CLERMONT, IN - JULY 26: Mario Andretti (#1) in his STP McNamarra leads A.J. Foyt, Jr. (#7) in his Coyote Ford in the USAC INDY 150 Champ Car Race held on the road course at Indianapolis Raceway Park (IRP) on July 26, 1970 in Clermont, Indiana. (Photo by Alvis Upitis/)