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The 1971 National 500 was a NASCAR Winston Cup Series racing event that took place on October 10, 1971, at Charlotte Motor Speedway in Concord, North Carolina. Most of the vehicles used in the race had a rating of 427 cubic inches. The race car drivers still had to commute to the races using the same stock cars that competed in a typical weekend's race through a policy of homologation (and under their own power). This policy was in effect until roughly 1975. By 1980, NASCAR had completely stopped tracking the year model of all the vehicles and most teams did not take stock cars to the track under their own power anymore. ==Summary== There were 42 American-born drivers on this 238-lap race. It was supposed to last for 334 laps but the race had to end due to rain and darkness.〔 Bobby Allison managed to defeat Bobby Isaac by five seconds in front of 52000 people.〔 The race lasted more than two and a half hours with six caution periods lasting for 37 laps.〔〔 Charlie Glotzbach rightfully earned the pole position with a qualifying speed of while the winner of the race would have an average speed of .〔〔 Jim Vandiver would end up getting the last-place finish on lap 10 due to a single-car collision into the wall.〔〔〔 Country music singing sensation and part-time NASCAR driver Marty Robbins would finish in 37th place in his 1969 Dodge Charger machine after starting in 15th. LeeRoy Yarbrough ran a limited schedule during the 1971 season as Ford's factory were pulling out of NASCAR production at that time. This would force NASCAR teams using the Ford manufacturer to create vehicles by themselves with their in-house staff. Injuries sustained while practicing for that year's Indianapolis 500 contributed to the limited NASCAR schedule. He managed to shake off those injuries long enough to qualify in seventh place and finish in a lowly 34th place.〔 The total purse of the race was $83,259 ($ when adjusted for inflation); Allison would earn $18,450 of the total prize winnings that were offered in the race ($ when adjusted for inflation). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1971 National 500」の詳細全文を読む スポンサード リンク
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