PORSCHE RACING HISTORYPeter Gregg (USA)
1971 : Sebring 12 Hours - 2nd in class : Watkins Glen 6 Hours - 1st in class
31 January 1971 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 914/6 | 914 043 0705 | GT2.5 | Peter Gregg (USA)/Hurley Haywood (USA) | Brumos Porsche Audi Corp (USA) | DNF | 23rd | 260 laps - Engine |
20 March 1971 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 914/6 | 914 043 0705 | GT2.5 | Peter Gregg (USA)/Hurley Haywood (USA) | Brumos Porsche Audi Corp. (USA) | 14th | 2nd | 28th | 192 laps |
24 July 1971 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 914/6 | 914 043 2563 | GT+2.5 | Peter Gregg (USA)/Hurley Haywood (USA) | Brumos Porsche-Audi (USA) | 6th | 1st | 19th | 229 laps |