PORSCHE RACING HISTORYFritz Hochreuter (CDN)
1977 : Sebring 12 Hours - 1st in class
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 50 | Porsche 911 S | GTU | Gerhard Hirsch (CDN)/Fritz Hochreuter (CDN)/Rainer Brezinka (CDN) | Motex Auto (CDN) | 8th | 1st | 51st | 203 laps |
9 November 1977 - Trans-Am Mont-Tremblant - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 50 | Porsche 911 S | TA-I | Fritz Hochreuter (CDN) | Fritz Hochreuter (CDN) | 27th | 12th | 22nd | 9 laps |