PORSCHE RACING HISTORYKlaus Ludwig (D)
1986 : Norisring 100 Mile - 1st overall : Brands Hatch 1000 km - 2nd overall
20 April 1986 - Monza 360 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 956 B | 956-117 | C1 | Klaus Ludwig (D)/Paolo Barilla (I) | Joest Racing (D) | DNF | 2nd | 50 laps - Clutch |
1 June 1986 - Le Mans 24 Hours - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 956 B | 956-117 | C1 | Klaus Ludwig (D)/Paolo Barilla (I)/"John Winter" Louis Krages (D) | Joest Racing (D) | DNF | 3rd | 196 laps - Engine |
29 June 1986 - Norisring 100 Mile - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 956 B | 956-117 | C1 | Klaus Ludwig (D) | Blaupunkt-Joest Racing (D) | 1st | 1st | 2nd | 79 laps |
20 July 1986 - Brands Hatch 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 956 B | 956-117 | C1 | Klaus Ludwig (D)/Hans-Joachim Stuck (D)/Derek Bell (GB) | Joest Racing (D) | 2nd | 2nd | 1st | 232 laps |
20 July 1986 - Brands Hatch 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 956 | 956-104 | C1 | Paolo Barilla (I)/Klaus Ludwig (D)/"John Winter" Louis Krages (D) | Joest Racing (D) | 5th | 5th | 8th | 230 laps |
15 September 1986 - Spa 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 956 B | 956-117 | C1 | Paolo Barilla (I)/Klaus Ludwig (D) | Blaupunkt Joest Racing (D) | 4th | 4th | 10th | 144 laps |