PORSCHE RACING HISTORYManfred Winkelhock (D)
1984
15 July 1984 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 956 B | 956-115 | C1 | Manfred Winkelhock (D)/Marc Surer (CH) | Porsche Kremer Racing (D) | 5th | 5th | 8th | 204 laps |
30 September 1984 - Fuji 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 956 | 956-101 | C1 | Mike Thackwell (NZ)/Manfred Winkelhock (D) | Porsche Kremer Racing (D) | 5th | 5th | 6th | 216 laps |
2 December 1984 - Sandown Park 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 956 B | 956-115 | C1 | Rusty French (AUS)/Manfred Winkelhock (D) | Porsche Kremer Racing (D) | 5th | 5th | 5th | 200 laps |