PORSCHE RACING HISTORYPorsche 911 Carrera RSR - Chassis No. 911 460 9077
23 March 1975 - Mugello 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 911 Carrera RSR | 911 460 9077 | GT | Mario Casoni (I)/Toine Hezemans (NL)/Manfred Schurti (FL) | Gelo Racing Team (D) | 11th | 3rd | 21st | 133 laps |
20 April 1975 - Monza 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 78 | Porsche 911 Carrera RSR | 911 460 9077 | S3.0 | John Fitzpatrick (GB)/Toine Hezemans (NL)/Manfred Schurti (FL) | Gelo Racing Team (D) | 7th | 6th | 25th | 158 laps |
4 May 1975 - Spa 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 911 Carrera RSR | 911 460 9077 | GT | Toine Hezemans (NL)/Tim Schenken (AUS)/John Fitzpatrick (GB) | Gelo Racing (D) | 9th | 5th | 20th | 47 laps |
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 911 Carrera RSR | 911 460 9077 | GT+1.6 | Manfred Schurti (FL)/Klaus Ludwig (D) | GELO-Racing-Team, Georg Loos KG (D) | DNF | 41st | 27 laps - Engine |
15 June 1975 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 Carrera RSR | 911 460 9077 | GTS | Tim Schenken (AUS)/Howden Ganley (NZ) | Gelo Racing Team (D) | DNF | 26th | 106 laps - Gearbox |
29 June 1975 - European GT Championship Norisring - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 911 Carrera RSR | 911 460 9077 | GT3.0 | Tim Schenken (AUS) | Gelo Racing Team Georg Loos (D) | 3rd | 66 laps |
17 August 1975 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 Carrera RSR | 911 460 9077 | Div.1 | Tim Schenken (AUS) | Gelo Racing Team Georg Loos (D) | 3rd | 3rd | 6th | 40 laps |
4 April 1976 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 911 Carrera RSR | 911 460 9077 | Gr.5 | Franco Bernabei (I)/Gianluigi Picchi (I) | Gelo Racing (D) | 10th | 7th | 7th | 229 laps |