Bob Tullius (TA1)
Greg Pickett (TA2)
Mistrz producentów
Jaguar (TA1)
Chevrolet (TA2)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Sears Point | 1978.05.21 | TA1 | Chevrolet Corvette |  Gene Bothello | |
| TA2 | Chevrolet Corvette | Pickett Racing | ||||
| 2 |  Westwood | 1978.06.04 | TA1 | Chevrolet Corvette | Metamorphic | |
| TA2 | Porsche 935 | Heimrath Racing | ||||
| 3 | Portland | 1978.06.11 | TA1 | Chevrolet Corvette | El Camino Auto Parts | |
| TA2 | Chevrolet Monza | Lancer Stores | ||||
| 4 | St Jovite | 1978.06.25 | TA1 | Jaguar XJS | Group 44 | |
| TA2 | Porsche 935 | Monte's Motors | ||||
| 5 | Watkins Glen | 1978.07.08 | TA1 | Jaguar XJS | Group 44 | |
| TA2 | Porsche 935 | Hal Shaw Racing | ||||
| Gr. 5 | Porsche 935/77A |  GeLo Racing | ||||
| 6 | Brainerd | 1978.08.13 | TA1 | Jaguar XJS | Group 44 | |
| TA2 | Chevrolet Monza | | ||||
| 7 | Mosport Park | 1978.08.19 | TA1 | Jaguar XJS | Group 44 | |
| TA2 | Chevrolet Corvette | Pickett Racing | ||||
| 8 | Road America | 1978.09.04 | TA1 | Jaguar XJS | Group 44 | |
| TA2 | Chevrolet Corvette | Pickett Racing | ||||
| 9 | Laguna Seca | 1978.10.08 | TA1 | Jaguar XJS | Group 44 | |
| TA2 | Chevrolet Corvette | Pickett Racing | ||||
| 10 |  Mexico | 1978.11.05 | TA1 | Jaguar XJS | Group 44 | |
| TA2 | Porsche 935 | Heimrath Racing |
