | running | 1 |
| 1978-29 | Atlanta | 39 | 16 | 14 | 70 | J.D. McDuffie | Chevrolet | 317/328 | 2,910 | running | 0 |
| 1978-30 | Ontario | 40 | 22 | 26 | 70 | J.D. McDuffie | Chevrolet | 178/200 | 1,885 | running | 0 |
| 1979-01 | Riverside | 35 | 20 | 17 | 70 | J.D. McDuffie | Chevrolet | 109/119 | 2,720 | running | 0 |
| 1979-02 | Daytona | 41 | 29 | 25 | 70 | J.D. McDuffie | Oldsmobile | 116/200 | 4,470 | engine | 0 |
| 1979-03 | Rockingham | 35 | 12 | 25 | 70 | J.D. McDuffie | Chevrolet | 123/492 | 1,175 | crash | 0 |
| 1979-04 | Richmond | 30 | 8 | 7 | 70 | J.D. McDuffie | Chevrolet | 397/400 | 2,900 | running | 2 |
| 1979-05 | Atlanta | 40 | 32 | 17 | 70 | J.D. McDuffie | Oldsmobile | 314/328 | 3,640 | running | 0 |
| 1979-06 | North Wilkesboro | 30 | 14 | 6 | 70 | J.D. McDuffie | Chevrolet | 399/400 | 2,785 | running | 2 |
| 1979-07 | Bristol | 30 | 7 | 26 | 70 | J.D. McDuffie | Chevrolet | 197/500 | 1,000 | rear end | 0 |
| 1979-08 | Darlington | 36 | 26 | 19 | 70 | J.D. McDuffie | Chevrolet | 338/367 | 3,070 | running | 0 |
| 1979-09 | Martinsville | 30 | 10 | 10 | 70 | J.D. McDuffie | Chevrolet | 493/500 | 3,080 | running | 0 |
| 1979-10 | Talladega | 39 | 26 | 31 | 70 | J.D. McDuffie | Chevrolet | 30/188 | 2,415 | engine | 0 |
| 1979-11 | Nashville | 28 | 9 | 5 | 70 | J.D. McDuffie | Chevrolet | 418/420 | 3,080 | running | 111 |
| 1979-12 | Dover | 31 | 8 | 13 | 70 | J.D. McDuffie | Chevrolet | 481/500 | 3,015 | crash | 3 |
| 1979-13 | Charlotte | 41 | 31 | 13 | 70 | J.D. McDuffie | Chevrolet | 389/400 | 6,865 | running | 0 |
| 1979-14 | College Station | 34 | 21 | 14 | 70 | J.D. McDuffie | Chevrolet | 186/200 | 3,810 | running | 0 |
| 1979-15 | Riverside | 35 | 13 | 7 | 70 | J.D. McDuffie | Chevrolet | 91/95 | 4,580 | running | 0 |
| 1979-16 | Michigan | 36 | 22 | 14 | 70 | J.D. McDuffie | Chevrolet | 196/200 | 4,060 | running | 0 |
| 1979-17 | Daytona | 41 | 32 | 21 | 70 | J.D. McDuffie | Chevrolet | 146/160 | 2,855 | running | 0 |
| 1979-18 | Nashville | 30 | 10 | 8 | 70 | J.D. McDuffie | Chevrolet | 404/420 | 1,930 | running | 0 |
| 1979-19 | Pocono | 39 | 13 | 13 | 70 | J.D. McDuffie | Chevrolet | 196/200 | 3,305 | running | 0 |
| 1979-20 | Talladega | 41 | 31 | 18 | 70 | J.D. McDuffie | Chevrolet | 163/188 | 3,920 | running | 0 |
| 1979-21 | Michigan | 36 | 15 | 9 | 70 | J.D. McDuffie | Chevrolet | 197/200 | 4,670 | running | 0 |
| 1979-22 | Bristol | 30 | 18 | 26 | 70 | J.D. McDuffie | Chevrolet | 104/500 | 770 | engine | 0 |
| 1979-23 | Darlington | 40 | 38 | 18 | 70 | J.D. McDuffie | Chevrolet | 341/367 | 4,530 | running | 0 |
| 1979-24 | Richmond | 26 | 16 | 14 | 70 | J.D. McDuffie | Chevrolet | 381/400 | 1,940 | running | 0 |
| 1979-25 | Dover | 36 | 20 | 27 | 70 | J.D. McDuffie | Chevrolet | 358/500 | 1,125 | engine | 0 |
| 1979-26 | Martinsville | 30 | 17 | 21 | 70 | J.D. McDuffie | Chevrolet | 347/500 | 1,140 | engine | 0 |
| 1979-27 | Charlotte | 40 | 38 | 22 | 70 | J.D. McDuffie | Chevrolet | 309/334 | 2,890 | running | 0 |
| 1979-28 | North Wilkesboro | 29 | 10 | 28 | 70 | J.D. McDuffie | Chevrolet | 14/400 | 695 | crash | 0 |
| 1979-29 | Rockingham | 37 | 37 | 25 | 70 | J.D. McDuffie | Chevrolet | 354/492 | 1,615 | rear end | 0 |
| 1979-30 | Atlanta | 41 | 18 | 12 | 70 | J.D. McDuffie | Chevrolet | 319/328 | 3,915 | running | 0 |
| 1979-31 | Ontario | 37 | 20 | 31 | 70 | J.D. McDuffie | Chevrolet | 104/200 | 1,920 | engine | 0 |
| 1980-01 | Riverside | 37 | 17 | 15 | 70 | J.D. McDuffie | Chevrolet | 113/119 | 3,050 | running | 0 |
| 1980-03 | Richmond | 31 | 7 | 9 | 70 | J.D. McDuffie | Chevrolet | 380/400 | 2,610 | running | 0 |
| 1980-04 | Rockingham | 38 | 10 | 32 | 70 | J.D. McDuffie | Chevrolet | 112/492 | 1,090 | engine | 0 |
| 1980-05 | Atlanta | 41 | 32 | 9 | 70 | J.D. McDuffie | Chevrolet | 324/328 | 5,580 | running | 0 |
| 1980-06 | Bristol | 32 | 28 | 13 | 70 | J.D. McDuffie | Chevrolet | 477/500 | 2,850 | running | 0 |
