PORSCHE RACING HISTORYJo Siffert (CH)
1966 : Le Mans 24 Hours - 1st in class
19 June 1966 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 906 LH | 906-153 | P2.0 | Jo Siffert (CH)/Colin Davis (GB) | Porsche System Engineering (D) | 4th | 1st | 22nd | 339 laps |