PORSCHE RACING HISTORY917 K
Wikipedia
917 K (Kurzheck or ‘short tail’), Developed by John Wyer’s private Porsche team.
1970 1971 1972The initial 917 was found to be aerodynamically unstable, for the 1970 season John Wyer Automotive were onboard to campaign the car with full factory support. They accelerated the introduction of the Kurzheck, or short-tail, bodywork. This dramatically stabilised the car for the 1970 season, culminating in that famous maiden win for Porsche at Le Mans
1970
1 February 1970 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917 K | 917-015 | S | Pedro Rodríguez (MEX)/Leo Kinnunen (FI)/Brian Redman (GB) | J. W. Engineering (GB) | 1st | 1st | 3rd | 724 laps |
| 1 | Porsche 917 K | 917-014 | S | Jo Siffert (CH)/Brian Redman (GB) | J. W. Engineering (GB) | 2nd | 2nd | 2nd | 679 laps |
| 3 | Porsche 917 K | 917-011 | S | Kurt Ahrens Jr. (D)/Vic Elford (GB) | Porsche Konstruktionen KG (A) | DNF | 4th | 337 laps - Fuel Tank |
21 March 1970 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 917 K | 917-013 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI)/Jo Siffert (CH) | J. W. Automotive Engineering Ltd. (GB) | 4th | 2nd | 5th | 244 laps |
| 14 | Porsche 917 K | 917-009 | S5.0 | Jo Siffert (CH)/Brian Redman (GB)/Leo Kinnunen (FI) | J. W. Automotive Engineering Ltd. (GB) | DNF | 2nd | 211 laps - Accident Damage | |
| 16 | Porsche 917 K | 917-019 | S5.0 | Vic Elford (GB)/Kurt Ahrens Jr. (D) | Porsche Audi (USA) | DNF | 3rd | 61 laps - Accident | |
| 17 | Porsche 917 K | 917-020 | S5.0 | Hans Herrmann (D)/Rudi Lins (A) | Porsche Audi (USA) | DNF | 11th | 28 laps - Engine |
12 April 1970 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 917 K | 917-016 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI) | J. W. Automotive Engineering Ltd. (GB) | 1st | 1st | 7th | 235 laps |
| 11 | Porsche 917 K | 917-023 | S5.0 | Vic Elford (GB)/Denny Hulme (NZ) | Porsche Konstruktionen KG. Salzburg (A) | 2nd | 2nd | 3rd | 230 laps |
| 12 | Porsche 917 K | 917-020 | S5.0 | Richard Attwood (GB)/Hans Herrmann (D) | Porsche Konstruktionen KG. Salzburg (A) | 3rd | 3rd | 9th | 227 laps |
| 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 |
25 April 1970 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 917 K | 917-016 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI) | J. W. Automotive Engineering Ltd. (GB) | 1st | 1st | 5th | 174 laps |
| 14 | Porsche 917 K | 917-007 | S5.0 | Jürgen Neuhaus (D)/Helmut Kelleners (D) | Gesipa Racing Team (D) | 10th | 7th | 7th | 162 laps |
| 12 | Porsche 917 K | 917-021 | S5.0 | Hans Laine (FIN)/Gijs van Lennep (NL) | Racing Team AAW (FIN) | 11th | 8th | 9th | 162 laps |
| 8 | Porsche 917 K | 917-009 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | J. W. Automotive Engineering Ltd. (GB) | 12th | 9th | 1st | 158 laps |
| 10 | Porsche 917 K | 917-023 | S5.0 | Vic Elford (GB)/Kurt Ahrens Jr. (D) | Porsche Konstrukzion Salzburg (A) | DNF | 3rd | 92 laps - Puncture Damage | |
| 9 | Porsche 917 K | 917-020 | S5.0 | Hans Herrmann (D)/Richard Attwood (GB) | Porsche Konstrukzion Salzburg (A) | DNF | 8th | 63 laps - Engine | |
| 11 | Porsche 917 K | 917-010 | S5.0 | Tony Adamowicz (USA)/David Piper (GB) | David Piper (GB) | DNF | 17th | 55 laps - Gearbox Shift Selector |
17 May 1970 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 917 K | 917-014 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | J. W. Automotive Engineering (GB) | 1st | 1st | 2nd | 71 laps |
| 28 | Porsche 917 K | 917-023 | S5.0 | Vic Elford (GB)/Kurt Ahrens Jr. (D) | Porsche Salzburg (A) | 3rd | 3rd | 12th | 70 laps |
