PORSCHE RACING HISTORYDavid McClain (USA)
1976 : Sebring 12 Hours - 1st in class
1 February 1976 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 67 | Porsche 914/6 | GTU | Dave White (USA)/Frank Harmstad (USA)/David McClain (USA) | David McClain (USA) | 52nd | 20th | 46th | 148 laps - Gearbox |
20 March 1976 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 67 | Porsche 911 Carrera S | 911 360 0701 | GTU | Dave White (USA)/David McClain (USA) | Havatampa Cigar | 9th | 1st | 20th | 209 laps |