Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1971 | ||||
| 1971/05/08 | Lime Rock, CT (USA) | Trans-Am | 4 | Ford Mustang |
| 1971/05/31 | Bryar, NH (USA) | Trans-Am | 2 | Ford Mustang |
| 1971/06/06 | Lexington, OH (USA) | Trans-Am | 3 | Ford Mustang |
| 1973 | ||||
| 1973/02/03 - 1973/02/04 | Daytona, FL (USA) | World Championship for Makes 24 Hours Daytona | 1 | Porsche 911 Carrera RS |
| 1973/03/24 | Sebring, FL (USA) | 12 Hours Sebring | 1 | Porsche 911 Carrera RSR |
| 1975 | ||||
| 1975/02/01 - 1975/02/02 | Daytona, FL (USA) | World Championship for Makes 24 Hours Daytona | 1 | Porsche Carrera RSR |
| 1976 | ||||
| 1976/01/31 - 1976/02/01 | Daytona, FL (USA) | 24 Hours Daytona | 1 | Porsche |
| 1977 | ||||
| 1977/06/05 | Westwood (CAN) | Trans-Am | 1 | Porsche 934 |
| 1977/07/31 | Hallett, OK (USA) | Trans-Am | 1 | Porsche 934 |
| 1977/08/14 | Brainerd, MN (USA) | Trans-Am | 1 | Porsche 934 |
| 1977/08/21 | Mosport (CAN) | World Championship for Makes | 1 | Porsche 934/5 Turbo |
| 1977/09/04 | Elkhart Lake, WI (USA) | Trans-Am | 1 | Porsche 934 |
| 1977/09/11 | Mont Tremblant (CAN) | Trans-Am | 1 | Porsche 934 |
| 1978 | ||||
| 1978/02/04 - 1978/02/05 | Daytona, FL (USA) | World Championship for Makes 24 Hours Daytona | 1 | Porsche 935 Turbo |
| 1978/07/08 | Watkins Glen, NY (USA) | World Championship for Makes 6 Hours Watkins Glen | 1 | Porsche 935 |
| 1979 | ||||
| 1979/07/21 | Elkhart Lake, WI (USA) | Trans-Am | 1 | Porsche 935 |
| 1979/10/14 | Laguna Seca, CA (USA) | Trans-Am | 1 | Porsche 935 |