PORSCHE RACING HISTORYAl Holbert (USA)
1976 : Daytona 24 Hours - 2nd overall : Sebring 12 Hours - 1st overall
1 February 1976 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Al Holbert (USA)/Claude Ballot-Léna (F) | George Dickinson/Holbert Porsche-Audi (USA) | 2nd | 2nd | 5th | 531 laps |
20 March 1976 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Al Holbert (USA)/Michael Keyser (USA) | G. W. Dickinson/Holbert Porsche-Audi (USA) | 1st | 1st | 3rd | 230 laps |
10 July 1976 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 934 | 930 670 0173 | GT | Al Holbert (USA)/Jim Busby (USA) | Holbert/Dickinson (USA) | 16th | 6th | 9th | 134 laps |