| 1980-07 | Darlington | 36 | 21 | 22 | 70 | J.D. McDuffie | Chevrolet | 155/189 | 2,695 | running | 0 |
| 1980-08 | North Wilkesboro | 31 | 12 | 30 | 70 | J.D. McDuffie | Chevrolet | 88/400 | 750 | cam | 0 |
| 1980-09 | Martinsville | 32 | 19 | 30 | 70 | J.D. McDuffie | Chevrolet | 73/500 | 850 | engine | 0 |
| 1980-10 | Talladega | 42 | 21 | 41 | 70 | J.D. McDuffie | Buick | 19/188 | 1,755 | engine | 0 |
| 1980-11 | Nashville | 30 | 14 | 20 | 70 | J.D. McDuffie | Chevrolet | 376/420 | 1,215 | running | 0 |
| 1980-12 | Dover | 34 | 21 | 33 | 70 | J.D. McDuffie | Chevrolet | 26/500 | 1,020 | engine | 0 |
| 1980-14 | College Station | 31 | 15 | 29 | 70 | J.D. McDuffie | Chevrolet | 51/200 | 1,650 | engine | 0 |
| 1980-15 | Riverside | 36 | 18 | 9 | 70 | J.D. McDuffie | Chevrolet | 93/95 | 3,960 | running | 0 |
| 1980-16 | Michigan | 37 | 21 | 15 | 70 | J.D. McDuffie | Chevrolet | 195/200 | 4,025 | running | 0 |
| 1980-17 | Daytona | 40 | 27 | 23 | 70 | J.D. McDuffie | Buick | 150/160 | 2,935 | running | 0 |
| 1980-18 | Nashville | 30 | 12 | 11 | 70 | J.D. McDuffie | Chevrolet | 408/420 | 2,735 | running | 0 |
| 1980-19 | Pocono | 40 | 30 | 36 | 70 | J.D. McDuffie | Chevrolet | 26/200 | 1,430 | engine | 0 |
| 1980-20 | Talladega | 41 | 27 | 25 | 70 | J.D. McDuffie | Buick | 120/188 | 3,255 | engine | 0 |
| 1980-21 | Michigan | 37 | 37 | 20 | 70 | J.D. McDuffie | Chevrolet | 193/200 | 3,085 | running | 0 |
| 1980-22 | Bristol | 30 | 19 | 11 | 70 | J.D. McDuffie | Chevrolet | 479/500 | 3,130 | running | 0 |
| 1980-23 | Darlington | 41 | 40 | 18 | 70 | J.D. McDuffie | Chevrolet | 351/367 | 4,710 | running | 0 |
| 1980-24 | Richmond | 29 | 28 | 29 | 70 | J.D. McDuffie | Chevrolet | 44/400 | 815 | cylinder head | 0 |
| 1980-25 | Dover | 40 | 25 | 38 | 70 | J.D. McDuffie | Chevrolet | 65/500 | 970 | engine | 0 |
| 1980-26 | North Wilkesboro | 30 | 17 | 24 | 70 | J.D. McDuffie | Chevrolet | 200/400 | 895 | valve | 0 |
| 1980-27 | Martinsville | 31 | 23 | 26 | 70 | J.D. McDuffie | Chevrolet | 135/500 | 890 | engine | 0 |
| 1980-28 | Charlotte | 41 | 41 | 20 | 70 | J.D. McDuffie | Chevrolet | 318/334 | 4,735 | running | 0 |
| 1980-29 | Rockingham | 36 | 29 | 21 | 70 | J.D. McDuffie | Chevrolet | 295/492 | 1,850 | engine | 0 |
| 1980-30 | Atlanta | 40 | 30 | 17 | 70 | J.D. McDuffie | Chevrolet | 289/328 | 2,615 | running | 0 |
| 1980-31 | Ontario | 42 | 31 | 14 | 70 | J.D. McDuffie | Chevrolet | 194/200 | 3,845 | running | 0 |
| 1981-01 | Riverside | 36 | 20 | 23 | 70 | J.D. McDuffie | Chevrolet | 84/119 | 2,310 | crash | 0 |
| 1981-02 | Daytona | 42 | 41 | 24 | 70 | J.D. McDuffie | Pontiac | 169/200 | 6,205 | running | 0 |
| 1981-03 | Richmond | 30 | 10 | 10 | 70 | J.D. McDuffie | Pontiac | 395/400 | 3,240 | running | 0 |
| 1981-04 | Rockingham | 37 | 19 | 33 | 70 | J.D. McDuffie | Pontiac | 188/492 | 1,805 | transmission | 0 |
| 1981-05 | Atlanta | 42 | 31 | 11 | 70 | J.D. McDuffie | Pontiac | 321/328 | 5,380 | running | 0 |
| 1981-06 | Bristol | 31 | 22 | 22 | 70 | J.D. McDuffie | Pontiac | 377/500 | 925 | valve | 0 |
| 1981-07 | North Wilkesboro | 31 | 29 | 16 | 70 | J.D. McDuffie | Pontiac | 389/400 | 2,545 | running | 0 |
| 1981-08 | Darlington | 36 | 32 | 16 | 70 | J.D. McDuffie | Pontiac | 348/367 | 4,025 | running | 0 |
| 1981-09 | Martinsville | 31 | 30 | 30 | 70 | J.D. McDuffie | Pontiac | 17/500 | 850 | engine | 0 |
| 1981-10 | Talladega | 40 | 37 | 22 | 70 | J.D. McDuffie | Pontiac | 121/188 | 3,705 | running | 0 |
| 1981-11 | Nashville | 27 | 23 | 16 | 70 | J.D. McDuffie | Pontiac | 400/420 | 1,940 | running | 0 |
| 1981-12 | Dover | 32 | 28 | 23 | 70 | J.D. McDuffie | Pontiac | 161/500 | 2,235 | engine | 0 |
| 1981-13 | Charlotte | 42 | 33 | 13 | 70 | J.D. McDuffie | Pontiac | 384/400 | 7,515 | running | 0 |
| 1981-14 | College Station | 34 | 25 | 11 | 70 | J.D. McDuffie | Pontiac | 191/200 | 4,470 | running | 0 |
