Car #171, 1926 Bugatti Type 37A(1500cc), Konig Jurg(Richterswil, Zurich), 15th Place, Best Race Lap: 02:17.753 (Race Group 4A, Bugatti Grand Prix)
Car #100, 1930 Bugatti Type 35B(2262cc), 0-George Davidson(Louisville, KY), 16th Place, Best Race Lap: 02:17.065 (Race Group 4A, Bugatti Grand Prix)