PORSCHE RACING HISTORYBill Adam (CDN)
1986
4 May 1986 - Laguna Seca 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-HR2 | GTP | Bruce Leven (USA)/Bill Adam (CDN) | Bridstone/Bayside (USA) | 14th | 6th | 10th | 84 laps |
6 July 1986 - Watkins Glen 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 962 | 962-121 | GTP | Bruce Leven (USA)/Bill Adam (CDN)/Paolo Barilla (I) | Bridstone/Bayside (USA) | 18th | 11th | 15th | 129 laps |