| 1968 | 31 | Porsche System Engineering | Porsche 908 | SP | Dunlop | — | — | Retired | 59 | Jo Siffert / Hans Herrmann |
| 1968 | 32 | Porsche System Engineering | Porsche 908 | SP | Dunlop | — | — | Retired | 111 | Gerhard Mitter / Vic Elford |
| 1968 | 33 | Porsche System Engineering | Porsche 908 | SP | Dunlop | 3. | 2. | Finished | 324 | Jochen Neerpasch / Rolf Stommelen |
| 1968 | 34 | Porsche System Engineering | Porsche 908 | SP | Dunlop | — | — | Retired | 115 | Joe Buzzetta / Scooter Patrick |
| 1969 | 20 | HART Ski Racing | Porsche 908/02 LH | SP | Firestone | — | — | Retired | 60 | Jo Siffert / Brian Redman |
| 1969 | 22 | Porsche System Engineering | Porsche 908 LH | SP | Firestone | — | — | Retired | 317 | Rudi Lins / Willi Kauhsen |
| 1969 | 23 | Porsche System Engineering | Porsche 908 LH | SP | Dunlop | — | — | Retired | 199 | Udo Schütz / Gerhard Mitter |
| 1969 | 64 | Porsche System Engineering | Porsche 908 | SP | Dunlop | 2. | 1. | Finished | 371 | Hans Herrmann / Gérard Larrousse |
| 1971 | 28 | Auguste Veuillet / Etablissement Sonauto | Porsche 908/02 | SP | Dunlop | — | — | Retired | 3 | Claude Ballot-Léna / Guy Chasseuil |
| 1971 | 29 | André Wicky Racing Team | Porsche 908/02 | SP | Firestone | — | — | Retired | 3 | André Wicky / Max Cohen-Olivar |
| 1971 | 30 | Louis Cosson | Porsche 908/02 | SP | Dunlop | — | — | Retired | 3 | Louis Cosson / Helmut Leuze |
| 1971 | 60 | Claude Haldi | Porsche 908/02 | SP | Firestone | — | — | Retired | 3 | Claude Haldi / Hans-Dieter Weigel |
| 1972 | 67 | Christian Poirot | Porsche 908/02 | S | Dunlop | — | — | Not classified | 206 | Christian Poirot / Philippe Farjon |
| 1973 | 57 | Christian Poirot | Porsche 908/02 | S | Dunlop | — | — | Did not start | 0 | Christian Poirot / Jean Rondeau |