PORSCHE RACING HISTORYWerner Frank (USA)
1983
6 February 1983 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 03 | Porsche 935 | GTP | Angelo Pallavicini (CH)/Werner Frank (USA) | Angelo Pallavicini (CH) | 74th | 17th | 28th | 24 laps - Engine |
19 June 1983 - Mid-Ohio 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 03 | Porsche 934 | 930 670 0162 | GTO | Werner Frank (USA)/Rick Borlase (USA) | Toyota Village (USA) | 12th | 4th | 22nd | 190 laps |
21 August 1983 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 56 | Porsche 934 | 930 670 0162 | GTO | Rick Borlase (USA)/Werner Frank (USA) | Rick Borlase (USA) | 36th | 12th | 44th | 53 laps - DNF |