PORSCHE RACING HISTORYRon Coupland (USA)
1977
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 914/6 | GTU | John Hulen (USA)/Ron Coupland (USA)/Dave Causey (USA) | John Hulen (USA) | 25th | 10th | 37th | 157 laps |
15 May 1977 - Mid-America 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 914/6 | GTU | Ron Coupland (USA) | Ron Coupland (USA) | 23rd | 11th | 12th | 10 laps - DNF |