| Year | Start | Finish | Car # | Lead Driver | Team | Chassis | Engine | Tyre | Qualifying Time | Laps |
| 1980 | 55 | 23 | 78 | Steve O'Rourke | EMKA Productions | Ferrari 512BB/LM | Ferrari 4.9L Flat-12 | Dunlop | 4:19.7 | 262 |
| 1981 | 38 | 24 | 53 | David Hobbs | EMKA Productions Limited | BMW M1 Gr. 5 | BMW M88 3.5L I6 | Dunlop | 3:56.99 | 236 |
| 1982 | 43 | 21 | 62 | Steve O'Rourke | EMKA Productions | BMW M1 Gr. 5 | BMW M88 3.5L I6 | Dunlop | 4:00.23 | 266 |
| 1983 | 25 | 17 | 41 | Tiff Needell | EMKA Productions, Ltd. | EMKA C83/1 | Aston Martin-Tickford 5.3L V8 | | 3:42.23 | 275 |
| 1985 | 13 | 11 | 66 | Tiff Needell | EMKA Productions, Ltd. | EMKA C84/1 | Aston Martin-Tickford 5.3L V8 | Dunlop | 3:33.12 | 338 |
| 1996 | 45 | 47 | 70 | Steve O'Rourke | EMKA Productions | Porsche 911 GT2 | Porsche 3.6L Turbo Flat-6 | Dunlop | 4:12.787 | 32 |
| 1998 | 24 | 4 | 40 | Steve O'Rourke | Gulf Team Davidoff | McLaren F1 GTR | BMW S70 6.0L V12 | Pirelli | 3:50.863 | 343 |