| 1981-15 | Riverside | 36 | 19 | 12 | 70 | J.D. McDuffie | Pontiac | 93/95 | 3,450 | running | 0 |
| 1981-16 | Michigan | 37 | 37 | 22 | 70 | J.D. McDuffie | Pontiac | 193/200 | 3,015 | running | 0 |
| 1981-17 | Daytona | 42 | 40 | 12 | 70 | J.D. McDuffie | Pontiac | 159/160 | 6,495 | running | 7 |
| 1981-18 | Nashville | 30 | 21 | 20 | 70 | J.D. McDuffie | Pontiac | 400/420 | 1,720 | running | 0 |
| 1981-19 | Pocono | 35 | 25 | 18 | 70 | J.D. McDuffie | Pontiac | 193/200 | 3,220 | running | 0 |
| 1981-21 | Michigan | 36 | 25 | 16 | 70 | J.D. McDuffie | Pontiac | 199/200 | 3,960 | running | 0 |
| 1981-22 | Bristol | 30 | 23 | 13 | 70 | J.D. McDuffie | Pontiac | 479/500 | 2,875 | running | 0 |
| 1981-23 | Darlington | 40 | 34 | 21 | 70 | J.D. McDuffie | Pontiac | 351/367 | 4,715 | running | 0 |
| 1981-25 | Dover | 34 | 26 | 28 | 70 | J.D. McDuffie | Pontiac | 256/500 | 1,250 | engine | 0 |
| 1981-27 | North Wilkesboro | 30 | 21 | 12 | 70 | J.D. McDuffie | Pontiac | 378/400 | 2,580 | running | 0 |
| 1981-28 | Charlotte | 41 | 40 | 17 | 70 | J.D. McDuffie | Pontiac | 322/334 | 5,835 | running | 0 |
| 1981-29 | Rockingham | 37 | 30 | 30 | 70 | J.D. McDuffie | Pontiac | 165/492 | 2,130 | engine | 0 |
| 1981-30 | Atlanta | 40 | 37 | 23 | 70 | J.D. McDuffie | Pontiac | 259/328 | 3,035 | water pump | 0 |
| 1981-31 | Riverside | 40 | 29 | 11 | 70 | J.D. McDuffie | Pontiac | 118/119 | 4,320 | running | 1 |
| 1982-01 | Daytona | 42 | 33 | 13 | 70 | J.D. McDuffie | Pontiac | 193/200 | 15,235 | running | 0 |
| 1982-02 | Richmond | 32 | 27 | 23 | 70 | J.D. McDuffie | Pontiac | 241/250 | 2,095 | running | 0 |
| 1982-03 | Bristol | 30 | 25 | 19 | 70 | J.D. McDuffie | Pontiac | 434/500 | 2,410 | running | 0 |
| 1982-04 | Atlanta | 40 | 35 | 38 | 70 | J.D. McDuffie | Pontiac | 50/287 | 3,010 | engine | 0 |
| 1982-05 | Rockingham | 34 | 25 | 10 | 70 | J.D. McDuffie | Pontiac | 468/492 | 5,200 | running | 0 |
| 1982-06 | Darlington | 37 | 26 | 36 | 70 | J.D. McDuffie | Pontiac | 9/367 | 1,150 | crash | 0 |
| 1982-07 | North Wilkesboro | 30 | 24 | 20 | 70 | J.D. McDuffie | Pontiac | 383/400 | 2,060 | running | 0 |
| 1982-08 | Martinsville | 31 | 31 | 16 | 70 | J.D. McDuffie | Pontiac | 351/500 | 2,740 | engine | 0 |
| 1982-09 | Talladega | 40 | 38 | 18 | 70 | J.D. McDuffie | Pontiac | 177/188 | 4,930 | running | 0 |
| 1982-10 | Nashville | 30 | 28 | 18 | 70 | J.D. McDuffie | Pontiac | 394/420 | 2,110 | running | 0 |
| 1982-11 | Dover | 32 | 28 | 27 | 70 | J.D. McDuffie | Pontiac | 88/500 | 1,750 | engine | 0 |
| 1982-12 | Charlotte | 42 | 41 | 33 | 70 | J.D. McDuffie | Pontiac | 202/400 | 3,340 | oil leak | 0 |
| 1982-13 | Pocono | 37 | 20 | 33 | 70 | J.D. McDuffie | Pontiac | 48/200 | 2,000 | transmission | 0 |
| 1982-14 | Riverside | 36 | 27 | 25 | 70 | J.D. McDuffie | Pontiac | 71/95 | 1,925 | oil leak | 0 |
| 1982-15 | Michigan | 37 | 32 | 37 | 70 | J.D. McDuffie | Pontiac | 9/200 | 2,010 | engine | 0 |
| 1982-16 | Daytona | 40 | 23 | 11 | 70 | J.D. McDuffie | Pontiac | 156/160 | 7,555 | running | 0 |
| 1982-17 | Nashville | 28 | 27 | 25 | 70 | J.D. McDuffie | Pontiac | 200/420 | 1,110 | engine | 0 |
| 1982-18 | Pocono | 36 | 27 | 16 | 70 | J.D. McDuffie | Pontiac | 185/200 | 4,200 | running | 0 |
| 1982-19 | Talladega | 40 | 26 | 22 | 70 | J.D. McDuffie | Pontiac | 179/188 | 4,445 | running | 0 |
| 1982-20 | Michigan | 38 | 21 | 16 | 70 | J.D. McDuffie | Pontiac | 193/200 | 5,175 | running | 0 |
| 1982-21 | Bristol | 30 | 27 | 22 | 70 | J.D. McDuffie | Pontiac | 463/500 | 1,925 | running | 0 |
| 1982-22 | Darlington | 40 | 36 | 16 | 70 | J.D. McDuffie | Pontiac | 350/367 | 6,135 | running | 0 |
| 1982-23 | Richmond | 31 | 28 | 30 | 70 | J.D. McDuffie | Pontiac | 49/400 | 1,700 | oil leak | 0 |
| 1982-24 | Dover | 35 | 28 | 13 | 70 | J.D. McDuffie | Pontiac | 475/500 | 4,295 | running | 0 |
| 1982-25 | North Wilkesboro | 30 | 29 | 30 | 70 | J.D. McDuffie | Pontiac | 9/400 | 1,125 | engine | 0 |
