PORSCHE RACING HISTORYClaude Ballot-Léna (F)
1977 : Le Mans 24 Hours - 3rd overall, 1st in class
12 June 1977 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 40 | Porsche 935 | 930 770 0912 | Gr.5 | Claude Ballot-Léna (F)/Peter Gregg (USA) | J.M.S. Racing Team (F) | 3rd | 1st | 16th | 316 laps |
9 July 1977 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | Gr.5 | Peter Gregg (USA)/Claude Ballot-Léna (F)/John Gunn (USA) | Brumos Racing (USA) | 6th | 6th | 6th | 163 laps |