| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 4 1972 | Mid-Ohio Sports Car Course | SCCA Trans Am | 22 | 11 | Chevrolet Camaro | 70 | 700 | running | 0 | ||
| Jul 4 1972 | Brainerd International Raceway | SCCA Trans Am | 12 | 8 | Chevrolet Camaro | 68 | 1,200 | running | |||
| Jul 15 1972 | Road America | SCCA Trans Am | 11 | 7 | Shafer Farms Racing | 20 | Chevrolet Camaro | 49 | 1,400 | running | 0 |
| Jul 30 1972 | Sanair Super Speedway | SCCA Trans Am | 24 | 4 | Chevrolet Camaro | 124 | 2,200 | running | |||
| Feb 4 1973 | Daytona International Speedway | FIA World Sports Car Championship | 24 | 16 | Don Winter | 75 | Chevrolet Camaro Z28 | 451 | running | ||
| Apr 15 1973 | Road Atlanta | SCCA Trans Am | 3 | 4 | Don Winter Racing | Chevrolet Camaro | 122 | 2,500 | running | ||
| May 5 1973 | Lime Rock Park | SCCA Trans Am | 9 | 23 | Don Winter Racing | Chevrolet Camaro | 64 | 100 | accident | ||
| Jun 16 1973 | Watkins Glen International | SCCA Trans Am | 5 | 39 | Don Winter Racing | 85 | Chevrolet Camaro | 18 | 50 | accident | |
| Jul 15 1973 | Sanair Super Speedway | SCCA Trans Am | 4 | 21 | Don Winter Racing | Chevrolet Camaro | 33 | 200 | ball joint | ||
| Jul 28 1973 | Road America | SCCA Trans Am | 4 | 12 | Don Winter Racing | Chevrolet Camaro | 65 | 600 | accident | 0 | |
| Aug 19 1973 | Edmonton International Speedway | SCCA Trans Am | 6 | 19 | Don Winters Racing | 85 | Chevrolet Camaro | 57 | 200 | engine | |
| May 4 1974 | Lime Rock Park | SCCA Trans Am | 2 | 8 | Shafer Farms Racing | Chevrolet Camaro | 121 | 1,200 | running | ||
| Jul 4 1974 | Daytona International Speedway | IMSA GT | 35 | Carl Shafer | 21 | Chevrolet Camaro | 22 | did not finish | |||
| Jul 27 1974 | Road America | SCCA Trans Am | 4 | 24 | Shafer Farms Racing | Chevrolet Camaro | 35 | 50 | overheating | 0 | |
| Aug 10 1974 | Talladega Superspeedway | IMSA GT | 5 | Carl Shafer | 21 | Chevrolet Camaro | 49 | ||||
| Aug 18 1974 | Charlotte Motor Speedway | IMSA GT | 17 | Carl Shafer | 21 | Chevrolet Camaro | 64 | ||||
| Feb 2 1975 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 1 | 42 | John Greenwood | 75 | Chevrolet Corvette | 148 | 0 | accident | |
| Apr 20 1975 | Road Atlanta | IMSA GT | 1 | 38 | Chevrolet Camaro | 5 | did not finish | ||||
| May 26 1975 | Lime Rock Park | IMSA GT | 5 | 7 | Chevrolet Camaro | 64 | running | ||||
| May 26 1975 | Lime Rock Park | IMSA GT | 7 | 5 | Chevrolet Camaro | 64 | running | ||||
| Jun 1 1975 | Mid-Ohio Sports Car Course | IMSA GT | 6 | 34 | Chevrolet Camaro | 9 | did not finish | ||||
| Jun 14 1975 | Mosport International Raceway | IMSA GT | 6 | 2 | Shafer Frams Hoselton Camaro | 21 | Chevrolet Camaro | 40 | running | ||
| Jul 4 1975 | Daytona International Speedway | IMSA GT | 2 | 32 | 21 | Chevrolet Camaro | 17 | did not finish | |||
| Jul 20 1975 | Mid-America Raceways | IMSA GT | 9 | 31 | Chevrolet Camaro | 2 | did not finish | ||||
| Jul 20 1975 | Mid-America Raceways | IMSA GT | 31 | 5 | Chevrolet Camaro | 34 | running | ||||
| Aug 9 1975 | Talladega Superspeedway | IMSA GT | 6 | 30 | Chevrolet Camaro | 4 | did not finish | ||||
| Aug 24 1975 | Road America | Formula Libre | 24 | Chevrolet Camaro | 16 | 100 | fuel leak | 0 | |||
| Nov 30 1975 | Daytona International Speedway | IMSA GT | 19 | 11 | Brumos Porsche Audi | 21 | Porsche Carrera | 61 | running | ||
| Feb 1 1976 | Daytona International Speedway | IMSA/WSCC GT | 10 | 24 | Ted Mathey | 35 | Chevrolet Corvette | 380 | running | ||
