PORSCHE RACING HISTORYPorsche 935 - Chassis No. 930 770 0908
27 March 1977 - DRM Nürburgring 300 Km - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 935 | 930 770 0908 | Div. I | Rolf Stommelen (D) | Gelo-Racing-Team Georg Loos KG (D) | 1st | 1st | 1st | 7 laps |
12 June 1977 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 935 | 930 770 0908 | Gr.5 | Tim Schenken (AUS)/Toine Hezemans (NL)/Hans Heyer (D) | Gelo Racing Team (D) | DNF | 9th | 15 laps - Engine |
3 July 1977 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 935 | 930 770 0908 | Div.I | Rolf Stommelen (D) | Gelo Racing Team Georg Loos Werbe KG (D) | 1st | 1st | 70 laps |
30 July 1977 - DRM Hockenheim Grand Prix - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 66 | Porsche 935 | 930 770 0908 | Div.I | Rolf Stommelen (D) | Gelo Racing Team Georg Loos Werbe KG (D) | 2nd | 3rd | 20 laps |