PORSCHE RACING HISTORYDave Cowart (USA)
1976 : Daytona 24 Hours - 2nd in class : Sebring 12 Hours - 2nd in class
1 February 1976 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 29 | Porsche 911 T | 1290486 | GTU | Charles Mendez (USA)/Dave Cowart (USA)/Dave Panaccione (USA) | Charles Mendez | 11th | 2nd | 37th | 480 laps |
20 March 1976 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 911 T | 1290486 | GTU | Charles Mendez (USA)/Dave Cowart (USA) | Charles Mendez Jr. | 12th | 2nd | 34th | 206 laps |