| Mar 20 1976 | Sebring International Raceway | IMSA GT | 6 | 8 | Brumos Porsche-Audi | 61 | Porsche Carrera RSR 911 560 9122 | 210 | 900 | running | |
| Apr 11 1976 | Road Atlanta | IMSA GT | 48 | 47 | Frank Shafer | Chevrolet Camaro | 8 | did not finish | |||
| May 2 1976 | Laguna Seca Raceway | IMSA GT | 5 | 20 | Frank Shafer | 21 | Chevrolet Camaro | 46 | running | 0 | |
| Jun 6 1976 | Mid-Ohio Sports Car Course | IMSA GT | 7 | 9 | Frank Shafer | Chevrolet Camaro | 40 | running | |||
| Jul 4 1976 | Daytona International Speedway | IMSA GT | 2 | 34 | Frank Shafer | 21 | Chevrolet Camaro | 12 | did not finish | ||
| Jul 10 1976 | Watkins Glen International | WSCC/SCCA Trans Am | 17 | 22 | Arrow Heating Co. | 76 | Chevrolet Camaro 350 | 95 | 700 | running | 0 |
| Jul 24 1976 | Road America | SCCA Trans Am | 1 | 1 | Arrow Heating Co. | 21 | Chevrolet Camaro 454 | 25 | 2,000 | running | 23 |
| Aug 15 1976 | Brainerd International Raceway | SCCA Trans Am | 1 | 1 | Shafer Farms Racing | 21 | Chevrolet Camaro 454 | 33 | 2,000 | running | 26 |
| Aug 21 1976 | Mosport International Raceway | SCCA Trans Am | 1 | 4 | Shafer Farms Racing | 21 | Chevrolet Camaro 454 | 41 | 800 | running | |
| Sep 5 1976 | Circuit Trois-Rivières | SCCA Trans Am | 5 | 16 | Shafer Farms Racing | 21 | Chevrolet Camaro 454 | 40 | 450 | running | 0 |
| Oct 3 1976 | Laguna Seca Raceway | IMSA GT | 2 | 36 | Frank Shafer | 21 | Chevrolet Camaro | 14 | did not finish | ||
| Nov 28 1976 | Daytona International Speedway | IMSA GT | 10 | 49 | Peter Gregg Racing | 95 | BMW CSL | 19 | did not finish | ||
| Feb 6 1977 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 16 | 40 | Executive Industries | 24 | Porsche Carrera RSR 911 460 9056 | 178 | did not finish | ||
| Mar 19 1977 | Sebring International Raceway | IMSA GT | 16 | 7 | Executive Industries | 24 | Porsche Carrera RSR 911 460 9056 | 214 | 1,000 | running | |
| Apr 17 1977 | Road Atlanta | IMSA GT | 1 | 2 | Shafer Farms Racing | 21 | Chevrolet Camaro | 40 | 2,900 | running | |
| May 15 1977 | Mid-America Raceways | IMSA GT | 22 | 21 | Shafer Farms Racing | 21 | Chevrolet Camaro | 17 | did not finish | ||
| Jun 19 1977 | Brainerd International Raceway | IMSA GT | 5 | 12 | Shafer Farms Racing | 21 | Chevrolet Camaro | 29 | running | 0 | |
| Sep 3 1977 | Road America | SCCA Trans Am | 4 | 51 | 21 | Chevrolet Camaro 454 | 1 | engine | 0 | ||
| Sep 4 1977 | Road America | SCCA Trans Am | 50 | 48 | Shafer Farms | 21 | Chevrolet Camaro 454 | 3 | transmission | 0 | |
| Sep 5 1977 | Road Atlanta | IMSA GTO | 26 | 6 | Shafer Farms Racing | 21 | Chevrolet Camaro | 39 | running | ||
| Apr 16 1978 | Road Atlanta | IMSA GT | 4 | 3 | Shafer Farms Racing | 21 | Chevrolet Camaro | 39 | running | ||
| Jun 18 1978 | Brainerd International Raceway | IMSA GT | 5 | 4 | Shafer Farms Racing | 21 | Chevrolet Camaro | 32 | running | ||
| Jun 25 1978 | Circuit Mont-Tremblant | SCCA Trans Am | 7 | 25 | Gordon Oftedahl | 01 | Chevrolet Camaro | 6 | 750 | accident | 0 |
| Jul 4 1978 | Daytona International Speedway | IMSA GT | 8 | 37 | Carter Brothers | 56 | Chevrolet Camaro | 40 | did not finish | ||
| Aug 13 1978 | Brainerd International Raceway | SCCA Trans Am | 6 | 34 | Shafer Farms Racing | 21 | Chevrolet Camaro 454 | 17 | 450 | accident | 0 |
| Aug 19 1978 | Mosport International Raceway | SCCA Trans Am | 16 | 27 | Gordon Oftedahl | 01 | Chevrolet Camaro 350 | 0 | did not start | 0 | |
