Scott Hutchison's Royale RP24 Formula Ford

Bill MacShane's Zink Z-10 Formula Ford

Mike Phillips's Dulon MP-19 Formula Ford

Bob Lybarger's Lola T-560 Formula Atlantic

Ray Schuler's March 78B Formula Atlantic

Hiro Nishioka, M.D.'s Dulon MP-18C Formula Continental

Tom Mangan's Crossle FB28 Formula Atlantic

Jerry Griffin's Royale RP18A Formula Continental

Carl Berggren's March 78B Formula Atlantic

Art Jaworski's Brabham BT29 Formula Continental

Bruce Clark's Lola T-560 Formula Atlantic about to pass Don Braaten's Lola T-492 Sports 2000

A pair of Ocelot Sports 2000s: John Bonnett leads John Cahill

John Jellinek's Lola T-592 Sports 2000

Don Luster's Tiga SC79 Sports 2000

Don Luster's Tiga SC79 Sports 2000