| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 15 1973 | Mid-Ohio Sports Car Course | IMSA GT | 22 | 73 | Chevrolet Corvette | 164 | running | ||||
| Oct 14 1973 | Indianapolis Raceway Park | IMSA GT | 41 | 31 | Chevrolet Corvette | 50 | running | ||||
| Nov 25 1973 | Daytona International Speedway | IMSA GT | 43 | Clark Howey | 16 | Chevrolet Corvette | 39 | 0 | |||
| Aug 24 1975 | Mid-Ohio Sports Car Course | IMSA GT | 37 | 41 | Chevrolet Corvette | 31 | did not finish | ||||
| Feb 1 1976 | Daytona International Speedway | IMSA/WSCC GT | 43 | 69 | Howey Farms | 73 | Chevrolet Corvette | 15 | did not finish | ||
| Mar 20 1976 | Sebring International Raceway | IMSA GT | 75 | 59 | Howey Farms | 73 | Chevrolet Corvette | 47 | did not finish | ||
| Aug 29 1976 | Mid-Ohio Sports Car Course | IMSA GT | 35 | 36 | Howey Farms | 73 | Chevrolet Corvette | 38 | did not finish | ||
| Feb 6 1977 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 49 | 14 | Howey Farms | 73 | Chevrolet Corvette | 515 | running | ||
| Mar 19 1977 | Sebring International Raceway | IMSA GT | 47 | 27 | Howey Farms | 73 | Chevrolet Corvette | 157 | 100 | accident | |
| Aug 28 1977 | Mid-Ohio Sports Car Course | IMSA GT | 47 | 38 | Howey Farms | 73 | Chevrolet Camaro | 39 | did not finish | ||
| Nov 26 1977 | Daytona International Speedway | IMSA GT | 30 | 25 | Howey Farms | 73 | Chevrolet Camaro | 44 | did not finish | ||
| Feb 5 1978 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 20 | 47 | Howey Farms | 73 | Chevrolet Camaro | 259 | did not finish | ||
| Mar 18 1978 | Sebring International Raceway | IMSA GT | 37 | 55 | Howey Farms | 73 | Chevrolet Camaro | 50 | engine | ||
| Sep 4 1978 | Road America | SCCA Trans Am | 39 | 33 | Howey Farms | 79 | Chevrolet Camaro 454 | 20 | 150 | running | 0 |
| Feb 4 1979 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 29 | 67 | Howey Farms | 73 | Chevrolet Camaro | 4 | did not finish | ||
| Sep 2 1979 | Road America | IMSA GT | 36 | 28 | Howey Farms | 73 | Chevrolet Camaro | 84 | did not finish | ||
| Aug 31 1980 | Road America | IMSA GT | 52 | 45 | Howey Farms | 78 | Chevrolet Camaro | 12 | overheating | ||
| Feb 1 1981 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 37 | 43 | Howey Farms | 78 | Chevrolet Camaro | 208 | did not finish | ||
| Aug 23 1981 | Road America | IMSA GT/World Sports Car Championship | 48 | 35 | Tracy Wolf | 73 | Chevrolet Camaro | 52 | did not finish | ||
| Jan 31 1982 | Daytona International Speedway | IMSA GT | 67 | 59 | Wolf Engine | 73 | Chevrolet Camaro | 70 | did not finish | ||
| Sep 5 1982 | Mid-Ohio Sports Car Course | IMSA GT | 40 | 33 | 73 | Chevrolet Camaro | 68 | did not finish | |||
| Feb 5 1984 | Daytona International Speedway | IMSA GT | 49 | 61 | Clark Howey | 73 | Chevrolet Camaro | 150 | did not finish | ||
| Feb 3 1985 | Daytona International Speedway | IMSA GT | 56 | 26 | Wolf Engines | 73 | Chevrolet Camaro | 467 | running |