ELKHART LAKE, WI - JULY 28: Eppie Wietzes leads a Parade Lap of Road America up the hill out of Turn 5 for the Formula 5000 Race held July 28, 1974 at Elkhart Lake, Wisconsin. (Photo by Alvis Upitis/Getty Images)
ELKHART LAKE, WI - JULY 28: Eppie Wietzes leads a Parade Lap of Road America up the hill out of Turn 5 for the Formula 5000 Race held July 28, 1974 at Elkhart Lake, Wisconsin. (Photo by Alvis Upitis/Getty Images)