| 1982-26 | Charlotte | 40 | 40 | 18 | 70 | J.D. McDuffie | Pontiac | 288/334 | 5,890 | engine | 0 |
| 1982-28 | Rockingham | 35 | 27 | 22 | 70 | J.D. McDuffie | Pontiac | 335/492 | 3,160 | crash | 0 |
| 1982-29 | Atlanta | 40 | 37 | 30 | 70 | J.D. McDuffie | Pontiac | 162/328 | 1,825 | engine | 0 |
| 1982-30 | Riverside | 42 | 14 | 18 | 70 | J.D. McDuffie | Buick | 111/119 | 3,540 | running | 1 |
| 1983-01 | Daytona | 42 | 37 | 29 | 70 | J.D. McDuffie | Pontiac | 132/200 | 7,375 | engine | 0 |
| 1983-02 | Richmond | 32 | 29 | 25 | 70 | J.D. McDuffie | Pontiac | 298/400 | 1,425 | running | 0 |
| 1983-03 | Rockingham | 35 | 30 | 30 | 70 | J.D. McDuffie | Pontiac | 157/492 | 2,145 | engine | 0 |
| 1983-05 | Darlington | 36 | 30 | 17 | 70 | J.D. McDuffie | Pontiac | 320/367 | 4,490 | running | 0 |
| 1983-09 | Nashville | 29 | 26 | 18 | 70 | J.D. McDuffie | Pontiac | 404/420 | 2,025 | running | 0 |
| 1983-10 | Dover | 36 | 28 | 23 | 70 | J.D. McDuffie | Pontiac | 329/500 | 3,080 | engine | 0 |
| 1983-11 | Bristol | 28 | 26 | 24 | 70 | J.D. McDuffie | Pontiac | 450/500 | 1,155 | running | 0 |
| 1983-12 | Charlotte | 41 | 39 | 26 | 70 | J.D. McDuffie | Pontiac | 344/400 | 4,135 | running | 0 |
| 1983-13 | Riverside | 37 | 27 | 24 | 70 | J.D. McDuffie | Pontiac | 74/95 | 2,710 | rear end | 0 |
| 1983-14 | Pocono | 38 | 27 | 19 | 70 | J.D. McDuffie | Pontiac | 190/200 | 4,440 | running | 0 |
| 1983-15 | Michigan | 37 | 30 | 34 | 70 | J.D. McDuffie | Pontiac | 70/200 | 2,220 | engine | 0 |
| 1983-17 | Nashville | 30 | 24 | 17 | 70 | J.D. McDuffie | Pontiac | 399/420 | 2,250 | running | 0 |
| 1983-18 | Pocono | 40 | 39 | 25 | 70 | J.D. McDuffie | Pontiac | 183/200 | 4,410 | running | 0 |
| 1983-19 | Talladega | 40 | 38 | 23 | 70 | J.D. McDuffie | Pontiac | 144/188 | 4,325 | running | 0 |
| 1983-20 | Michigan | 37 | 32 | 32 | 70 | J.D. McDuffie | Pontiac | 164/200 | 2,875 | overheating | 0 |
| 1983-21 | Bristol | 29 | 26 | 25 | 70 | J.D. McDuffie | Pontiac | 198/419 | 1,275 | running | 0 |
| 1983-22 | Darlington | 41 | 40 | 37 | 70 | J.D. McDuffie | Pontiac | 54/367 | 2,250 | engine | 0 |
| 1983-23 | Richmond | 30 | 22 | 11 | 70 | J.D. McDuffie | Pontiac | 383/400 | 3,950 | running | 0 |
| 1983-24 | Dover | 36 | 35 | 36 | 70 | J.D. McDuffie | Pontiac | 79/500 | 1,780 | engine | 0 |
| 1983-25 | Martinsville | 29 | 14 | 13 | 70 | J.D. McDuffie | Pontiac | 474/500 | 4,125 | running | 0 |
| 1983-26 | North Wilkesboro | 30 | 26 | 26 | 70 | J.D. McDuffie | Pontiac | 280/400 | 1,825 | rear end | 0 |
| 1983-28 | Rockingham | 36 | 34 | 14 | 70 | J.D. McDuffie | Pontiac | 455/492 | 3,975 | running | 0 |
| 1983-29 | Atlanta | 40 | 35 | 32 | 70 | J.D. McDuffie | Pontiac | 66/328 | 2,005 | engine | 0 |
| 1983-30 | Riverside | 42 | 38 | 30 | 70 | J.D. McDuffie | Pontiac | 66/119 | 2,150 | rocker arm | 0 |
| 1984-02 | Richmond | 32 | 23 | 23 | 70 | J.D. McDuffie | Pontiac | 388/400 | 3,215 | running | 0 |
| 1984-03 | Rockingham | 36 | 29 | 16 | 70 | J.D. McDuffie | Pontiac | 463/492 | 5,110 | running | 0 |
| 1984-05 | Bristol | 30 | 28 | 21 | 70 | J.D. McDuffie | Pontiac | 465/500 | 2,520 | running | 0 |
| 1984-06 | North Wilkesboro | 31 | 24 | 24 | 70 | J.D. McDuffie | Pontiac | 347/400 | 2,630 | engine | 0 |
| 1984-10 | Nashville | 30 | 29 | 26 | 70 | J.D. McDuffie | Pontiac | 347/420 | 2,050 | running | 0 |
| 1984-11 | Dover | 36 | 30 | 33 | 70 | J.D. McDuffie | Pontiac | 196/500 | 2,380 | engine | 0 |
| 1984-14 | Pocono | 40 | 32 | 39 | 70 | J.D. McDuffie | Pontiac | 5/200 | 2,675 | crash | 0 |
| 1984-18 | Pocono | 40 | 37 | 31 | 70 | J.D. McDuffie | Pontiac | 94/200 | 3,835 | engine | 0 |
| 1984-21 | Bristol | 30 | 20 | 12 | 70 | J.D. McDuffie | Pontiac | 470/500 | 4,070 | running | 0 |
| 1984-22 | Darlington | 41 | 33 | 24 | 70 | J.D. McDuffie | Pontiac | 228/367 | 4,960 | engine | 0 |
| 1984-23 | Richmond | 30 | 24 | 28 | 70 | J.D. McDuffie | Pontiac | 199/400 | 2,420 | engine | 0 |
