PORSCHE RACING HISTORYJohn Graves (USA)
1977 : Daytona 24 Hours - 1st overall
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 911 Carrera RSR | 911 560 9112 | GTO | Hurley Haywood (USA)/John Graves (USA)/Dave Helmick (USA) | Ecurie Escargot (USA) | 1st | 1st | 12th | 681 laps |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | John Paul Sr. (USA)/John O'Steen (USA)/John Graves (USA)/Bob Hagestad (USA) | John Paul Sr. (USA) | 69th | 41st | 9th | 13 laps - Engine |