| 1979 | 36 | Gelo Sportswear International | Porsche 935 | V | Goodyear | — | — | retired | 3 | Manfred Schurti / Hans Heyer |
| 1979 | 37 | Gelo Sportswear International | Porsche 935 | V | Goodyear | — | — | retired | 3 | John Fitzpatrick / Harald Grohs / Jean-Louis Lafosse |
| 1979 | 39 | ASA Cachia | Porsche 935 | V | Dunlop | 15. | 6. | classified | 265 | Jacques Guérin / Chanaud (Jacques Goujon) / Frédéric Alliot / Jean-Louis Schlesser |
| 1979 | 40 | Porsche Kremer Racing | Porsche 935/77A | V | Dunlop | 3. | 2. | classified | 292 | Laurent Ferrier / François Servanin / François Trisconi |
| 1979 | 41 | Porsche Kremer Racing | Porsche 935 K3 | V | Dunlop | 1. | 1. | classified | 307 | Klaus Ludwig / Don Whittington / Bill Whittington |
| 1979 | 42 | Sekurit Racing | Porsche 935/77A | V | Dunlop | 7. | 3. | classified | 283 | Edgar Dören / Dieter Schornstein / Götz von Tschirnhaus |
| 1979 | 43 | Claude Haldi | Porsche 935 | V | Dunlop | 11. | 4. | classified | 271 | Claude Haldi / Herbert Loewe / Rodrigo Teran |
| 1979 | 45 | Porsche Kremer Racing | Porsche 935 K3 | V | Dunlop | 13. | 5. | classified | 269 | Axel Plankenhorn / Philippe Gurdjian / John Winter (Louis Krages) |
| 1979 | 71 | Dick Barbour Racing | Porsche 935 | IMSA | Goodyear | — | — | retired | 4 | Bob Akin / Roy Woods / Rob McFarlin |