Kraj:
Stany Zjednoczone
Data urodzenia:1948-07-21 (72 lata 162 dni)
Miejsce urodzenia:Midland, Michigan
Ilość zwycięstw:15 (w tym 1 w Mistrzostwach Świata)
| LP | Seria | Sezon | Data | Klasa | Tor/Rajd | Pojazd | Zespół/Zgłaszający |
|---|---|---|---|---|---|---|---|
| 1 | IMSA GT Championship | 1975 | 1975.06.14 | GTU |  Mosport Park |
Datsun 240Z |  Transcendental Racing |
| 2 | IMSA GT Championship | 1975 | 1975.07.20 | GTU | Mid-America |
Datsun Z | Transcendental Racing |
| 3 | IMSA GT Championship | 1975 | 1975.08.09 | GTU | Talladega |
Datsun Z | Transcendental Racing |
| 4 | IMSA GT Championship | 1976 | 1976.04.11 | GTU | Road Atlanta |
Datsun Z | Transcendental Racing |
| 5 | IMSA GT Championship | 1976 | 1976.05.31 | GTU | Lime Rock Park |
Datsun Z | Transcendental Racing |
| 6 | IMSA GT Championship | 1976 | 1976.06.06 | GTU | Mid-Ohio |
Datsun Z | Transcendental Racing |
| 7 | IMSA GT Championship | 1976 | 1976.07.04 | GTU | Daytona |
Datsun Z | Transcendental Racing |
| 8 | IMSA GT Championship | 1976 | 1976.08.07 | GTU | Talladega |
Datsun Z | Transcendental Racing |
| 9 | IMSA GT Championship | 1976 | 1976.08.29 | GTU | Mid-Ohio |
Datsun Z | Transcendental Racing |
| 10 | IMSA GT Championship | 1976 | 1976.09.19 | GTU | Road Atlanta |
Datsun Z | Transcendental Racing |
| 11 | IMSA GT Championship | 1976 | 1976.11.28 | GTU | Daytona |
Datsun Z | Transcendental Racing |
| 12 | IMSA GT Championship | 1977 | 1977.03.19 | GTO | Sebring |
Porsche Carrera RSR | George Dyer Racing |
| 13* | Mistrzostwa Świata Producentów | 1978 | 1978.04.02 | Talladega |
Porsche 935 Turbo | Brumos Porsche |
|
| IMSA GT Championship | 1978 | 1978.04.02 | GTX | ||||
| 14 | IMSA GT Championship | 1980 | 1980.03.22 | GTU | Sebring |
Mazda RX-7 | Mandeville Racing |
| 15 | IMSA GT Championship | 1980 | 1980.04.27 | GTU | Riverside |
Mazda RX-7 | Brad Frisselle Racing |
| Zwycięstwa wg roku | |||||
|---|---|---|---|---|---|
|
3
1975
|
8
1976
|
1
1977
|
1
1978
|
1979
|
2
1980
|
| LP | Tor | Ilość zwycięstw |
|---|---|---|
| 1 | Talladega |
3 |
| 2 | Road Atlanta |
2 |
| 3 | Mid-Ohio |
2 |
| 4 | Daytona |
2 |
| 5 | Sebring |
2 |
| 6 | Mosport Park |
1 |
| 7 | Mid-America |
1 |
| 8 | Lime Rock Park |
1 |
| 9 | Riverside |
1 |
| LP | Producent | Ilość zwycięstw |
|---|---|---|
| 1 |  Datsun |
11 |
| 2 |  Porsche |
2 |
| 3 | Mazda |
2 |
| LP | Partner | Ilość zwycięstw |
|---|---|---|
| 1 | John Morton |
2 |
| 2 | George Dyer |
1 |
| 3 | Peter Gregg |
1 |
| 4 | Jim Downing |
1 |
| 5 | Roger Mandeville |
1 |
| 6 | Yoshimi Katayama |
1 |