PORSCHE RACING HISTORYChester Vincentz (USA)
1980 : Watkins Glen 6 Hours - 1st in class
13 April 1980 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 934 | 930 670 0167 | GTO | Chester Vincentz (USA) | Electrodyne Racing (USA) | 29th | 14th | 31st | 15 laps |
5 July 1980 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 36 | Porsche 934 | 930 670 0167 | GT | Bruce Jenner (USA)/Chester Vincentz (USA)/Bob Garretson (USA) | Electrodyne Racing (USA) | 18th | 1st | 32nd | 102 laps |
21 September 1980 - Road Atlanta 50 Miles - Heat 1 - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 934 | 930 670 0167 | GTO | Chester Vincentz (USA) | Electrodyne Racing (USA) | 27th | 13th | 37th | 8 laps - DNF |