J.D. McDuffieWinston Cup / Nextel Cup / Sprint Cup / Monster Energy Cup / NASCAR Cup DNQs or WDs Click on the Race Number to see the complete results for that race. |
| Race | Site | Position | # | Sponsor / Owner | Car |
|---|---|---|---|---|---|
| 1966-15 | Darlington | – | 70 | J.D. McDuffie | Ford |
| 1966-47 | North Wilkesboro | – | 70 | J.D. McDuffie | Ford |
| 1969-44 | Talladega | – | 70 | N.V. Keith | Buick |
| 1969-46 | Martinsville | 47 | 70 | J.D. McDuffie | Buick |
| 1970-04 | Daytona | – | 70 | J.D. McDuffie | Buick |
| 1970-10 | Talladega | – | 70 | J.D. McDuffie | Ford |
| 1970-11 | North Wilkesboro | – | 70 | J.D. McDuffie | Buick |
| 1971-04 | Daytona | – | 70 | J.D. McDuffie | Mercury |
| 1971-40 | Darlington | – | 70 | J.D. McDuffie | Mercury |
| 1972-05 | Rockingham | – | 70 | Ned Young Realty (J.D. McDuffie) | Chevrolet |
| 1972-06 | Atlanta | – | 70 | J.D. McDuffie | Chevrolet |
| 1972-20 | Atlanta | – | 70 | J.D. McDuffie | Chevrolet |
| 1972-24 | Darlington | – | 70 | J.D. McDuffie | Chevrolet |
| 1972-29 | Charlotte | – | 70 | McDuffie Engineering (J.D. McDuffie) | Chevrolet |
| 1980-02 | Daytona | – | 70 | Bailey Excavating (J.D. McDuffie) Crew Chief: Jimmy Byrd | Buick |
| 1982-27 | Martinsville | – | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1983-06 | North Wilkesboro | – | 70 | McDuffie Racing (J.D. McDuffie) Crew Chief: Jimmy Byrd | Pontiac |
| 1983-08 | Talladega | – | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1983-27 | Charlotte | – | 70 | J.D. McDuffie Crew Chief: Jimmy Byrd | Pontiac |
| 1984-01 | Daytona | – | 70 | Wilder's / Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1984-15 | Michigan | – | 70 | Bailey Excavating (J.D. McDuffie) | Pontiac |
| 1984-17 | Nashville | – | 70 | Wilder's (J.D. McDuffie) | Pontiac |
| 1984-19 | Talladega | – | 70 | Wilder's (J.D. McDuffie) | Pontiac |
| 1984-20 | Michigan | – | 70 | Wilder's (J.D. McDuffie) | Pontiac |
| 1984-26 | Charlotte | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1984-29 | Atlanta | – | 70 | Wilder's (J.D. McDuffie) | Pontiac |
| 1985-01 | Daytona | – | 70 | Restore (J.D. McDuffie) Crew Chief: Jimmy Byrd | Chevrolet |
| 1985-19 | Bristol | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jimmy Byrd | Chevrolet |
| 1985-20 | Darlington | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jimmy Byrd | Chevrolet |
| 1985-24 | North Wilkesboro | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jimmy Byrd | Pontiac |
| 1986-01 | Daytona | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1986-05 | Bristol | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1986-09 | Talladega | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1986-11 | Charlotte | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1986-15 | Daytona | – | 70 | J.D. McDuffie Crew Chief: Jeff McDuffie | Pontiac |
| 1986-17 | Talladega | – | 70 | Winkle (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1986-28 | Atlanta | – | 70 | Winkle (J.D. McDuffie) | Pontiac |
| 1987-09 | Talladega | WD | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-10 | Charlotte | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-14 | Michigan | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-15 | Daytona | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-16 | Pocono | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-20 | Bristol | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-22 | Richmond | 31 | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-25 | North Wilkesboro | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-26 | Charlotte | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1987-29 | Atlanta | – | 70 | Rumple Furniture (J.D. McDuffie) Crew Chief: Jeff McDuffie | Pontiac |
| 1988-01 | Daytona | – | 70 | Rumple Furniture / D.L. Phillips Co. (J.D. McDuffie) | Pontiac |
| 1988-10 | Charlotte | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-13 | Pocono | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-14 | Michigan | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-16 | Pocono | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-17 | Talladega | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-19 | Michigan | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-20 | Bristol | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-22 | Richmond | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-23 | Dover | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-24 | Martinsville | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-25 | Charlotte | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-26 | North Wilkesboro | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1988-27 | Rockingham | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-03 | Atlanta | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-04 | Richmond | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-06 | Bristol | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-07 | North Wilkesboro | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-08 | Martinsville | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-09 | Talladega | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-15 | Daytona | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-16 | Pocono | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-17 | Talladega | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-19 | Michigan | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-24 | Martinsville | – | 70 | – | – |
| 1989-25 | Charlotte | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-27 | Rockingham | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1989-29 | Atlanta | – | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1990-01 | Daytona | 54 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1990-02 | Richmond | 37 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-04 | Atlanta | 43 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-07 | North Wilkesboro | 33 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1990-09 | Talladega | 41 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1990-10 | Charlotte | 44 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1990-15 | Daytona | 43 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-16 | Pocono | 40 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-17 | Talladega | 45 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-19 | Michigan | 42 | 70 | Son's Auto Supply (J.D. McDuffie) | Pontiac |
| 1990-20 | Bristol | 35 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1990-21 | Darlington | 41 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-22 | Richmond | 37 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-24 | Martinsville | 32 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-25 | North Wilkesboro | 34 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1990-26 | Charlotte | 48 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1990-27 | Rockingham | 42 | 70 | McDuffie Racing (J.D. McDuffie) | Pontiac |
| 1991-01 | Daytona | 48 | 70 | Son's Auto Supply (J.D. McDuffie) | Pontiac |
| 1991-02 | Richmond | 36 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1991-03 | Rockingham | 41 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1991-06 | Bristol | 35 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1991-07 | North Wilkesboro | 36 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1991-08 | Martinsville | 37 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1991-09 | Talladega | 43 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1991-10 | Charlotte | 43 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |
| 1991-14 | Michigan | 46 | 70 | Son's Auto Supply (J.D. McDuffie) | Pontiac |
| 1991-15 | Daytona | 42 | 70 | Rumple Furniture (J.D. McDuffie) | Pontiac |