PORSCHE RACING HISTORYPorsche 935 - Chassis No. 930 890 0037
1978 Became 935 JLP-1
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 | 930 890 0037 | GTX | Brian Redman (GB)/Charles Mendez (USA)/Bob Garretson (USA) | Dick Barbour Performance (USA) | 1st | 1st | 5th | 240 laps |
2 April 1978 - Talladega 6 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 | 930 890 0037 | GTX | John Paul Sr. (USA)/Bob Bondurant (USA) | Dick Barbour (USA) | 18th | 8th | 6th | 133 laps - Accident |