PORSCHE RACING HISTORYJohn Bauer (USA)
1986 : Watkins Glen 500 Miles - 3rd in class
8 June 1986 - Mid-Ohio 250 km IMSA GTO - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 91 | Porsche 934 | 009 00030 | GTO | Chester Vincentz (USA)/John Bauer (USA) | Electrodyne Performance | 20th | 9th | 8th | 57 laps - DNF |
6 July 1986 - Watkins Glen 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 91 | Porsche 934 | 009 00030 | GTO | Chester Vincentz (USA)/John Bauer (USA) | Electrodyne Performance | 14th | 3rd | 27th | 133 laps |
24 August 1986 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 91 | Porsche 934 | 009 00030 | GTO | Chester Vincentz (USA)/John Bauer (USA) | Electrodyne Performance | 38th | 9th | 26th | 82 laps - Mechanical |
20 September 1986 - Watkins Glen 500 km GT - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 91 | Porsche 934 | 009 00030 | GTO | Chester Vincentz (USA)/John Bauer (USA) | Electrodyne Performance | 6th | 6th | 10th | 53 laps |