| 1984-24 | Dover | 40 | 38 | 16 | 70 | J.D. McDuffie | Pontiac | 477/500 | 5,445 | running | 0 |
| 1984-25 | Martinsville | 31 | 24 | 25 | 70 | J.D. McDuffie | Pontiac | 113/500 | 2,150 | valve | 0 |
| 1984-27 | North Wilkesboro | 30 | 26 | 30 | 70 | J.D. McDuffie | Pontiac | 21/400 | 1,800 | axle | 0 |
| 1984-28 | Rockingham | 40 | 24 | 36 | 70 | J.D. McDuffie | Pontiac | 157/492 | 2,385 | engine | 0 |
| 1984-30 | Riverside | 40 | 27 | 30 | 70 | J.D. McDuffie | Pontiac | 94/119 | 2,675 | transmission | 0 |
| 1985-02 | Richmond | 30 | 27 | 20 | 70 | J.D. McDuffie | Pontiac | 349/400 | 1,480 | oil pressure | 0 |
| 1985-03 | Rockingham | 40 | 28 | 28 | 70 | J.D. McDuffie | Pontiac | 283/492 | 1,595 | oil pump | 0 |
| 1985-04 | Atlanta | 41 | 38 | 23 | 70 | J.D. McDuffie | Chevrolet | 262/328 | 5,025 | rear end | 0 |
| 1985-05 | Bristol | 30 | 29 | 27 | 70 | J.D. McDuffie | Pontiac | 58/500 | 2,520 | crash | 0 |
| 1985-06 | Darlington | 40 | 30 | 39 | 70 | J.D. McDuffie | Pontiac | 19/367 | 2,615 | engine | 0 |
| 1985-07 | North Wilkesboro | 30 | 22 | 24 | 70 | J.D. McDuffie | Pontiac | 382/400 | 2,605 | running | 0 |
| 1985-08 | Martinsville | 30 | 28 | 24 | 70 | J.D. McDuffie | Pontiac | 393/500 | 2,855 | rear end | 0 |
| 1985-09 | Talladega | 39 | 38 | 15 | 70 | J.D. McDuffie | Pontiac | 174/188 | 8,265 | running | 0 |
| 1985-10 | Dover | 32 | 26 | 31 | 70 | J.D. McDuffie | Ford | 115/500 | 3,385 | valve | 0 |
| 1985-11 | Charlotte | 42 | 38 | 39 | 70 | J.D. McDuffie | Pontiac | 21/400 | 2,900 | ignition | 0 |
| 1985-12 | Riverside | 42 | 28 | 42 | 70 | J.D. McDuffie | Pontiac | 3/95 | 2,240 | valve | 0 |
| 1985-13 | Pocono | 40 | 38 | 25 | 70 | J.D. McDuffie | Pontiac | 174/200 | 4,380 | running | 0 |
| 1985-14 | Michigan | 37 | 26 | 31 | 70 | J.D. McDuffie | Pontiac | 113/200 | 3,855 | oil pressure | 0 |
| 1985-15 | Daytona | 41 | 41 | 20 | 70 | J.D. McDuffie | Chevrolet | 150/160 | 6,425 | running | 0 |
| 1985-16 | Pocono | 40 | 39 | 40 | 70 | J.D. McDuffie | Ford | 10/200 | 2,675 | engine | 0 |
| 1985-17 | Talladega | 42 | 42 | 28 | 70 | J.D. McDuffie | Chevrolet | 140/188 | 4,840 | piston | 0 |
| 1985-18 | Michigan | 40 | 33 | 29 | 70 | J.D. McDuffie | Pontiac | 137/200 | 3,765 | engine | 0 |
| 1985-21 | Richmond | 30 | 30 | 26 | 70 | J.D. McDuffie | Pontiac | 372/400 | 2,615 | oil pump | 0 |
| 1985-22 | Dover | 39 | 32 | 28 | 70 | J.D. McDuffie | Ford | 203/500 | 3,565 | engine | 0 |
| 1985-23 | Martinsville | 31 | 27 | 15 | 70 | J.D. McDuffie | Pontiac | 482/500 | 4,220 | running | 0 |
| 1985-26 | Rockingham | 40 | 36 | 26 | 70 | J.D. McDuffie | Chevrolet | 408/492 | 3,910 | running | 0 |
| 1985-27 | Atlanta | 42 | 40 | 27 | 70 | J.D. McDuffie | Pontiac | 305/328 | 3,810 | running | 0 |
| 1985-28 | Riverside | 41 | 23 | 25 | 70 | J.D. McDuffie | Pontiac | 114/119 | 3,155 | running | 0 |
| 1986-02 | Richmond | 31 | 26 | 16 | 70 | J.D. McDuffie | Pontiac | 387/400 | 4,325 | running | 0 |
| 1986-03 | Rockingham | 40 | 38 | 31 | 70 | J.D. McDuffie | Pontiac | 170/492 | 4,300 | engine | 0 |
| 1986-06 | Darlington | 40 | 38 | 17 | 70 | J.D. McDuffie | Pontiac | 319/367 | 6,585 | running | 0 |
| 1986-07 | North Wilkesboro | 30 | 26 | 28 | 70 | J.D. McDuffie | Pontiac | 251/400 | 3,030 | crash | 0 |
| 1986-08 | Martinsville | 31 | 29 | 18 | 70 | J.D. McDuffie | Pontiac | 429/500 | 4,035 | running | 0 |
| 1986-10 | Dover | 37 | 23 | 20 | 70 | J.D. McDuffie | Pontiac | 383/500 | 5,565 | engine | 0 |
| 1986-12 | Riverside | 42 | 20 | 14 | 70 | J.D. McDuffie | Pontiac | 92/95 | 5,755 | running | 0 |
| 1986-13 | Pocono | 40 | 31 | 16 | 70 | J.D. McDuffie | Pontiac | 196/200 | 6,505 | running | 0 |
| 1986-14 | Michigan | 41 | 39 | 35 | 70 | J.D. McDuffie | Pontiac | 83/200 | 4,510 | valve | 1 |
| 1986-16 | Pocono | 40 | 33 | 19 | 70 | J.D. McDuffie | Pontiac | 145/150 | 5,980 | running | 0 |
| 1986-18 | Watkins Glen | 36 | 33 | 25 | 70 | J.D. McDuffie | Pontiac | 85/90 | 5,490 | running | 0 |
