PORSCHE RACING HISTORYAl Unser, Jr. (USA)
1986 : Daytona 24 Hours - 1st overall : Sebring 12 Hours - 3rd overall : Road America 500 Miles - 1st overall
2 February 1986 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 1st | 1st | 9th | 712 laps |
22 March 1986 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 3rd | 3rd | 2nd | 269 laps |
24 August 1986 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 1st | 1st | 6th | 125 laps |
5 October 1986 - Columbus 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Unser (USA)/Al Unser, Jr. (USA) | Holbert Racing (USA) | 18th | 12th | 11th | 105 laps - DNF |