| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 11 1959 | Riverside International Raceway | USAC Road Racing Championship | 93 | Devin/Chevrolet Corvette | 0 | 0 | did not qualify | 0 | |||
| Oct 5 1969 | Riverside International Raceway | SCCA Trans Am | 12 | Chevrolet Camaro | 90 | 250 | running | ||||
| May 12 1974 | Laguna Seca Raceway | IMSA GT | 24 | Andy Porterfield | 19 | Chevrolet Corvette | 44 | running | |||
| May 19 1974 | Ontario Motor Speedway | IMSA GT | 33 | Andy Porterfield | 19 | Chevrolet Corvette | 54 | 0 | |||
| May 10 1975 | Riverside International Raceway | IMSA GT | 21 | 23 | 11 | Chevrolet Corvette | 155 | running | |||
| Jun 1 1980 | Hallett Motor Racing Circuit | SCCA Trans Am | 4 | 25 | Tephquard | 5 | Chevrolet Corvette | 19 | 250 | transmission | 0 |
| Jun 15 1980 | Portland International Raceway | SCCA Trans Am | 29 | Tephguard | 5 | Chevrolet Corvette | 1 | engine | 0 | ||
| Jul 19 1980 | Road America | SCCA Trans Am | 2 | 15 | Tephguard | 5 | Chevrolet Corvette | 25 | 575 | running | 11 |
| Aug 10 1980 | Brainerd International Raceway | SCCA Trans Am | 4 | 3 | Tephguard/Harry Mann | 5 | Chevrolet Corvette | 33 | 2,000 | running | 0 |
| Sep 7 1980 | Westwood Motorsport Park | SCCA Trans Am | 3 | 3 | Tephguard/Harry Mann | 5 | Chevrolet Corvette | 55 | 2,200 | running | 0 |
| May 17 1981 | Charlotte Motor Speedway | SCCA Trans Am | 19 | 30 | Cardinal Harry Mann | 5 | Chevrolet Corvette | 9 | engine | 0 | |
| Jun 14 1981 | Portland International Raceway | SCCA Trans Am | 17 | 41 | Cardinal Harry Mann | 5 | Chevrolet Corvette | 13 | transmission | ||
| Aug 9 1981 | Brainerd International Raceway | SCCA Trans Am | 14 | 8 | Cardinal Harry Mann | 5 | Chevrolet Corvette | 33 | 1,000 | running | 0 |
| Oct 11 1981 | Laguna Seca Raceway | SCCA Trans Am | 25 | 11 | Harry Mann | 5 | Chevrolet Corvette | 50 | 600 | running | 0 |
| Oct 25 1981 | Sears Point International Raceway | SCCA Trans Am | 33 | 32 | Harry Mann | 5 | Chevrolet Corvette | 14 | differential | 0 | |
| Jun 13 1982 | Portland International Raceway | SCCA Trans Am | 13 | 8 | Harry Mann | 5 | Chevrolet Corvette | 51 | 1,600 | running | 0 |
| Jun 12 1983 | Portland International Raceway | SCCA Trans Am | 19 | 32 | Porterfield Ent./Harry Mann | 5 | Chevrolet Camaro | 12 | master cylinder | 0 | |
| Sep 18 1983 | Sears Point International Raceway | SCCA Trans Am | 17 | 11 | Porterfield Ent./Harry Mann | 5 | Chevrolet Camaro | 39 | 1,300 | running | 0 |
| Sep 25 1983 | Riverside International Raceway | SCCA Trans Am | 16 | 13 | Porterfield Ent./Harry Mann | 5 | Chevrolet Camaro | 39 | 1,100 | running | 0 |
| Oct 8 1983 | Caesar's Palace | SCCA Trans Am | 15 | 9 | Porterfield Ent./Harry Mann | 5 | Chevrolet Camaro | 88 | 1,600 | running | 0 |
| Jun 3 1984 | Sears Point International Raceway | SCCA Trans Am | 16 | 20 | Porterfield Racing | 5 | Chevrolet Camaro | 25 | 400 | did not finish | 0 |
| Jun 16 1984 | Portland International Raceway | SCCA Trans Am | 13 | 8 | Porterfield Racing | 5 | Chevrolet Camaro | 51 | 1,800 | running | 0 |
| Sep 23 1984 | Pacific Raceways | SCCA Trans Am | 19 | 18 | Porterfield Racing | 5 | Chevrolet Camaro | 28 | 475 | oil leak | 0 |
| Sep 30 1984 | Sears Point International Raceway | SCCA Trans Am | 21 | 11 | Porterfield Racing | 5 | Chevrolet Camaro | 40 | 1,400 | running | 0 |
| Oct 7 1984 | Riverside International Raceway | SCCA Trans Am | 18 | 14 | Porterfield Racing | 5 | Chevrolet Camaro | 39 | 1,100 | running | 0 |
