| Year | Start | Finish | Class | Class Rank | Car # | Team | Chassis | Engine | Tire | Owner | Qualifying Time | Laps | X Led | Laps Led |
| 1978 | 26 | 25 | S 2.0 | 7 | 27 | Mogil Motors Ltd. with Kores Racing | Chevron B31 | Ford Cosworth BDG 2.0L I4 | | Mogil | 4:03.3 | 180 | 0 | 0 |
| 1979 | 35 | 17 | S 2.0 | 1 | 29 | Mogil Motors Ltd. | Chevron B36 | Ford Cosworth BDG 2.0L I4 | | Mogil | 4:05.80 | 265 | 0 | 0 |
| 1982 | 47 | 13 | Gr. 4 | 1 | 90 | Richard Cleare Racing | Porsche 934 | Porsche 3.3L Turbo Flat-6 | Dunlop | Cleare | 4:04.08 | 293 | 0 | 0 |
| 1983 | 24 | 50 | C | 38 | 42 | Richard Cleare Racing | March 85G | Porsche Type-962 2.8L Turbo Flat-6 | | Cleare | 3:41.98 | 8 | 0 | 0 |
| 1984 | 41 | 30 | C1 | 15 | 38 | Dorset Racing Associates | Dome RC82 | Ford Cosworth DFL 3.3L V8 | Dunlop | Dorset | 3:58.33 | 156 | 0 | 0 |
| 1985 | 33 | 48 | C2 | 15 | 100 | Goodmands Sound | Chevron B62 | Ford Cosworth DFL 3.3L V8 | Avon | John Bartlett | 3:51.77 | 19 | 0 | 0 |
| 1986 | 47 | 22 | C2 | 7 | 72 | Bartlett/Goodmans Sound | Bardon DB1 | Ford Cosworth DFL 3.3L V8 | | John Bartlett | 3:59.97 | 211 | 0 | 0 |
| 1987 | 22 | 13 | C2 | 6 | 127 | Chamberlain Engineering | Spice SE86C | Hart 418T 1.8L Turbo I4 | Avon | Chamberlain | 3:40.02 | 240 | 0 | 0 |
| 1988 | 16 | 33 | C2 | 11 | 127 | Chamberlain Engineering | Spice SE86C | Hart 418T 1.8L Turbo I4 | Avon | Chamberlain | 3:30.26 | 223 | 0 | 0 |
| 1989 | 46 | 40 | C2 | 10 | 102 | Chamberlain Engineering | Spice SE86C | Hart 418T 1.8L Turbo I4 | Goodyear | Chamberlain | 3:44.99 | 86 | 0 | 0 |
| 1990 | 43 | 27 | C2 | 4 | 131 | GP Motorsport | Spice SE87C | Ford Cosworth DFL 3.9L V8 | Goodyear | GP | 4:02.59 | 260 | 0 | 0 |
| 1991 | 9 | 26 | C2 | 23 | 45 | Euro Racing | Spice SE89C | Ford Cosworth DFZ 3.5L V8 | Goodyear | Chamberlain | 4:06.578 | 128 | 0 | 0 |
| 1992 | 23 | 28 | C1 | 15 | 9 | British Racing Motors | BRM P351 | BRM (Weslake) 3.5L V12 | Goodyear | BRM | 4:03.186 | 20 | 0 | 0 |
| 1995 | 45 | 17 | GT2 | 6 | 81 | Richard Jones | Porsche 911 GT2 | Porsche 3.6L Turbo Flat-6 | Goodyear | Richard Jones | 4:23.24 | 250 | 0 | 0 |
