PORSCHE RACING HISTORYHeini Walter (CH)
1964
31 May 1964 - Nürburgring 1000 km - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 904 GTS | 904-033 | GT2.0 | Heini Walter (CH)/Rudolf Jenzer (D) | Heini Walter (CH) | 11th | 6th | 21st | 42 laps |