PORSCHE RACING HISTORYPorsche 917 - Chassis No. 917-004
1 June 1969 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 61 | Porsche 917 | 917-004 | S5.0 | Frank Gardner (AUS)/David Piper (GB) | Porsche System Engineering Ltd. (D) | 8th | 2nd | 10th | 40 laps |
12 April 1970 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 917 K | 917-004 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | J. W. Automotive Engineering Ltd. (GB) | DNF | 5th | 176 laps - Accident |
17 May 1970 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 25 | Porsche 917 K | 917-004 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI) | J. W. Automotive Engineering (GB) | DNF | 1st | 44 laps - Oil Pipe, Gearbox |
16 June 1970 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 917 K | 917-004 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | John Wyer Automotive Engineering (GB) | DNF | 3rd | 156 laps - Engine |
31 January 1971 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 917 K | 917-004 | S | Jo Siffert (CH)/Derek Bell (GB) | J. W. Automotive Engineering (GB) | DNF | 4th | 113 laps - Engine |
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 917 K | 917-004 | S5.0 | Jo Siffert (CH)/Derek Bell (GB) | J. W. Automotive (GB) | 2nd | 2nd | 7th | 171 laps |