| Most frequent drivers: | Don Campbell (3), Milt Davis (3), Jerry Grant (2), Leo Katila (2), Pete Lovely (2), Dean Beckley (2), Hal Rudow (2), George Keck (2), Tom Veness (1), Bill Allday (1), Paul Scott (1), John Keller (1), Lyle Forsgren (1), Ralph Ormsbee (1), John Hall (1), Rich Lake (1), Manfred Laubach (1), Ralph Livermore (1), Vern Clausing (1), Larry Eave (1), Ron Lee (1), Curt Berreman (1), Ray Isaacs (1), Ken Peterson (1), Donivan McCune (1), Tom Rice (1), Pete Carlson (1), Bob Fletcher (1), Brock Brumbaugh (1), George Beall (1) |
| Most frequent makes: | Porsche (7), Lotus (7), Chevrolet (6), Austin-Healey (5), MG (4), Alfa Romeo (3), Fiat-Abarth (3), Ferrari (3), Triumph (3), Cooper (2), Veness (1) |