PORSCHE RACING HISTORYAl Holbert (USA)
1988
31 January 1988 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-HR1 | GTP | Al Holbert (USA)/Chip Robinson (USA)/Derek Bell (GB) | Holbert Racing (USA) | 7th | 7th | 8th | 660 laps |
19 March 1988 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-HR1 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 46th | 10th | 1st | 142 laps - Engine |