PORSCHE RACING HISTORYDick Barbour (USA)
1977
1 May 1977 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 06 | Porsche 934/5 | 930 770 0959 | GTO | Dick Barbour (USA) | Dick Barbour Performance (USA) | 31st | 20th | 24th | 43 laps |
15 May 1977 - Mid-America 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 934/5 | 930 770 0959 | GTO | Dick Barbour (USA) | Dick Barbour Performance (USA) | 11th | 8th | 10th | 31 laps - DNF |
9 July 1977 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 934/5 | 930 770 0959 | Gr.5 | Dick Barbour (USA)/Johnny Rutherford (USA) | Dick Barbour Performance (USA) | 4th | 4th | 10th | 166 laps |