PORSCHE RACING HISTORYSteve Phillips (USA)
1988
2 October 1988 - Columbus 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 962 | 962-128 | GTP | Gianpiero Moretti (I)/Steve Phillips (USA) | Momo Corse (I) | 13th | 12th | 18th | 76 laps |
23 October 1988 - Del Mar 2 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 962 C | 962C-003BM | GTP | Gianpiero Moretti (I)/Steve Phillips (USA) | Momo Corse (I) | 12th | 10th | 20th | 80 laps |