1999
| | Pep Boys Indy Racing League | | Position: 28 (39 points) | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Nienhouse Motorsports, Byrd's KFC | | Car: G-Force GF01C (Oldsmobile) |
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1998
| | Pep Boys Indy Racing League | | Position: 11 (216 points) | 11 races. 1 win. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: PDM Racing, Team Pelfrey, Byrd-Cunningham Racing | | Car: G-Force GF-01B (Oldsmobile) |
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1997
| | IMSA World Sports Car Championship | | Position: 11 (125 points) | 7 races. 3 wins. 0 pole positions. 4 podiums. 0 fastest laps.
| | Team: Dyson Racing | | Car: Riley & Scott MkIII (Ford) |
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1996-97
| | Indy Racing League | | Position: 15 (163 points) | 7 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Earl's Performance, Klipsch Overhead Door | | Car: Lola T93/00 (Menard) | | Car: Lola T95/00 (Menard) | | Car: Dallara IR7 (Oldsmobile) | | Car: G-Force GF01 (Oldsmobile) |
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1996
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| | | Indy Racing League | | Position: 15 (153 points) | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: PDM Racing |
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1995
| | IMSA World Sports Car Championship | | Position: 29 (47 points) | 3 races. 0 wins. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Dyson Racing | | Car: Riley & Scott MkIII (Ford) | | Car: Spice DR3 (Lancia) |
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| | | Le Mans 24h - GT1 class | |
| Race position: no position. | | Team: ZR-1 Corvette Team USA | | Car: Chevrolet Corvette ZR-1 | | Complete results needed. |
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1994
| | PPG Indy Car World Series | | Position: no position | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: ProFormance |
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1993
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| | | IMSA Camel GTP Championship | | Position: 5 (81 points) | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Complete results needed. |
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1992
| | IMSA Camel GTP Championship | | Position: 13 (35 points) | 8 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Brumos, Joest Racing, Hotchkis Racing, Tom Milner Racing | | Car: Gunnar 966 (Porsche) | | Car: Porsche 962C | | Car: Spice SE91P (Pontiac) | | Car: Intrepid RM-1 (Chevrolet) |
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1991
| | IMSA Camel GTP Championship | | Position: 21 (28 points) | 6 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Dyson Racing, Gunnar Porsche, John Shapiro | | Car: Porsche 962C | | Car: Gunnar 966 (Porsche) | | Car: Porsche 962GTi | | Car: Spice SE89P (Pontiac) |
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| | | NASCAR Winston Cup | | Position: 56 (182 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Car: Chevrolet | | Complete results needed. |
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| | | PPG Indy Car World Series | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: ATEC Environmental |
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1990
| | IMSA Camel GTP Championship | | Position: 8 (91 points) | 15 races. 0 wins. 0 pole positions. 3 podiums. 0 fastest laps.
| | Team: Busby Racing | | Car: Nissan GTP ZX-T |
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| | | PPG Indy Car World Series | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: ATEC Environmental |
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1989
| | IMSA Camel GTP Championship | | Position: 24 (24 points) | 5 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Bayside Racing, Phoenix Racing Cars, Momo-Gebhardt Racing | | Car: Porsche 962 | | Car: Phoenix JG2 (Chevrolet) | | Car: Porche 962C |
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| | | PPG Indy Car World Series | | Position: no position | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Mayano/Kasle/Mistral, Dale Coyne Racing, ATEC Environmental, Bettenhausen |
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| | | IMSA Camel Lights | | Position: 47 (10 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Whitehall Motorsports | | Car: Spice SE87L (Pontiac) |
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1986
| | IMSA Camel GTP Championship | | Position: 34 (19 points) | 6 races. 0 wins. 1 pole position. 1 podium. 2 fastest laps.
| | Team: Conte Racing | | Car: March 85G (Buick) |
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| | | PPG Indy Car World Series | | Position: no position | 0 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: March Engineering | | Car: March 86C (Buick) |
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1985
| | IMSA Camel GTP Championship | | Position: 60 (3 points) | 14 races. 0 wins. 2 pole positions. 0 podiums. 1 fastest lap.
| | Team: Conte Racing, Pegasus Racing | | Car: March 85G (Buick) | | Car: March 84G (Buick) |
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| | | PPG Indy Car World Series | | Position: no position | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: AMI Racing | | Car: March 85C (Cosworth) |
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1984
| | PPG Indy Car World Series | | Position: 17 (28 points) | 7 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Team VDS, Primus Racing, H&R Racing, Circle Bar Racing, Provimi Racing, Patrick Racing | | Car: Penske PC-10/82 (Cosworth) | | Car: March 84C (Cosworth) | | Car: Primus 84 (Cosworth) |
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| | | IMSA Camel GT Championship | | Position: 38 (18 points) | 7 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Bayside Disposal Racing, Conte Racing, Pegasus Racing | | Car: Porsche 962 | | Car: March 84G (Chevrolet) | | Car: March 85G (Buick) |
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1983
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| | | IMSA Camel GT Championship | | Position: 27 (24 points) | 5 races. 0 wins. 1 pole position. 1 podium. 0 fastest laps.
| | Team: JLP Racing, Henn's Swap Shop | | Car: Porsche 935 | | Car: Lola T600 (Chevrolet) |
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1982
| | IMSA Camel GT Championship | | Position: 1 (235 points) | 18 races. 9 wins. 4 pole positions. 12 podiums. 5 fastest laps.
| | Team: JLP Racing | | Car: Porsche 935 | | Car: Lola T600 (Chevrolet) |
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| | | PPG Indy Car World Series | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Complete results needed. |
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| | | DRM (German Racing Championship) | | Position: 22 (6 points) | 1 race. 0 wins. 1 pole position. 0 podiums. 0 fastest laps.
| | Team: Siegfried Brunn | | Car: Porsche 908/3 Turbo |
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1981
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| | | IMSA Camel GT Challenge | | Position: 2 (130 points) | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Complete results needed. |
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1980
| | World Sportscar Championship - GTX | | Position: no position | 1 race. 0 wins. ? pole positions. 1 podium. ? fastest laps. | | Team: JLP Racing | | Car: Porsche 935 | | Complete results needed. |
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| | | World Sportscar Championship | | Position: no position | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Team: JLP Racing | | Complete results needed. |
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1979
| | Formula Atlantic North America | | Position: 13 (34 points) | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Team: John Paul Racing | | Car: Ralt RT1 (Ford) | | Complete results needed. |
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