PORSCHE RACING HISTORYHorst Petermann (CDN)
1970 : Watkins Glen 6 Hours - 3rd in class
1 February 1970 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 906 | 906-132 | S | Rainer Brezinka (CDN)/Horst Petermann (CDN)/Rudy Bartling (CDN) | Rainer Brezinka (CDN) | DNF | 60th | 96 laps - Engine |
11 July 1970 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 906 | 906-132 | S2.0 | Rainer Brezinka (CDN)/Horst Petermann (CDN)/Rudy Bartling (CDN) | Rainer Brezinka (CDN) | 15th | 3rd | 20th | 231 laps |