PORSCHE RACING HISTORYBrett Lunger (USA)
1979 : Riverside 6 Hours - 3rd overall : Watkins Glen 6 Hours - 3rd in class
22 April 1979 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 935/77A | 930 890 0025 | GTX | George Follmer (USA)/Brett Lunger (USA)/Derek Bell (GB) | Vasek Polak (USA) | 3rd | 3rd | 45th | 189 laps |
7 July 1979 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 935 | 930 770 0905 | Gr.5 | Elliott Forbes-Robinson (USA)/Randolph Townsend (USA)/Brett Lunger (USA) | Andial Porsche Service (USA) | 4th | 3rd | 4th | 169 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN)/Brett Lunger (USA) | Ludwig Heimrath (CDN) | 38th | 10th | 3rd | 28 laps - DNF |