| 1978 | 85 | Ecurie Francorchamps | Ferrari 512 BB | IMSA | — | — | — | Retired | 4 | Teddy Pilette / Jean Beurlys (Jean Blaton) / Raymond Touroul / Nick Faure |
| 1978 | 87 | Luigi Chinetti Snr | Ferrari 512 BB | IMSA | — | — | — | Retired | 4 | Jacques Guérin / Jean-Pierre Delaunay / Gregg Young |
| 1978 | 88 | Pozzi Thomson JMS Racing | Ferrari 512 BB | IMSA | Michelin | — | — | Retired | 4 | Jean-Claude Andruet / Spartaco Dini |
| 1978 | 89 | Pozzi Thomson JMS Racing | Ferrari 512 BB | IMSA | Michelin | — | — | Retired | 4 | Claude Ballot-Léna / Jean-Louis Lafosse |
| 1979 | 61 | Beurlys | Ferrari 512 BB | IMSA | Michelin | 12. | 5. | Finished | 269 | Nick Faure / 'Steve' O'Rourke / Bernard de Dryver / Jean Beurlys (Jean Blaton) |
| 1979 | 62 | Charles Pozzi / JMS Racing | Ferrari 512 BB | IMSA | Michelin | — | — | Retired | 3 | Jean-Claude Andruet / Spartaco Dini |
| 1979 | 63 | Charles Pozzi / JMS Racing | Ferrari 512 BB | IMSA | Michelin | — | — | Retired | 3 | Michel Leclere / Claude Ballot-Léna / Peter Gregg |
| 1979 | 64 | North American Racing Team | Ferrari 512 BB | IMSA | Michelin | — | — | Retired | 4 | Jean-Pierre Delaunay / Cyril Grandet / Preston Henn |
| 1980 | 74 | North American Racing Team | Ferrari 512 BB LM | IMSA | Goodyear | — | — | Did not start | 0 | Jean-Pierre Delaunay / Preston Henn |
| 1980 | 75 | JMS Racing / Charles Pozzi | Ferrari 512 BB LM | IMSA | Michelin | — | — | Retired | 47 | Lucien Guitteny / Gérard Bleynie / Jean-Paul Libert |
| 1980 | 76 | JMS Racing / Charles Pozzi | Ferrari 512 BB LM | IMSA | Michelin | 10. | 3. | Finished | 312 | Jean Xhenceval / Pierre Dieudonné / Hervé Regout |
| 1980 | 77 | JMS Racing / Charles Pozzi | Ferrari 512 BB LM | IMSA | Michelin | — | — | Retired | 3 | Jean-Claude Andruet / Claude Ballot-Léna |
| 1980 | 78 | Rosso Racing / Emka Productions | Ferrari 512 BB LM | IMSA | Dunlop | 23. | 8. | Finished | 263 | 'Steve' O'Rourke / Richard Down / Simon Phillips |
| 1980 | 79 | Scuderia Supercar Bellancauto SRL | Ferrari 512 BB LM | IMSA | Michelin | — | — | Retired | 10 | Spartaco Dini / Fabrizio Violati / Maurizio Micangeli |
| 1981 | 46 | Rennod Racing | Ferrari 512 BB LM | IMSA-GTX | Goodyear | 9. | 3. | Finished | 321 | Pierre Dieudonné / Jean Xhenceval / Jean-Paul Libert |
| 1981 | 47 | Charles Pozzi S.A. | Ferrari 512 BB LM | IMSA-GTX | Michelin | 5. | 1. | Finished | 328 | Jean-Claude Andruet / Claude Ballot-Léna / Hervé Regout |
| 1981 | 48 | Simon Phillips | Ferrari 512 BB LM | IMSA-GTX | Michelin | — | — | Retired | 140 | Simon Phillips / Mike Salmon / Steven Earle |
| 1981 | 49 | North American Racing Team | Ferrari 512 BB LM | IMSA-GTX | Michelin | — | — | Retired | 247 | Alain Cudini / Philippe Gurdjian / John Morton |
| 1982 | 70 | Prancing Horse Farm Racing | Ferrari 512 BB | IGTX | Michelin | 6. | 3. | Finished | 322 | Pierre Dieudonné / Carson Baird / Jean-Paul Libert |
| 1982 | 71 | Charles Pozzi - Ferrari France | Ferrari 512 BB | IGTX | Michelin | — | — | Retired | 57 | Jean-Claude Andruet / Claude Ballot-Léna / Hervé Regout |
| 1982 | 72 | North American Racing Team | Ferrari 512 BB | IGTX | Michelin | 9. | 4. | Finished | 307 | Alain Cudini / John Morton / John Paul Sr |
| 1982 | 73 | T-Bird Racing | Ferrari 512 BB | IGTX | Goodyear | — | — | Retired | 43 | Preston Henn / Randy Lanier / Denis Morin |