Round | Circuit | Date | Class | Winner | Vehicle * | Entrant |
---|---|---|---|---|---|---|
1 | Daytona Daytona 24 godziny | 1978.02.04 - 02.05 | GTX | Porsche 935 Turbo | Brumos Porsche | |
2 | Sebring Sebring 12 godzin | 1978.03.18 | GTX | Porsche 935 | Dick Barbour Performance | |
3 | Talladega | 1978.04.02 | GTX | Porsche 935 Turbo | Brumos Porsche | |
4 | Road Atlanta | 1978.04.16 | GTX | Porsche 935 Turbo | Brumos Porsche Audi | |
5 | Laguna Seca | 1978.04.30 | GTX | Porsche 935 Turbo | Vasek Polak | |
6 | Hallett | 1978.05.07 | GTX | BMW 320i | McLaren North America | |
7 | Lime Rock Park | 1978.05.29 | GTX | Porsche 935 Turbo | Brumos Porsche | |
8 | Brainerd | 1978.06.18 | GTX | Porsche 935 Turbo | Brumos Porsche | |
9 | Daytona | 1978.07.04 | GTX | Porsche 935 Turbo | Brumos Porsche | |
10 | Sears Point | 1978.07.30 | GTX | BMW 320i | McLaren North America | |
11 | Portland | 1978.08.06 | GTX | Porsche 935 Turbo | Brumos Porsche | |
12 | Mid-Ohio Sports Car Course | 1978.08.27 | GTX | Porsche 935 Turbo | Whittington Brothers Racing | |
13 | Road Atlanta | 1978.09.04 | GTX | Porsche 935 Turbo | Brumos Porsche | |
14 | Daytona | 1978.11.26 | GTX | Porsche 935 Turbo | Brumos Porsche |