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1971 Mason-Dixon 500

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NASCAR Winston Cup race number 22 of 48
Sunday, June 6, 1971 at Dover Downs International Speedway, Dover, DE
500 laps on a 1.000 mile paved track (500.000 miles)

Time of race: 4:30:40
Average speed: 123.119 mph
Pole speed: 129.486 mph
Cautions: none
Margin of victory: 1 lap +
Attendance: 25000
Lead changes: 21

Glossary    1971 NASCAR Winston Cup results   /   1971 standings

1 212   Bobby Allison Coca-Cola   (Holman-Moody Racing)'71 Ford50015720running245
22199   Fred Lorenzen STP   (Ray Nichels)'71 Plymouth4999045running85
3 143   Richard Petty Petty Enterprises'71 Plymouth4985020running30
4 371   Bobby Isaac K & K Insurance   (Nord Krauskopf)'71 Dodge4963495running53
52349   G.C. Spencer G.C. Spencer'69 Plymouth4862020running0
61648   James Hylton Hylton Engineering   (James Hylton)'71 Ford4771645running0
71164   Elmo Langley Elmo Langley'71 Ford4751495running0
8 910   Bill Champion Bill Champion'71 Ford4751395running0
92777   Charlie Roberts Charlie Roberts'70 Ford4741295running0
102830   Walter Ballard Ballard Racing   (Vic Ballard)'71 Ford4691245running0
112645   Bill Seifert Garrett Ford   (Bill Seifert)'69 Ford4601195running0
122970   J.D. McDuffie Mercury Cyclone   (J.D. McDuffie)'69 Mercury4561145running0
13327   Dean Dalton Dean Dalton'69 Ford4511095running0
143086   Bobby Mausgrover Country Lad Foods   (Neil Castles)'69 Dodge4501070running0
151025   Jabe Thomas Don Robertson'70 Plymouth4481045running0
16138   Ed Negre Ed Negre'69 Ford4271020running0
171828   Bill Hollar Earl Brooks'69 Dodge395995running0
183796   Richard Childress Tom Garn'71 Chevrolet394970running0
193840   D.K. Ulrich D.K. Ulrich'70 Ford357945engine0
201479   Frank Warren Covil Insulation of Atlanta, GA   (Frank Warren)'69 Dodge349920running0
213541   Ken Meisenhelder Ken Meisenhelder'69 Chevrolet312895oil leak0
22 411   Buddy Baker Petty Enterprises'71 Dodge253920engine22
232272   Benny Parsons L.G. DeWitt Mercury225895engine0
243626   Earl Brooks Earl Brooks'69 Ford196820clutch0
25174   John Sears J. Marvin Mills Heating & Cooling   (John Sears)'69 Dodge141795lug bolts0
26 76   Pete Hamilton American Brakeblok   (Cotton Owens)'71 Plymouth138770engine65
273434   Wendell Scott Wendell Scott'69 Ford137745engine0
28 624   Cecil Gordon Cecil Gordon'69 Mercury135720engine0
292074   Bill Shirey Bill Shirey'69 Plymouth121695quit0
303167   Dick May Ron Ronacher'69 Ford98670throttle0
311919   Henley Gray Henley Gray'69 Ford88640ignition0
323981   A.J. Cox M&G Convoy   (A.J. Cox)'69 Plymouth82615engine0
332595   Paul Tyler Paul Tyler'69 Mercury58590engine0
34 888   Ron Keselowski Roger Lubinski'70 Dodge57580engine0
353347   Raymond Williams Bill Seifert'71 Ford55575engine0
361591   Lawrence Fields Fox Turkey Farm   (Junior Fields)'71 Chevrolet31570engine0
374065   Joe Phipps Cox Auto Sales   (Joe Phipps)'69 Chevrolet29565oil leak0
382406   Neil Castles Neil Castles'70 Dodge22560fuel pump0
39 539   Friday Hassler See Rock City   (Friday Hassler)'70 Chevrolet18580engine0
401268   Larry Baumel Auto Lad   (Allan Schlauer)'69 Ford9550suspension0

Failed to qualify, withdrew, or driver changes:
Bill Dennis54McIlroy's SpeedBill DennisChevrolet
Larry Smith92Smith's GarageHarley SmithFord

Lap leader breakdown:
# Of
  Richard Petty111
  Bobby Isaac25453
  Pete Hamilton558228
  Bobby Allison83853
  Buddy Baker86883
  Pete Hamilton89902
  Bobby Allison9110212
  Pete Hamilton10313735
  Richard Petty13816427
  Buddy Baker16518319
  Richard Petty1841852
  Bobby Allison18622641
  Fred Lorenzen22727246
  Bobby Allison2732764
  Fred Lorenzen2772815
  Bobby Allison2822909
  Fred Lorenzen29131323
  Bobby Allison31437259
  Fred Lorenzen3733808
  Bobby Allison38145777
  Fred Lorenzen4584603
  Bobby Allison46150040