| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30 1963 | Watkins Glen International | SCCA US Road Racing Championship GT | 11 | A.C. Cobra CSX2002 | 1 | clutch | 0 | ||||
| Jun 26 1966 | Watkins Glen International | SCCA US Road Racing Championship | 14 | Comstock Racing | Ford GT40 1037 | 62 | running | ||||
| Sep 11 1966 | Circuit Mont-Tremblant | SCCA Can-Am | 27 | 13 | Comstock International | 94 | Ford GT40 1037 | 69 | running | 0 | |
| Sep 24 1966 | Mosport International Raceway | SCCA Can-Am | 26 | 6 | Comstock Racing Team | 94 | Ford GT40 1037 | 78 | 1,300 | running | |
| Aug 27 1967 | Mosport International Raceway | FIA Formula One World Championship | 17 | 13 | Colin Chapman | 5 | Lotus 49 R1/Ford Cosworth | 69 | 0 | disqualified | 0 |
| Sep 23 1967 | Mosport International Raceway | SCCA Can-Am | 20 | 11 | Comstock Racing | 94 | Ford GT40 1037 | 74 | 700 | running | 0 |
| Jun 2 1968 | Circuit Mont-Tremblant | SCCA US Road Racing Championship | 9 | 7 | 15 | McLaren M6B Chevrolet | 58 | 950 | running | ||
| May 20 1973 | Michigan International Speedway | SCCA Formula 5000 | 9 | 7 | Formula Racing | 94 | Lola T330 HU11/Chevrolet | 24 | 1,600 | running | 0 |
| Sep 23 1973 | Mosport International Raceway | FIA Formula One World Championship | Porsche 914 | 0 | safety car | ||||||
| Jun 2 1974 | Mid-Ohio Sports Car Course | USAC/SCCA Formula 5000 | 4 | 16 | 94 | Lola T332 HU31/Chevrolet | 18 | 1,450 | engine | 0 | |
| Jun 15 1974 | Mosport International Raceway | USAC/SCCA Formula 5000 | 3 | 2 | Formula Racing | 94 | Lola T332 HU31/Chevrolet | 40 | 7,750 | running | 0 |
| Jun 16 1974 | Mosport International Raceway | SCCA Can-Am | 7 | 11 | Herbert Mueller Racing/Formula R | 7 | Ferrari 512M Spyder 1036 | 41 | fuel | ||
| Jul 14 1974 | Watkins Glen International | USAC/SCCA Formula 5000 | 4 | 3 | Formula Racing | 94 | Lola T332 HU31/Chevrolet | 30 | 4,950 | running | 0 |
| Jul 28 1974 | Road America | USAC/SCCA Formula 5000 | 3 | 3 | 94 | Lola T332 HU31/Chevrolet | 25 | 5,300 | running | 0 | |
| Sep 1 1974 | Ontario Motor Speedway | USAC/SCCA Formula 5000 | 20 | 27 | 94 | Lola T332 HU31/Chevrolet | 0 | 0 | did not start | 0 | |
| Sep 22 1974 | Mosport International Raceway | FIA Formula One World Championship | 26 | 25 | Team Canada F1 Racing | 50 | Brabham BT42 3/Ford Cosworth | 33 | transmission | 0 | |
| Oct 13 1974 | Laguna Seca Raceway | USAC/SCCA Formula 5000 | 4 | 4 | 94 | Lola T332 HU31/Chevrolet | 49 | 3,550 | running | 0 | |
| Oct 27 1974 | Riverside International Raceway | USAC/SCCA Formula 5000 | 17 | 18 | Eppie Wietzes | 94 | Lola T332 HU31/Chevrolet | 17 | 600 | engine | 0 |
| Mar 22 1975 | Sebring International Raceway | IMSA GT | 70 | 6 | North American Racing Team | 111 | Ferrari 365 GT4/BB 18139 | 215 | running | ||
| Jun 1 1975 | Pocono International Raceway | USAC/SCCA Formula 5000 | 3 | 4 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 35 | 10,500 | running | 0 |
| Jun 15 1975 | Mosport International Raceway | USAC/SCCA Formula 5000 | 6 | 5 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 39 | 3,000 | running | 0 |
| Jul 12 1975 | Watkins Glen International | WSCC/SCCA Trans Am | 6 | 30 | Martini Racing Team | 0 | Porsche 908/3 006 | 0 | 0 | did not start | 0 |
| Jul 13 1975 | Watkins Glen International | USAC/SCCA Formula 5000 | 11 | 5 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 30 | 2,500 | running | 0 |
| Jul 27 1975 | Road America | USAC/SCCA Formula 5000 | 3 | 3 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 25 | 6,750 | running | 0 |
