Mario Andretti won the 35-lap TQ feature race at Teaneck, NJ.
Richard Petty drove his Dodge to victory in the 'Carolina 500' NASCAR GN race at the North Carolina Motor Speedway. Cale Yarborough, in the Richard Howard Chevy, finished more than a lap behind in second.
A.J. Foyt and Johnny Rutherford won the 100 mile USAC Indy Car qualifying races at Ontario Motor Speedway. The races set the field for the following week's California 500.