PORSCHE RACING HISTORYNorm Ridgely (CDN)
1980 : Mosport 6 Hours - 3rd in class
17 August 1980 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 50 | Porsche 911 S | GTO | Fritz Hochreuter (CDN)/Rainer Brezinka (CDN)/Norm Ridgely (CDN) | Fritz Hochreuter (CDN) | 15th | 3rd | 31st | 204 laps |