Indianapolis 500: Bobby Unser, Penske PC-9B Cosworth, leads A. J. Foyt, Gilmore-Foyt Racing, Coyote 80 Cosworth, and Mike Mosley, All American Racers, Eagle 81 Chevrolet.
Bobby Unser, Penske PC-9B Cosworth, leads A. J. Foyt, Gilmore-Foyt Racing, Coyote 80 Cosworth, and Mike Mosley, All American Racers, Eagle 81 Chevrolet.