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| John Buddenbaum -- 1949 Parkinson-Jaguar Special / Don Pepperdene -- 1949 Baldwin Special-Mercury | John Buddenbaum -- 1949 Parkinson-Jaguar Special / Don Pepperdene -- 1949 Baldwin Special-Mercury | Wolfgang Friedrichs -- 1954 Aston Martin DB3S / Stu Hanssen -- 1951 Baldwin Special | Bruce Trenery -- 1953 Lancia D24/5 / Doug Sallen -- 1952 Morgan +4 |
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| George Holt -- 1952 Jaguar XK120 / Luca Maciucescu -- 1952 Jagua XK120 | Dyke Ridgley - 1953 C-Type Jaguar | Doug Klink -- 1952 Allard K2 / George Holt -- 1952 Jaguar XK120 | Bruce Trenery -- 1953 Lancia D24/5 / Vincent Vento -- 1952 Allard J2X |
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Dave Zurlinden -- 1953 Tatum Special-GMC / John Buddenbaum -- 1949 Parkinson Special-Jaguar
| Robert Williams -- 1952 Siata Daina / David Nelson -- 1955 Triumph TR2 | Robert Williams -- 1952 Siata Daina / David Nelson -- 1955 Triumph TR2 | Timothy de Silva -- 1978 Osella PA8 / Cal Meeker -- 1973 Lola T294 |
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| Joshua Feiber -- 1971 Chevron B19 / Gray Gregory -- 1973 Chevron B23 | Timothy de Silva -- 1978 Osella PA8 / Cal Meer -- 1973 Lola T294 | Andre Lara Resende -- 1978 Chevron B36 / Keith Frieser -- 1972 Lola T290 | Tom Minnich -- 1978 Chevron B36 / Dennis Singleton -- 1972 Chevron B21 |
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| Chris Porritt -- 1971 Chevron B19 / Keita Tanaka -- 1973 March 73S | Howard Matloff -- 1970 Martin BM-8 / David Putz -- 1972 Chevron B21 | Cameron Healy -- 1970 Porsce 908/3 / Chris MacAllister -- 1973 Gulf Mirage | Chris MacAllister -- 1973 Gulf Mirage |
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| Gray Gregory -- 1970 Chevron B16 / Bob Kullas -- 1969 Chevron B16 | John Goodman -- 1972 Ferrari 312 Sparling Special / Reginald Howell -- 1967 Porsche -910 | John Goodman -- 1972 Ferrari 312 Sparling Special / Steve Kupferman -- 1967 Bobsy SR4 | John Goodman -- 1972 Ferrari 312 Sparling Special |
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| Joseph Nastasi -- 1967 Alfa Romeo 33-2 Floreon Periscopics | ????? / Bruce Canepa -- 1989 Porsche 962C | Lee Giannone -- 1985 Porsche 962 / Tom Dooley -- 1988 Porsche 962 Group C | |