| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 12 1974 | Laguna Seca Raceway | IMSA GT | 26 | 18 | Dave Hamren | 83 | Porsche 911S | 45 | running | ||
| May 19 1974 | Ontario Motor Speedway | IMSA GT | 14 | Dave Hamren | 83 | Porsche 911S | 106 | 0 | |||
| Mar 18 1978 | Sebring International Raceway | IMSA GT | 53 | 10 | William J. Koll | 62 | Porsche 914/6 | 209 | running | ||
| Apr 2 1978 | Talladega Superspeedway | IMSA GT | 32 | 11 | William Koll | 62 | Porsche 914/6 | 148 | running |