| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 10 | High Point Raceway | 250MX 450 Class | July 9, 1978 | Suzuki |
| 11 | RedBud Track 'n Trail | 250MX 450 Class | July 2, 1978 | Suzuki |
| 19 | Sears Point International Raceway | 250MX 450 Class | June 11, 1978 | Suzuki |
| 13 | Lake Whitney Cycle Ranch | 250MX 450 Class | May 28, 1978 | Suzuki |
| 10 | Moto-X 338 | 250MX 450 Class | May 7, 1978 | Suzuki |
| 19 | Rio Bravo MX Park | 250MX 450 Class | April 23, 1978 | Suzuki |
| 12 | Racing World | 250MX 450 Class | April 16, 1978 | Suzuki |
| 17 | Hangtown Motocross Classic | 250MX 450 Class | April 10, 1977 | Suzuki |
