PORSCHE RACING HISTORY1983 - Laguna Seca 100 Miles
1 May 1983 - Laguna Seca Raceway, USA
Wayne Baker 9th overall and 5th in GTO class, 6 laps behind the winning March 83G driven by Al Holbert
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 934 | 009 00030 | GTO | Wayne Baker (USA) | Personalized Autohaus (USA) | 9th | 5th | 12th | 47 laps |
| 49 | Porsche 911 Carrera RSR | 12803002 | GTO | Bob Copeman (USA) | Copeman Racing (USA) | 22nd | 13th | 18th | 9 laps - DNF |
| 8 | Porsche 911 Carrera | 453360 | GTO | John Johnson (USA) | John Johnson (USA) | 25th | 16th | 21st | 2 laps - DNF |
IMSA - International Motor Sport Association
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