PORSCHE RACING HISTORYMichel Dubois (F)
1974 : Le Mans 24 Hours - 3rd in class
16 June 1974 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 911 Carrera RSR | 911 460 9052 | GTS3.0 | Bernard Cheneviére (CH)/Peter Zbinden (CH)/Michel Dubois (F) | Porsche Club Romand (CH) | 7th | 3rd | 32nd | 313 laps |