PORSCHE RACING HISTORYDave Cowart (USA)
1977 : Daytona 24 Hours - 3rd in class
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 911 T | 1290486 | GTU | Charles Mendez (USA)/Dave Cowart (USA)/Dave Panaccione (USA) | Charles Mendez | 9th | 3rd | 37th | 591 laps |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 911 Carrera RSR | 911 560 9114 | GTO | Charles Mendez (USA)/Dave Cowart (USA) | Morrison's Inc. | 10th | 8th | 17th | 197 laps |
15 May 1977 - Mid-America 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 911 Carrera RSR | 911 560 9114 | GTO | Dave Cowart (USA) | Morrison's Inc. | 7th | 7th | 17th | 34 laps |