| 1986-19 | Michigan | 41 | 40 | 31 | 70 | J.D. McDuffie | Pontiac | 129/200 | 4,190 | engine | 0 |
| 1986-20 | Bristol | 30 | 29 | 24 | 70 | J.D. McDuffie | Pontiac | 228/500 | 3,280 | rear end | 0 |
| 1986-21 | Darlington | 40 | 33 | 34 | 70 | J.D. McDuffie | Pontiac | 85/367 | 4,565 | tie rod | 0 |
| 1986-22 | Richmond | 29 | 26 | 28 | 70 | J.D. McDuffie | Pontiac | 216/400 | 3,145 | rear end | 0 |
| 1986-23 | Dover | 40 | 35 | 37 | 70 | J.D. McDuffie | Pontiac | 115/500 | 2,875 | engine | 0 |
| 1986-24 | Martinsville | 30 | 27 | 20 | 70 | J.D. McDuffie | Pontiac | 481/500 | 4,205 | running | 0 |
| 1986-25 | North Wilkesboro | 30 | 30 | 26 | 70 | J.D. McDuffie | Pontiac | 193/400 | 3,140 | ignition | 0 |
| 1986-26 | Charlotte | 42 | 42 | 20 | 70 | J.D. McDuffie | Pontiac | 322/334 | 7,955 | running | 0 |
| 1986-27 | Rockingham | 40 | 39 | 21 | 70 | J.D. McDuffie | Pontiac | 441/492 | 5,180 | running | 0 |
| 1987-01 | Daytona | 42 | 38 | 25 | 70 | J.D. McDuffie | Pontiac | 191/200 | 11,810 | running | 0 |
| 1987-02 | Rockingham | 42 | 29 | 20 | 70 | J.D. McDuffie | Pontiac | 474/492 | 3,920 | running | 0 |
| 1987-03 | Richmond | 32 | 31 | 16 | 70 | J.D. McDuffie | Pontiac | 389/400 | 1,700 | running | 0 |
| 1987-04 | Atlanta | 41 | 41 | 40 | 70 | J.D. McDuffie | Pontiac | 16/328 | 1,510 | engine | 0 |
| 1987-05 | Darlington | 41 | 38 | 41 | 70 | J.D. McDuffie | Pontiac | 1/367 | 1,180 | engine | 0 |
| 1987-06 | North Wilkesboro | 32 | 32 | 32 | 70 | J.D. McDuffie | Pontiac | 29/400 | 1,085 | engine | 0 |
| 1987-07 | Bristol | 30 | 26 | 21 | 70 | J.D. McDuffie | Pontiac | 406/500 | 1,260 | engine | 0 |
| 1987-08 | Martinsville | 31 | 27 | 31 | 70 | J.D. McDuffie | Pontiac | 21/500 | 1,160 | engine | 0 |
| 1987-11 | Dover | 39 | 38 | 23 | 70 | J.D. McDuffie | Pontiac | 373/500 | 1,850 | engine | 0 |
| 1987-12 | Pocono | 40 | 40 | 28 | 70 | J.D. McDuffie | Pontiac | 174/200 | 2,110 | running | 0 |
| 1987-13 | Riverside | 41 | 35 | 37 | 70 | J.D. McDuffie | Pontiac | 17/95 | 900 | oil leak | 0 |
| 1987-17 | Talladega | 40 | 35 | 25 | 70 | J.D. McDuffie | Pontiac | 177/188 | 3,120 | running | 0 |
| 1987-18 | Watkins Glen | 40 | 31 | 24 | 70 | J.D. McDuffie | Pontiac | 87/90 | 2,225 | running | 0 |
| 1987-19 | Michigan | 40 | 35 | 22 | 70 | J.D. McDuffie | Pontiac | 195/200 | 2,560 | running | 0 |
| 1987-23 | Dover | 40 | 38 | 28 | 70 | J.D. McDuffie | Pontiac | 335/500 | 1,600 | engine | 0 |
| 1987-24 | Martinsville | 31 | 27 | 17 | 70 | J.D. McDuffie | Pontiac | 458/500 | 1,580 | running | 0 |
| 1987-27 | Rockingham | 42 | 35 | 40 | 70 | J.D. McDuffie | Pontiac | 116/492 | 1,235 | engine | 0 |
| 1988-11 | Dover | 40 | 39 | 25 | 70 | J.D. McDuffie | Pontiac | 476/500 | 2,150 | running | 1 |
| 1988-18 | Watkins Glen | 40 | 35 | 36 | 70 | J.D. McDuffie | Pontiac | 40/90 | 1,600 | engine | 0 |
| 1989-01 | Daytona | 42 | 29 | 24 | 70 | J.D. McDuffie | Pontiac | 193/200 | 13,640 | running | 0 |
| 1989-02 | Rockingham | 42 | 40 | 37 | 70 | J.D. McDuffie | Pontiac | 384/492 | 1,900 | oil pressure | 0 |
| 1989-05 | Darlington | 41 | 40 | 31 | 70 | J.D. McDuffie | Pontiac | 339/367 | 1,935 | running | 0 |
| 1989-18 | Watkins Glen | 40 | 36 | 35 | 70 | J.D. McDuffie | Pontiac | 28/90 | 1,755 | engine | 0 |
| 1989-21 | Darlington | 39 | 36 | 36 | 70 | J.D. McDuffie | Pontiac | 90/367 | 2,350 | engine | 0 |
| 1989-22 | Richmond | 36 | 32 | 31 | 70 | J.D. McDuffie | Pontiac | 110/400 | 2,365 | overheating | 0 |
| 1989-23 | Dover | 40 | 39 | 34 | 70 | J.D. McDuffie | Pontiac | 237/500 | 1,900 | engine | 0 |
| 1990-03 | Rockingham | 38 | 36 | 35 | 70 | J.D. McDuffie | Pontiac | 171/492 | 2,825 | handling | 0 |
| 1990-05 | Darlington | 40 | 37 | 35 | 70 | J.D. McDuffie | Pontiac | 82/367 | 2,800 | head gasket | 0 |
| 1990-06 | Bristol | 32 | 30 | 27 | 70 | J.D. McDuffie | Pontiac | 290/500 | 3,210 | engine | 0 |
| 1990-11 | Dover | 36 | 34 | 25 | 70 | J.D. McDuffie | Pontiac | 411/500 | 3,450 | valve | 0 |
