1978 Trans-Am season Results Results

| Round | Date_ | Circuit | Winning_driver_TA2 | Winning_vehicle_TA2 | Winning_driver_TA1 | Winning_vehicle_TA1_ |
|---|---|---|---|---|---|---|
| 8 | September 4 | Road America | Greg Pickett | Chevrolet Corvette | Bob Tullius | Jaguar XJS |
| 9 | October 8 | Laguna Seca | Greg Pickett | Chevrolet Corvette | Bob Tullius | Jaguar XJS |
| 10 | November 5 | Mexico City | Ludwig Heimrath | Porsche 935 | Bob Tullius | Jaguar XJS |