Road America: Juan Manuel Fangio II / Drake Olson / Rocky Moran, All American Racers, Toyota 88C, leads Derek Bell / Steve Bren, Busby Racing, Porsche 962.
Juan Manuel Fangio II / Drake Olson / Rocky Moran, All American Racers, Toyota 88C, leads Derek Bell / Steve Bren, Busby Racing, Porsche 962.