| Position | Race | Class | Date | Machine |
|---|---|---|---|---|
| 19 | RedBud Track 'n Trail | 500MX 500MX | July 3, 1983 | Honda |
| 18 | Broome-Tioga Sports Center | 500MX 500MX | June 5, 1983 | Honda |
| 19 | St Louis International Raceway | 500MX 500MX | May 22, 1983 | Honda |
| 25 | Road Atlanta | 500MX 500MX | June 6, 1982 | Maico |
| 21 | High Point Raceway | 500MX 500MX | July 8, 1979 | Maico |
| 23 | Metrolina Speedway Park | 500MX 500MX | August 20, 1978 | Maico |
| 25 | Pine Top Motorcycle Park | 500MX 500MX | August 6, 1978 | Maico |
