PORSCHE RACING HISTORY935/80
1983
6 February 1983 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/80 | 000 00028 | GTP | Hurley Haywood (USA)/Bruce Leven (USA)/Al Holbert (USA) | Bayside Disposal Racing (USA) | 16th | 7th | 5th | 515 laps - Wheel |
19 March 1983 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/80 | 000 00028 | GTP | Hurley Haywood (USA)/Al Holbert (USA) | Bayside Disposal Racing (USA) | 3rd | 2nd | 7th | 229 laps |