| Aug 10 1975 | Mid-Ohio Sports Car Course | USAC/SCCA Formula 5000 | 6 | 19 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 32 | 1,300 | engine | 0 |
| Aug 31 1975 | Road Atlanta | USAC/SCCA Formula 5000 | 3 | 13 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 36 | 1,600 | running | 0 |
| Sep 28 1975 | Long Beach Street Circuit | USAC/SCCA Formula 5000 | 10 | 3 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 50 | 10,000 | running | 0 |
| Oct 12 1975 | Laguna Seca Raceway | USAC/SCCA Formula 5000 | 9 | 21 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 29 | 0 | oil pressure | 0 |
| Oct 26 1975 | Riverside International Raceway | USAC/SCCA Formula 5000 | 3 | 12 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 37 | 1,950 | running | 0 |
| Jun 20 1976 | Mosport International Raceway | USAC/SCCA Formula 5000 | 9 | 14 | Eppie Wietzes | 94 | Lola T400 HU9/Chevrolet | 35 | 1,000 | running | 0 |
| Aug 20 1977 | Mosport International Raceway | WSCC/SCCA Trans Am | 6 | 18 | Jim Busby Racing | 61 | Porsche 935 930 770 0910 | 45 | engine | ||
| Aug 17 1980 | Mosport International Raceway | IMSA GT | 17 | 27 | Fifth Essence Racing | 33 | Chevrolet Corvette | 59 | suspension | ||
| Feb 1 1981 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 12 | 46 | Maurice Carter Racing | 80 | Chevrolet Camaro | 188 | accident | ||
| May 17 1981 | Charlotte Motor Speedway | SCCA Trans Am | 4 | 1 | Swiss Chalet | 94 | Chevrolet Corvette | 45 | 7,000 | running | 3 |
| Jun 14 1981 | Portland International Raceway | SCCA Trans Am | 15 | 2 | Swiss Chalet | 94 | Chevrolet Corvette | 52 | running | ||
| Jul 4 1981 | Lime Rock Park | SCCA Trans Am | 4 | 7 | Swiss Chalet | 94 | Chevrolet Corvette | 65 | 1,200 | running | 0 |
| Jul 26 1981 | Road America | SCCA Trans Am | 10 | 2 | Swiss Chalet | 94 | Chevrolet Corvette | 25 | 5,000 | running | 0 |
| Aug 9 1981 | Brainerd International Raceway | SCCA Trans Am | 3 | 2 | Swiss Chalet | 94 | Chevrolet Corvette | 33 | 5,200 | running | 0 |
| Aug 16 1981 | Mosport International Raceway | IMSA GT/World Sports Car Championship | 35 | 2 | Cooke Woods Racing | 7 | Lola T600 HU1/Chevrolet | 229 | running | ||
| Sep 6 1981 | Circuit Trois-Rivières | SCCA Trans Am | 3 | 1 | Swiss Chalet | 94 | Chevrolet Corvette | 35 | 4,200 | running | 29 |
| Sep 12 1981 | Mosport International Raceway | SCCA Trans Am | 4 | 34 | Swiss Chalet | 94 | Chevrolet Corvette | 8 | engine | 0 | |
| Oct 11 1981 | Laguna Seca Raceway | SCCA Trans Am | 3 | 3 | Swiss Chalet | 94 | Chevrolet Corvette | 52 | 3,700 | running | 0 |
| Oct 25 1981 | Sears Point International Raceway | SCCA Trans Am | 11 | 3 | Swiss Chalet | 94 | Chevrolet Corvette | 39 | 3,500 | running | 0 |
| Jan 31 1982 | Daytona International Speedway | IMSA GT | 8 | 51 | Cooke Racing | 7 | Lola T600 HU1/Chevrolet | 138 | did not finish | ||
| Sep 5 1982 | Circuit Trois-Rivières | SCCA Trans Am | 4 | 2 | Huffaker Racing | 50 | Pontiac Trans-Am | 35 | 5,200 | running | 13 |
| Oct 3 1982 | Sears Point International Raceway | SCCA Trans Am | 6 | 5 | Huffaker Racing | 50 | Pontiac Trans-Am | 40 | 2,000 | running | 0 |
| Aug 14 1983 | Mosport International Raceway | IMSA GT | 9 | 20 | Paul Canary Racing | 20 | Pontiac Firebird | 109 | did not finish | ||
| Aug 21 1983 | Road America | IMSA GT | 17 | 4 | Paul Canary Racing | 20 | Pontiac Firebird | 108 | running | ||
| May 6 1984 | Road Atlanta | SCCA Trans Am | 19 | 5 | Silk & Wietzes Motorsport | 94 | Pontiac Firebird | 40 | 2,650 | running | 0 |
| May 20 1984 | Summit Point Raceway | SCCA Trans Am | 12 | 4 | Silk & Wietzes Motorsport | 94 | Pontiac Trans-Am | 50 | 3,250 | running | 0 |
