PORSCHE RACING HISTORYManfred Schurti (FL)
1975 : Mugello 1000 Km - 1st in class : Mugello 1000 Km - 3rd in class : Nürburgring 1000 Km - 2nd in class : Monza 6 Hours - 3rd overall
23 March 1975 - Mugello 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 44 | Porsche 911 Carrera RSR | 911 460 9040 | GT | Manfred Schurti (FL)/Toine Hezemans (NL)/John Fitzpatrick (GB) | Gelo Racing Team (D) | 9th | 1st | 24th | 134 laps |
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 |
13 April 1975 - Interserie Hockenheim Jim Clark - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 88 | Porsche 908/03-6 Turbo | 908/03-006 | Div. II | Manfred Schurti (FL) | Dr. Hermann Dannesberger (D) | DNF |
20 April 1975 - Monza 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 77 | Porsche 911 Carrera RSR | 911 460 9040 | S3.0 | Toine Hezemans (NL)/Manfred Schurti (FL)/John Fitzpatrick (GB) | Gelo Racing Team (D) | 6th | 5th | 33rd | 159 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 |
| 44 | Porsche 911 Carrera RSR | 911 460 9040 | GT | John Fitzpatrick (GB)/Manfred Schurti (FL)/Tim Schenken (AUS) | Gelo Racing (D) | 11th | 6th | 17th | 45 laps |
1 June 1975 - Nürburgring 1000 Km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 911 Carrera RSR | 005 0005 | GT+1.6 | John Fitzpatrick (GB)/Toine Hezemans (NL)/Manfred Schurti (FL) | GELO-Racing-Team, Georg Loos KG (D) | 9th | 2nd | 19th | 40 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 |
| 60 | Porsche 911 Carrera RSR | 911 460 9040 | GTS | Toine Hezemans (NL)/Manfred Schurti (FL) | Gelo Racing Team (D) | DNF | 23rd | 41 laps - Accident |
28 September 1975 - Monza 6 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 911 Carrera RSR | GT3.0 | Toine Hezemans (NL)/Mario Casoni (I)/Manfred Schurti (FL)/John Fitzpatrick (GB) | Gelo Racing Team (D) | 3rd | 3rd | 2nd | 191 laps |
28 September 1975 - Monza 6 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 911 Carrera RSR | GT3.0 | John Fitzpatrick (GB)/Manfred Schurti (FL) | Gelo Racing Team (D) | DNF | 1st |