PORSCHE RACING HISTORYRob Stevens (USA)
1988
31 January 1988 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 962 | 962-HR2 | GTP | Jim Rothbarth (USA)/Bernard Jourdain (MEX)/Michel Jourdain, Sr (MEX)/Rob Stevens (USA) | Kalagian Racing | 5th | 5th | 12th | 680 laps |
5 June 1988 - Mid Ohio 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 962 | 962-HR2 | GTP | Doc Bundy (USA)/Rob Stevens (USA) | Kalagian Racing | 19th | 12th | 13th | 114 laps |