PORSCHE RACING HISTORYJohn Ashford (USA)
1983
6 February 1983 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 911 Carrera RSR | 911 460 0035 | GTO | Bob Beasley (USA)/John Ashford (USA)/Jack Lewis (USA) | Bob Beasley | 71st | 37th | 45th | 52 laps - Engine |
15 May 1983 - Charlotte 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 87 | Porsche 911 Carrera RSR | 911 460 0035 | GTO | Jack Lewis (USA)/John Ashford (USA) | Bob Beasley | 15th | 7th | 30th | 122 laps |