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CHARLOTTE, NC — May 25, 1986: Car owner D. K. Ulrich talks with Richard Petty as Petty prepares to take Ulrich's Chevrolet out for practice before the running of the Coca Cola 600 NASCAR Cup race at Charlotte Motor Speedway. Petty had crashed his own car earlier in practice and NASCAR would not allow him to use a back-up car. Ulrich then loaned Petty his car to run the race. (Photo by ISC Archives via Getty Images)

CHARLOTTE, NC — May 25, 1986:  Car owner D. K. Ulrich talks with Richard Petty as Petty prepares to take Ulrich's Chevrolet out for practice before the running of the Coca Cola 600 NASCAR Cup race at Charlotte Motor Speedway.  Petty had crashed his own car earlier in practice and NASCAR would not allow him to use a back-up car.  Ulrich then loaned Petty his car to run the race.  (Photo by ISC Archives via Getty Images)