24 Hours of Daytona

Car number 49, Don Yenko, Robert R. Johnson, Chevrolet Corvette, Car number 77, George Stone, Bruce Jennings, Mike Downs, Porsche 911 S,Car number 15, Michael Keyser, Tony Adamowicz, Bob Beasley, Porsche 911 S, Car number 54, John Fitzpatrick, Erwin Kremer, Paul Keller, Porsche 911 S,