PORSCHE RACING HISTORYDieter Schornstein (D)
1984 : Kyalami 1000 km - 3rd in class
23 April 1984 - Monza 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Volkert Merl (D)/Dieter Schornstein (D) | Schornstein Racing Team | 6th | 6th | 13th | 155 laps |
13 May 1984 - Silverstone 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Dieter Schornstein (D)/Volkert Merl (D)/"John Winter" Louis Krages (D) | Schornstein Racing Team | 9th | 9th | 16th | 198 laps |
17 June 1984 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Volkert Merl (D)/Dieter Schornstein (D)/"John Winter" Louis Krages (D) | Schornstein Racing Team | 5th | 5th | 17th | 339 laps |
15 July 1984 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Volkert Merl (D)/"John Winter" Louis Krages (D)/Dieter Schornstein (D) | DS Porsche Racing Team | 10th | 10th | 18th | 194 laps |
29 July 1984 - Brands Hatch 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Volkert Merl (D)/Dieter Schornstein (D)/"John Winter" Louis Krages (D) | Schornstein Racing Team | 9th | 9th | 11th | 217 laps |
2 September 1984 - Spa 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Hans Heyer (D)/Dieter Schornstein (D)/"John Winter" Louis Krages (D) | Joest Racing | 8th | 8th | 10th | 137 laps |
16 September 1984 - Imola 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Hans Heyer (D)/"John Winter" Louis Krages (D)/Dieter Schornstein (D) | Joest Racing | 7th | 7th | 12th | 190 laps |
3 November 1984 - Kyalami 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | Henri Pescarolo (F)/Dieter Schornstein (D)/"John Winter" Louis Krages (D) | Joest Racing | 9th | 3rd | 3rd | 187 laps |
2 December 1984 - Sandown Park 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 956 | 956-105 | C1 | "John Winter" Louis Krages (D)/Paul Belmondo (F)/Dieter Schornstein (D) | Joest Racing | 11th | 10th | 10th | 184 laps |