| 1990-13 | Pocono | 40 | 40 | 28 | 70 | J.D. McDuffie | Pontiac | 188/200 | 3,725 | running | 0 |
| 1990-14 | Michigan | 40 | 37 | 37 | 70 | J.D. McDuffie | Pontiac | 57/200 | 4,285 | rocker arm | 0 |
| 1990-18 | Watkins Glen | 40 | 38 | 22 | 70 | J.D. McDuffie | Pontiac | 84/90 | 3,225 | running | 0 |
| 1990-23 | Dover | 40 | 39 | 40 | 70 | J.D. McDuffie | Pontiac | 18/500 | 2,650 | transmission | 0 |
| 1991-05 | Darlington | 40 | 40 | 30 | 70 | J.D. McDuffie | Pontiac | 282/367 | 3,325 | running | 0 |
| 1991-11 | Dover | 35 | 35 | 31 | 70 | J.D. McDuffie | Pontiac | 245/500 | 3,950 | crash | 0 |
| 1991-13 | Pocono | 37 | 36 | 34 | 70 | J.D. McDuffie | Pontiac | 49/200 | 3,925 | handling | 0 |
| 1991-16 | Pocono | 40 | 40 | 25 | 70 | J.D. McDuffie | Pontiac | 152/179 | 4,300 | running | 0 |
| 1991-18 | Watkins Glen | 40 | 35 | 40 | 70 | J.D. McDuffie | Pontiac | 4/90 | 2,595 | crash | 0 |
| 2006-12 | Charlotte | 43 | 14 | 24 | 70 | Johnny Sauter | Chevrolet | 398/400 | 85,750 | running | 0 |
| 2007-01 | Daytona | 43 | 41 | 16 | 70 | Johnny Sauter | Chevrolet | 202/202 | 262,675 | running | 0 |
| 2007-02 | Fontana | 43 | 31 | 18 | 70 | Johnny Sauter | Chevrolet | 249/250 | 87,450 | running | 0 |
| 2007-03 | Las Vegas | 43 | 32 | 39 | 70 | Johnny Sauter | Chevrolet | 147/267 | 79,225 | running | 0 |
| 2007-04 | Atlanta | 43 | 26 | 29 | 70 | Johnny Sauter | Chevrolet | 323/325 | 67,700 | running | 0 |
| 2007-06 | Martinsville | 43 | 10 | 31 | 70 | Johnny Sauter | Chevrolet | 493/500 | 67,050 | running | 0 |
| 2007-07 | Fort Worth | 43 | 35 | 22 | 70 | Johnny Sauter | Chevrolet | 332/334 | 102,325 | running | 0 |
| 2007-08 | Phoenix | 43 | 42 | 9 | 70 | Johnny Sauter | Chevrolet | 312/312 | 79,925 | running | 0 |
| 2007-09 | Talladega | 43 | 21 | 30 | 70 | Johnny Sauter | Chevrolet | 190/192 | 79,325 | crash | 0 |
| 2007-10 | Richmond | 43 | 17 | 36 | 70 | Johnny Sauter | Chevrolet | 370/400 | 64,225 | running | 0 |
| 2007-11 | Darlington | 43 | 19 | 29 | 70 | Johnny Sauter | Chevrolet | 361/367 | 69,750 | running | 0 |
| 2007-12 | Charlotte | 43 | 40 | 27 | 70 | Johnny Sauter | Chevrolet | 376/400 | 85,650 | running | 0 |
| 2007-13 | Dover | 43 | 42 | 32 | 70 | Johnny Sauter | Chevrolet | 394/400 | 75,550 | running | 1 |
| 2007-14 | Pocono | 43 | 40 | 40 | 70 | Johnny Sauter | Chevrolet | 103/106 | 61,325 | running | 0 |
| 2007-15 | Michigan | 43 | 28 | 26 | 70 | Johnny Sauter | Chevrolet | 198/200 | 75,200 | running | 0 |
| 2007-16 | Sonoma | 43 | 34 | 31 | 70 | Johnny Sauter | Chevrolet | 110/110 | 72,475 | running | 0 |
| 2007-17 | Loudon | 43 | 4 | 14 | 70 | Johnny Sauter | Chevrolet | 300/300 | 80,500 | running | 0 |
| 2007-18 | Daytona | 43 | 35 | 18 | 70 | Johnny Sauter | Chevrolet | 160/160 | 95,100 | running | 0 |
| 2007-19 | Chicago | 43 | 18 | 22 | 70 | Johnny Sauter | Chevrolet | 266/267 | 87,950 | running | 0 |
| 2007-20 | Indianapolis | 43 | 39 | 37 | 70 | Johnny Sauter | Chevrolet | 100/160 | 137,975 | running | 0 |
| 2007-21 | Pocono | 43 | 41 | 36 | 70 | Johnny Sauter | Chevrolet | 198/200 | 61,900 | running | 0 |
| 2007-22 | Watkins Glen | 43 | 34 | 23 | 70 | Johnny Sauter | Chevrolet | 90/90 | 65,475 | running | 0 |
| 2007-23 | Michigan | 43 | 41 | 29 | 70 | Johnny Sauter | Chevrolet | 202/203 | 73,775 | running | 0 |
| 2007-24 | Bristol | 43 | 38 | 42 | 70 | Johnny Sauter | Chevrolet | 280/500 | 83,155 | running | 0 |
| 2007-25 | Fontana | 43 | 41 | 30 | 70 | Johnny Sauter | Chevrolet | 248/250 | 89,850 | running | 2 |
| 2007-26 | Richmond | 43 | 35 | 5 | 70 | Johnny Sauter | Chevrolet | 400/400 | 114,150 | running | 0 |
| 2007-27 | Loudon | 43 | 36 | 28 | 70 | Johnny Sauter | Chevrolet | 298/300 | 74,150 | running | 0 |
| 2007-28 | Dover | 43 | 25 | 42 | 70 | Johnny Sauter | Chevrolet | 11/400 | 64,730 | crash | 0 |
| 2007-29 | Kansas | 43 | 30 | 23 | 70 | Johnny Sauter | Chevrolet | 210/210 | 88,000 | running | 0 |