| Jun 23 1984 | Detroit Street Circuit | SCCA Trans Am | 12 | 20 | Silk & Wietzes Motorsport | 94 | Pontiac Firebird | 18 | 400 | ignition | 0 |
| Jul 22 1984 | Brainerd International Raceway | SCCA Trans Am | 8 | 21 | Silk & Wietzes Motorsport | 94 | Pontiac Firebird | 1 | did not finish | 0 | |
| Aug 19 1984 | Watkins Glen International | SCCA Trans Am | 10 | 5 | Silk & Wietzes Motorsport | 94 | Pontiac Firebird | 30 | 2,650 | running | 0 |
| Sep 2 1984 | Circuit Trois-Rivières | SCCA Trans Am | 8 | 3 | Silk & Wietzes Motorsport | 94 | Pontiac Firebird | 35 | 4,400 | running | 0 |
| Sep 9 1984 | Mosport International Raceway | SCCA Trans Am | 10 | 8 | Silk & Wietzes Motorsport | 94 | Pontiac Firebird | 39 | 1,800 | running | 0 |
| May 27 1985 | Lime Rock Park | IMSA GTO/GTU | 11 | 15 | R. J. Valentine | 85 | Pontiac Firebird | 97 | running | ||
| Jun 22 1985 | Detroit Street Circuit | SCCA Trans Am | 11 | 22 | Silk-Wietzes Motorsports | 94 | Pontiac Firebird | 24 | did not finish | 0 | |
| Jul 7 1985 | Summit Point Raceway | SCCA Trans Am | 7 | 4 | Silk-Wietzes Motorsports | 94 | Pontiac Firebird | 50 | 3,850 | running | 0 |
| Jul 14 1985 | Mid-Ohio Sports Car Course | SCCA Trans Am | 12 | 33 | Silk-Wietzes Motorsports | 94 | Pontiac Firebird | 0 | did not start | 0 | |
| Aug 4 1985 | Road America | SCCA Trans Am | 9 | 6 | Silk-Wietzes Motors | 94 | Pontiac Firebird | 25 | 3,500 | running | |
| Aug 25 1985 | Watkins Glen International | SCCA Trans Am | 9 | 4 | Silk & Wietzes Motorsport | 94 | Pontiac Firebird | 30 | 3,850 | running | 0 |
| Sep 1 1985 | Circuit Trois-Rivières | SCCA Trans Am | 22 | 5 | Silk & Wietzes | 94 | Pontiac Firebird | 40 | 4,000 | running | 0 |
| Sep 8 1985 | Mosport International Raceway | SCCA Trans Am | 8 | 5 | Silk-Wietzes Motorsport | 94 | Pontiac Firebird | 40 | 3,100 | running | 0 |
| Nov 3 1985 | Streets of St. Petersburg | SCCA Trans Am | 7 | 3 | Silk-Wietzes Motorsport | 94 | Pontiac Firebird | 50 | 6,000 | running | 0 |
| Jul 13 1986 | Mid-Ohio Sports Car Course | SCCA Trans Am | 10 | 3 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 42 | 5,400 | running | 0 |
| Jul 20 1986 | Brainerd International Raceway | SCCA Trans Am | 12 | 27 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 7 | engine | 0 | |
| Jul 26 1986 | Road America | SCCA Trans Am | 7 | 32 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 7 | fuel pickup | 0 | |
| Jul 27 1986 | Road America | SCCA Trans Am | 32 | 6 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 25 | 3,500 | running | 0 |
| Aug 16 1986 | Lime Rock Park | SCCA Trans Am | 8 | 26 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 38 | accident | ||
| Aug 24 1986 | Road America | IMSA GT | 22 | 35 | Peerless/Hendrick | 76 | Peerless 861/Camaro | 87 | running | ||
| Sep 14 1986 | Mosport International Raceway | SCCA Trans Am | 9 | 29 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 6 | mechanical | 0 | |
| Oct 12 1986 | Road Atlanta | SCCA Trans Am | 13 | 13 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 36 | 1,700 | mechanical | |
| Nov 8 1986 | Tamiami Park | SCCA Trans Am | 13 | 4 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 56 | 5,000 | running | 0 |
| Nov 15 1986 | Streets of St. Petersburg | SCCA Trans Am | 13 | 6 | Silk-Wietzes Motorsports | 94 | Chevrolet Camaro | 49 | 3,500 | running | 0 |
| Feb 1 1987 | Daytona International Speedway | IMSA GT | 21 | 47 | Peerless/Hendrick | 76 | Peerless 861/Camaro | 261 | engine | ||
| Mar 21 1987 | Sebring International Raceway | IMSA GT | 11 | 19 | Peerless/Hendrick | 76 | Peerless 861/Camaro | 243 | 2,600 | engine |