PORSCHE RACING HISTORYRon Brown (USA)
1977
30 May 1977 - Trans-Am Kent - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 934/5 | 930 770 0960 | TA-II | Ron Brown (USA) | 36th | 10th | 9th | 1 lap - Accident |
12 June 1977 - Trans-Am Portland - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 934/5 | 930 770 0960 | TA-II | Ron Brown (USA) | Ron Brown Enterprises (USA) | 7th | 5th | 11th | 48 laps |