Johnny Rutherford drove two laps in his 1976-winning McLaren (#3), as did Mario Andretti in his 1977 Penske McLaren (#9). Photo: Eric DrumwrightA.J. Foyt rode in the 1977 Oldsmobile pace car with Tony George to celebrate the 40th anniversary of his fourth 500 win. Photo: Eric DrumwrightRay Boissoneau brought out his 1950 Kurtis-Offy, the McNamara Spl. Photo: Eric DrumwrightWedges abound on a busy front straight. Photo: Eric Drumwright