| Nov 11 1984 | Caesar's Palace | SCCA Trans Am | 16 | 8 | Porterfield Racing | 5 | Chevrolet Camaro | 87 | 1,800 | running | 0 |
| Apr 21 1985 | Firebird International Raceway | SCCA Trans Am | 13 | 8 | Porterfield Enterprises | 5 | Chevrolet Camaro | 66 | 2,300 | running | 0 |
| Jun 2 1985 | Sears Point International Raceway | SCCA Trans Am | 17 | 9 | Porterfield Enterprises | 5 | Chevrolet Camaro | 39 | 2,200 | running | 0 |
| Jun 15 1985 | Portland International Raceway | SCCA Trans Am | 13 | 32 | Porterfield Enterprises | 5 | Chevrolet Camaro | 8 | mechanical | 0 | |
| Aug 4 1985 | Road America | SCCA Trans Am | 19 | 10 | Porterfield Enterprises | 5 | Chevrolet Camaro | 24 | 2,400 | running | |
| Sep 29 1985 | Sears Point International Raceway | SCCA Trans Am | 21 | 23 | Porterfield Enterprises | 5 | Chevrolet Camaro | 28 | mechanical | 0 | |
| May 18 1986 | Riverside International Raceway | SCCA Trans Am | 16 | 6 | Coca-Cola | 5 | Chevrolet Camaro | 40 | 2,800 | running | 0 |
| Jun 1 1986 | Sears Point International Raceway | SCCA Trans Am | 19 | 25 | Coca-Cola | 5 | Chevrolet Camaro | 27 | mechanical | 0 | |
| Jun 14 1986 | Portland International Raceway | SCCA Trans Am | 17 | 17 | Coca-Cola | 5 | Chevrolet Camaro | 50 | 800 | running | 0 |
| Sep 28 1986 | Sears Point International Raceway | SCCA Trans Am | 19 | 8 | Valve Train Products | 5 | Chevrolet Camaro | 40 | 2,800 | running | 0 |
| Oct 12 1986 | Road Atlanta | SCCA Trans Am | 30 | 39 | Valve Train Products | 5 | Chevrolet Camaro | 0 | accident | ||
| Apr 4 1987 | Long Beach Street Circuit | SCCA Trans Am | 19 | 23 | Valve Train Products | 5 | Chevrolet Camaro | 36 | 250 | engine | 0 |
| May 31 1987 | Sears Point International Raceway | SCCA Trans Am | 17 | 24 | Valve Train Products | 5 | Chevrolet Camaro | 34 | 250 | tire | 0 |
| Oct 24 1987 | Del Mar Speedway | IMSA GTO | 23 | 15 | 15 | Chevrolet Camaro | 44 | 750 | running | ||
| Apr 16 1988 | Long Beach Street Circuit | SCCA Trans Am | 24 | 26 | Valve Train Prod. | 5 | Chevrolet Camaro | 40 | mechanical | 0 | |
| May 29 1988 | Sears Point International Raceway | SCCA Trans Am | 19 | 33 | Valve Train Prod. | 5 | Chevrolet Camaro | 13 | engine | 0 | |
| Sep 11 1988 | Road America | SCCA Trans Am | 29 | 15 | Valve Train Products | 5 | Chevrolet Camaro | 24 | 1,400 | running | 0 |
| Oct 22 1988 | Del Mar Speedway | IMSA GTO | 16 | 16 | 51 | Chevrolet Camaro | 0 | did not finish | 0 | ||
| Apr 14 1989 | Long Beach Street Circuit | SCCA Trans Am | 12 | 14 | 5 | Chevrolet Camaro | 58 | 1,100 | running | 0 | |
| May 7 1989 | Sears Point International Raceway | SCCA Trans Am | 19 | 25 | 5 | Chevrolet Camaro | 37 | 400 | mechanical | 0 | |
| Mar 10 1990 | Phoenix Street Circuit | SCCA Trans Am | 37 | 37 | 51 | Chevrolet Camaro | 0 | 0 | did not start | 0 | |
| Apr 21 1990 | Long Beach Street Circuit | IMSA GTO/GTU/AAC | 10 | 16 | 5 | Chevrolet Camaro | 38 | mechanical | |||
| Aug 25 1990 | Streets of Denver | SCCA Trans Am | 29 | 30 | 51 | Chevrolet Camaro | 12 | 400 | overheating | 0 | |
| Apr 13 1991 | Long Beach Street Circuit | IMSA GTO/GTU/AAC | 16 | 29 | 15 | Chevrolet Camaro | 10 | 750 | mechanical | ||
| Oct 12 1991 | Del Mar Speedway | IMSA GTO/GTU/AAC | 17 | 13 | 5 | Chevrolet Camaro | 40 | 1,000 | running | ||
| Apr 11 1992 | Long Beach Street Circuit | SCCA Trans Am | 25 | 16 | 51 | Chevrolet Camaro | 43 | 1,000 | running | 0 | |
| Oct 10 1992 | Del Mar Speedway | IMSA GTS/GTO/GTU | 23 | 27 | 51 | Chevrolet Camaro | 22 | accident |