PORSCHE RACING HISTORYClaude Haldi (CH)
1977
20 March 1977 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 934 | 930 670 0171 | GT | Claude Haldi (CH)/Laurent Ferrier (F) | Schiller Racing Team (CH) | 7th | 4th | 8th | 144 laps |
12 June 1977 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 60 | Porsche 934 | 930 670 0178 | GT | Claude Haldi (CH)/Florian Vetsch (CH)/Angelo Pallavicini (CH) | Schiller Racing (CH) | DNF | 21st | 123 laps - Engine |
3 July 1977 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 80 | Porsche 934 | 930 670 0171 | Div.I | Claude Haldi (CH) | Claude Haldi (CH) | 7th | 9th | 63 laps |