PORSCHE RACING HISTORYWalter Brun (CH)
1984 : Spa 1000 km - 3rd overall
23 April 1984 - Monza 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 956 | 956-101 | C1 | Hans-Joachim Stuck (D)/Harald Grohs (D)/Walter Brun (CH) | Brun Motorsport/Kremer | 4th | 4th | 6th | 167 laps |
13 May 1984 - Silverstone 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 956 B | 956-116 | C1 | Walter Brun (CH)/Vern Schuppan (AUS) | Brun Motorsport | 11th | 11th | 12th | 192 laps |
17 June 1984 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 956 | 956-116 | C1 | Walter Brun (CH)/Leopold von Bayern (D)/Bob Akin (USA) | Brun Motorsport | 4th | 4th | 18th | 339 laps |
15 July 1984 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 956 | 956-101 | C1 | Walter Brun (CH)/Leopold von Bayern (D) | Brun Motorsport | 9th | 9th | 12th | 196 laps |
29 July 1984 - Brands Hatch 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 956 | 956-111 | C1 | Walter Brun (CH)/Leopold von Bayern (D) | Brun Motorsport | 8th | 8th | 9th | 221 laps |
5 August 1984 - Mosport 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 956 | 956-111 | C1 | Oscar Larrauri (RA)/Walter Brun (CH) | Brun Motorsport | DNF | 3rd | 204 laps - Transmission |
2 September 1984 - Spa 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 956 | 956-116 | C1 | Hans-Joachim Stuck (D)/Harald Grohs (D)/Walter Brun (CH) | Brun Motorsport | 3rd | 3rd | 5th | 142 laps |
16 September 1984 - Imola 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 956 B | 956-115 | C1 | Walter Brun (CH)/George Fouché (ZA)/Leopold von Bayern (D) | Brun Motorsport | 4th | 4th | 9th | 195 laps |