| 2007-30 | Talladega | 43 | 39 | 12 | 70 | Johnny Sauter | Chevrolet | 188/188 | 98,750 | running | 2 |
| 2007-31 | Charlotte | 43 | 23 | 23 | 70 | Johnny Sauter | Chevrolet | 336/337 | 67,950 | running | 0 |
| 2007-32 | Martinsville | 43 | 13 | 29 | 70 | Johnny Sauter | Chevrolet | 503/506 | 64,775 | running | 0 |
| 2007-33 | Atlanta | 43 | 35 | 32 | 70 | Johnny Sauter | Chevrolet | 321/329 | 84,200 | running | 0 |
| 2007-34 | Fort Worth | 43 | 42 | 27 | 70 | Johnny Sauter | Chevrolet | 330/334 | 100,025 | running | 0 |
| 2007-35 | Phoenix | 43 | 5 | 15 | 70 | Johnny Sauter | Chevrolet | 312/312 | 72,850 | running | 0 |
| 2007-36 | Homestead | 43 | 22 | 41 | 70 | Johnny Sauter | Chevrolet | 157/267 | 61,345 | crash | 0 |
| 2008-01 | Daytona | 43 | 33 | 23 | 70 | Jeremy Mayfield | Chevrolet | 200/200 | 271,220 | running | 0 |
| 2008-02 | Fontana | 43 | 33 | 39 | 70 | Jeremy Mayfield | Chevrolet | 231/250 | 80,480 | running | 0 |
| 2008-03 | Las Vegas | 43 | 23 | 16 | 70 | Jeremy Mayfield | Chevrolet | 267/267 | 99,175 | running | 0 |
| 2008-04 | Atlanta | 43 | 36 | 39 | 70 | Jeremy Mayfield | Chevrolet | 318/325 | 68,850 | running | 0 |
| 2008-05 | Bristol | 43 | 33 | 30 | 70 | Jeremy Mayfield | Chevrolet | 500/506 | 86,000 | running | 0 |
| 2008-06 | Martinsville | 43 | 31 | 32 | 70 | Jeremy Mayfield | Chevrolet | 495/500 | 68,625 | running | 0 |
| 2008-07 | Fort Worth | 43 | 39 | 38 | 70 | Jeremy Mayfield | Chevrolet | 329/339 | 82,625 | running | 0 |
| 2008-08 | Phoenix | 43 | 42 | 37 | 70 | Johnny Sauter | Chevrolet | 271/312 | 63,975 | running | 0 |
| 2008-09 | Talladega | 43 | 3 | 42 | 70 | Ken Schrader | Chevrolet | 141/188 | 78,130 | engine | 1 |
| 2008-10 | Richmond | 43 | 37 | 33 | 70 | Johnny Sauter | Chevrolet | 374/410 | 67,325 | running | 0 |
| 2008-12 | Charlotte | 43 | 43 | 35 | 70 | Johnny Sauter | Chevrolet | 395/400 | 85,500 | running | 0 |
| 2008-14 | Pocono | 43 | 26 | 40 | 70 | Jason Leffler | Chevrolet | 140/200 | 63,025 | crash | 0 |
| 2008-17 | Loudon | 43 | 37 | 37 | 70 | Johnny Sauter | Chevrolet | 280/284 | 70,175 | running | 0 |
| 2008-18 | Daytona | 43 | 5 | 28 | 70 | Johnny Sauter | Chevrolet | 162/162 | 85,450 | running | 0 |
| 2008-19 | Chicago | 43 | 43 | 27 | 70 | Jason Leffler | Chevrolet | 267/267 | 82,725 | running | 0 |
| 2008-20 | Indianapolis | 43 | 21 | 32 | 70 | Jason Leffler | Chevrolet | 160/160 | 140,700 | running | 0 |
| 2008-21 | Pocono | 43 | 18 | 18 | 70 | Tony Raines | Chevrolet | 200/200 | 66,975 | running | 0 |
| 2008-22 | Watkins Glen | 43 | 42 | 43 | 70 | Max Papis | Chevrolet | 81/90 | 60,373 | crash | 0 |
| 2008-23 | Michigan | 43 | 30 | 31 | 70 | Tony Raines | Chevrolet | 199/200 | 72,300 | running | 0 |
| 2008-24 | Bristol | 43 | 20 | 17 | 70 | Tony Raines | Chevrolet | 499/500 | 94,200 | running | 0 |
| 2008-26 | Richmond | 43 | 43 | 41 | 70 | Johnny Sauter | Chevrolet | 397/400 | 65,930 | running | 0 |
| 2008-27 | Loudon | 43 | 43 | 20 | 70 | Johnny Sauter | Chevrolet | 300/300 | 81,200 | running | 0 |
| 2008-28 | Dover | 43 | 13 | 28 | 70 | Tony Raines | Chevrolet | 396/400 | 68,825 | running | 0 |
| 2008-29 | Kansas | 43 | 25 | 23 | 70 | Tony Raines | Chevrolet | 266/267 | 86,100 | running | 0 |
| 2008-30 | Talladega | 43 | 8 | 34 | 70 | Tony Raines | Chevrolet | 148/190 | 71,825 | crash | 0 |
| 2008-31 | Charlotte | 43 | 43 | 40 | 70 | Tony Raines | Chevrolet | 203/334 | 63,300 | crash | 0 |
| 2008-32 | Martinsville | 43 | 43 | 31 | 70 | Tony Raines | Chevrolet | 496/504 | 68,275 | running | 0 |
| 2008-33 | Atlanta | 43 | 43 | 32 | 70 | Tony Raines | Chevrolet | 322/325 | 82,400 | running | 0 |
| 2008-35 | Phoenix | 43 | 43 | 37 | 70 | Johnny Sauter | Chevrolet | 274/313 | 64,700 | crash | 0 |
| 2008-36 | Homestead | 43 | 32 | 37 | 70 | Tony Raines | Chevrolet | 264/267 | 63,200 | running | 0 |
| 2009-34 | Fort Worth | 43 | 23 | 43 | 70 | Mike Skinner | Chevrolet | 6/334 | 97,218 | brakes | 0 |
