PORSCHE RACING HISTORYKlaus Bytzek (CDN)
1978
25 June 1978 - Trans-Am Mont-Tremblant - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 911 Carrera RSR | TA-II | Klaus Bytzek (CDN) | Bytzek Automotive (CDN) | 7th | 5th | 10th | 36 laps |
19 August 1978 - Trans-Am Mosport - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 911 Carrera RSR | TA-II | Klaus Bytzek (CDN) | Bytzek Automotive (CDN) | 14th | 8th | 13th | 37 laps |