PORSCHE RACING HISTORYManfred Schurti (FL)
1980 : Nürburgring 1000 km - 3rd in class : Le Mans 24 Hours - 2nd in class
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935 K3 | 000 0009 | GTX | John Fitzpatrick (GB)/Manfred Schurti (FL)/Dick Barbour (USA) | Dick Barbour Racing (USA) | 29th | 9th | 3rd | 405 laps |
25 May 1980 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935/80 | 000 00022 | Gr.5 | Bob Wollek (F)/Manfred Schurti (FL) | Gelo Racing Team Georg Loos Werbe KG (D) | 5th | 3rd | 2nd | 44 laps |
15 June 1980 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 924 Carrera GT | GTP | Jürgen Barth (D)/Manfred Schurti (FL) | Porsche System (D) | 6th | 2nd | 46th | 317 laps |