 Father-and-son dominated the record book claiming a total of 28 records.In August of that same year, Ab went to drive a Pontiac pace car at the Road America in Elkhart Lake, Wisconsin.Returning to his hotel from a baseball game with Pontiac executives George Bourke and Robert Emerick on August 9, Jenkins noticed a billboard with a farm tractor on it and started telling the men about his 1935 wild ride when he suddenly grabbed his chest and died of a heart attack.