| Sep 4 1978 | Road America | SCCA Trans Am | 11 | 40 | Gordon Oftedahl | 01 | Chevrolet Camaro 350 | 4 | 500 | accident | 0 |
| Oct 8 1978 | Laguna Seca Raceway | SCCA Trans Am | 13 | Gordon Oftedahl | 02 | Chevrolet Camaro | 47 | 500 | running | 0 | |
| Feb 4 1979 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 14 | 19 | Gordon Oftedahl | 21 | Chevrolet Camaro | 493 | running | ||
| Mar 17 1979 | Sebring International Raceway | IMSA GT | 64 | 59 | Gordon Oftedahl | 22 | Chevrolet Camaro | 37 | did not finish | ||
| Mar 17 1979 | Sebring International Raceway | IMSA GT | 26 | 70 | Gordon Oftedahl | 21 | Chevrolet Camaro | 8 | engine | ||
| Apr 8 1979 | Road Atlanta | IMSA GT | 18 | 10 | Gordon Oftedahl | 21 | Chevrolet Camaro | 37 | running | ||
| Apr 29 1979 | Laguna Seca Raceway | IMSA GT | 12 | 15 | 21 | Chevrolet Camaro | 46 | running | |||
| May 13 1979 | Hallett Motor Racing Circuit | IMSA GT | 10 | 20 | 21 | Chevrolet Camaro | 26 | did not finish | |||
| Jun 17 1979 | Brainerd International Raceway | IMSA GT | 38 | 26 | 21 | Chevrolet Camaro | 27 | running | |||
| Jul 7 1979 | Watkins Glen International | WSCC/SCCA Trans Am | 40 | 16 | Gordon Oftedahl | 21 | Chevrolet Camaro | 144 | 1,200 | running | 0 |
| Jul 7 1979 | Watkins Glen International | WSCC/SCCA Trans Am | 22 | 40 | Gordon Oftedahl | 11 | Chevrolet Camaro | 11 | 0 | fire | 0 |
| Jul 21 1979 | Road America | SCCA Trans Am | 25 | 34 | Gordon Oftedahl | 21 | Chevrolet Camaro | 4 | engine | 0 | |
| Aug 19 1979 | Mosport International Raceway | SCCA Trans Am | 18 | 21 | Gordon Oftedahl | 00 | Chevrolet Camaro | 4 | 250 | overheating | 0 |
| Nov 25 1979 | Daytona International Speedway | IMSA GT | 14 | 8 | 21 | Chevrolet Camaro | 45 | running | |||
| Jun 1 1980 | Hallett Motor Racing Circuit | SCCA Trans Am | 14 | 23 | 21 | Stairs Monza/Chevrolet | 32 | 125 | electrical | 0 | |
| Nov 30 1980 | Daytona International Speedway | IMSA GT | 17 | 9 | 10 | Chevrolet Camaro | 60 | running | |||
| Jun 14 1981 | Portland International Raceway | SCCA Trans Am | 19 | 35 | Gordon Oftedahl | 4 | Chevrolet Camaro | 26 | engine | ||
| Jul 4 1981 | Lime Rock Park | SCCA Trans Am | 25 | 13 | Gordon Oftedahl | 0 | Chevrolet Camaro | 64 | 475 | running | 0 |
| Jul 26 1981 | Road America | SCCA Trans Am | 11 | 49 | Gordon Oftedahl | 0 | Chevrolet Camaro | 1 | accident | 0 | |
| Aug 9 1981 | Brainerd International Raceway | SCCA Trans Am | 5 | 7 | Gordon Oftedahl | 0 | Chevrolet Camaro | 33 | 1,200 | running | 0 |
| Jan 31 1982 | Daytona International Speedway | IMSA GT | 64 | 33 | Meldeau Tire World | 51 | Chevrolet Camaro | 351 | running | ||
| Jan 31 1982 | Daytona International Speedway | IMSA GT | 52 | 44 | Gordon Oftedahl | 10 | Chevrolet Camaro | 231 | did not finish | ||
| Mar 20 1982 | Sebring International Raceway | IMSA GT | 58 | 52 | Gordon Oftedahl | 10 | Pontiac Firebird | 52 | engine | ||
| Jul 24 1982 | Road America | SCCA Trans Am | 6 | 2 | Gordon Oftedahl | 0 | Pontiac Trans-Am | 25 | 5,000 | running | 0 |
| Feb 6 1983 | Daytona International Speedway | IMSA GT | 17 | 47 | Gordon Oftedahl | 14 | Pontiac Firebird | 165 | engine | ||
| Mar 19 1983 | Sebring International Raceway | IMSA GT | 16 | 26 | Gordon Oftedahl | 14 | Pontiac Firebird | 185 | running | ||
| Mar 19 1983 | Sebring International Raceway | IMSA GT | 19 | 46 | Gordon Oftedahl | 13 | Pontiac Firebird | 142 | engine |