PORSCHE RACING HISTORY1979 - Trans-Am Watkins Glen
5 August 1979 - Watkins Glen, USA
John Paul Sr. wins in a Porsche 935 JLP-1
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 935 JLP-1 | JLP-1 | TA-II | John Paul Sr. (USA) | JLP Racing (USA) | 1st | 1st | 1st | 30 laps |
| 7 | Porsche 935 | 930 770 0958 | TA-II | Ludwig Heimrath, Sr (CDN) | Ludwig Heimrath (CDN) | 5th | 4th | 2nd | 29 laps |
| 09 | Porsche 935/77A | 930 890 0021 | TA-II | Preston Henn (USA) | Michelob (USA) | 11th | 6th | 5th | 27 laps |
| 23 | Porsche 914/6 | 473 29 24107 | TA-I | Bob Zulkowski (USA) | Metal Craft Racing (USA) | 30th | 23rd | 30th | 2 laps - Clutch |
Trans-Am
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