Watkins Glen
François Cevert, Young American Racing, McLaren M8F Chevrolet, leads David Hobbs, Carl A. Haas Racing, Lola T310 Chevrolet, Jackie Oliver, Don Nichols Racing, Shadow Mk III Chevrolet, Gregg Young, Young American Racing, McLaren M8F Chevrolet, and Milt Minter, Vasek Polak Racing, Porsche 917/10.