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| Thomas Byrne -- 1964 Brabham BT-8 / Stephen Thein -- 1967 Porsche 910 | Mark Osborne -- 1965 Merlyn Mk.6 / David Martin -- 1961 Genie Mk.IV | Stephen Thein -- 1967 Porsche 910 | Mark Colbert --1972 BMW CSL
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| Ernie Spada Jr. -- 1977 Porsche 911 / Andrew Cannon 1975 BMW 3.5 CSL | Andrew Cannon 1975 BMW 3.5 CSL / ????? -- BMW | Nelson Calle -- 1969 Porsche 911S / Jeff Zwart -- 1977 Porsche Carrera RSR | James Lawrence -- 1977 Porsche 934.5 / Thor Johnson -- 1974 BMW CSL |
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| Dean DeSantis -- 1972 BMW CSL | Thor Johnson -- 1974 BMW CSL / Mark Colbert --1972 BMW CSL | Karl Gustav Almstrom -- 1971 BMW 3.0 CSL | James Lawrence -- 1977 Porsche 934.5 / Tom Hedges -- 1978 Porsche 930 Turbo IMSA GTO |
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| Bill Ockerlund -- 1974 Porsche 911 RSR / Alan Terpins -- 1975 Porsche Carrera RSR | Steve Walker -- 1976 BMW CSL / Nelson Calle -- 1969 Porsche 911S | Nick Colonna -- 1970 McLaren M8C / Chris MacAllister -- 1971 McLaren M8F-1 | John (Chip) Fudge -- 1963 Huffaker Genie Mk.VII / Mac McGarry -- 1964 Huffaker Genie Mk.10 |
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| Tim De Silva -- 1974 Sting GW-1 Can-Am / Beau DeBard -- 1971 McLaren | Roberrt Kauffman -- 1972 McLaren M8 / Dave Handy -- 1974 Shadow DN4 | Rick Knoop -- 1972 McLaren M8F / Chris MacAllister -- 1971 McLaren M8F-1 | Chris MacAllister -- 1971 McLaren M8F-1 / Claude Malette -- 1970 Lola T222 |
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| Cameron Healy -- 1970 Porsche 908/3 | John Hill -- 1973 Lola T292 / Wade Carter -- 1971 Lola 2-liter | Ken Epsman -- 1971 AMC Javelin / Jim Halsey -- 1970 Ford Mustang Boss 302 (1) | John Hildebrand -- 1964 Pontiac Tempest/GTO |
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| Mike Joy -- 1966 Ford Mustang / Steve Barber -- 1968 Mustang Notchback | Ken Epsman -- 1971 AMC Javelin / Jim Halsey -- 1970 Ford Mustang Boss 302 (2) | Jim Halsey -- 1970 Ford Mustang Boss 302 / Ken Adams -- 1969 Ford Mustang Boss 302 | Richard Goldsmith -- 1970 Dodge Challenger |
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| Jim Reed -- 1969 Camaro Z28 / Mike Joy -- 1966 Ford Mustang | William E. (Chip) Connor -- 1970 Ford Mustang / Terry Lawlor -- 1967 Shelby Mustang | Robert Canepa -- 1970 Ford Mustang Boss 302 / Chad Parrish -- 1969 Ford Mustang Boss 302 | Richard Dean -- 1986 Porsche 962 |
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| Jeremy Barnes -- 1991 Mazda RX-7 | Ranson Webster -- 1976 Porsche 935 K3 / William E. (Chip) Connor -- 1980 Porsche 935J (1) | Ranson Webster -- 1976 Porsche 935 K3 / William E. (Chip) Connor -- 1980 Porsche 935J (2) | Chris Bowden -- 1979 BMW M1 Procar / Eric Edenholm -- 1986 Toyota Celica |
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| Robert Davis -- 1990 Mazda 787 (1) | Ken Saward -- 1989 Mazda 767-B | Robert Davis -- 1990 Mazda 787 (2) | |