| 43 | Porsche 917 K | 917-021 | S5.0 | Hans Laine (FIN)/Gijs van Lennep (NL) | Racing Team AAW (FIN) | 5th | 5th | 6th | 68 laps |
| 29 | Porsche 917 K | 917-020 | S5.0 | Richard Attwood (GB)/Hans Herrmann (D) | Porsche Salzburg (A) | 6th | 6th | 8th | 68 laps |
| 30 | Porsche 917 K | 917-007 | S5.0 | Jürgen Neuhaus (D)/Helmut Kelleners (D) | Gesipa Racing Team (D) | 17th | 4th | 54 laps - Collision with Wicky | |
| 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 |
31 May 1970 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 54 | Porsche 917 K | 917-007 | S5.0 | Jürgen Neuhaus (D)/Helmut Kelleners (D) | Gesipa Racing Team (D) | DNF | 9th | 9 laps - Wheel Bearing |
16 June 1970 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917 K | 917-023 | S5.0 | Richard Attwood (GB)/Hans Herrmann (D) | Porsche KG Salzburg (A) | 1st | 1st | 15th | 343 laps |
| 20 | Porsche 917 K | 917-004 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | John Wyer Automotive Engineering (GB) | DNF | 3rd | 156 laps - Engine | |
| 18 | Porsche 917 K | 917-021 | S5.0 | Gijs van Lennep (NL)/David Piper (GB) | Team AAW (D) | DNF | 11th | 112 laps - Accident | |
| 22 | Porsche 917 K | 917-026 | S5.0 | David Hobbs (GB)/Mike Hailwood (GB) | John Wyer Automotive Engineering (GB) | DNF | 10th | 49 laps - Accident | |
| 21 | Porsche 917 K | 917-016 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI) | John Wyer Automotive Engineering (GB) | DNF | 5th | 22 laps - Engine |
28 June 1970 - Interserie Norisring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 917 K | 917-007 | SRP+3.0 | Jürgen Neuhaus (D) | Gesipa GmbH (D) | 1st | 1st | 6th | 82 laps |
| 8 | Porsche 917 K | 917-021 | SRP+3.0 | Gijs van Lennep (NL) | Racing Team AAW (FIN) | 2nd | 2nd | 2nd | 82 laps |
5 July 1970 - Interserie Hockenheim Südwestpokal - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 917 K | 917-021 | Gijs van Lennep (NL) | Racing Team AAW (FIN) | 2nd | 4th | 30 laps | ||
| 11 | Porsche 917 K | 917-010 | David Piper (GB) | David Piper (GB) | 4th | 6th | 30 laps | ||
| 16 | Porsche 917 K | 917-007 | Jürgen Neuhaus (D) | Gesipa Racing Team (D) | 6th | 5th | 30 laps | ||
| 30 | Porsche 917 K | 917-025 | Dominique Martin (CH) | Zitro Racing Cars (F) | 11th | 13th | 29 laps |
11 July 1970 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917 K | 917-016 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI) | J. W. Automotive Engineering Ltd. (GB) | 1st | 1st | 3rd | 308 laps |
| 1 | Porsche 917 K | 917-014 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | J. W. Automotive Engineering Ltd. (GB) | 2nd | 2nd | 1st | 308 laps |
| 31 | Porsche 917 K | 917-019 | S5.0 | Vic Elford (GB)/Denny Hulme (NZ) | Porsche Audi Division (USA) | 4th | 4th | 7th | 302 laps |
| 32 | Porsche 917 K | 917-020 | S5.0 | Richard Attwood (GB)/Kurt Ahrens Jr. (D) | Porsche Audi Division (USA) | 6th | 6th | 6th | 295 laps |
| 35 | Porsche 917 K | 917-021 | S5.0 | Gijs van Lennep (NL)/Gérard Larrousse (F) | International Martini & Rossi Racing Team (D) | 9th | 8th | 5th | 260 laps |
12 July 1970 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 917 K | 917-014 | Jo Siffert (CH) | John Wyer Automotive (GB) | 2nd | 12th | 87 laps | ||
| 32 | Porsche 917 K | 917-020 | Richard Attwood (GB) | Salzburg KG | 3rd | 15th | 85 laps | ||
| 31 | Porsche 917 K | 917-019 | Vic Elford (GB) | Salzburg KG | 4th | 9th | 85 laps | ||
| 35 | Porsche 917 K | 917-021 | Gijs van Lennep (NL) | Martini Racing Team | 6th | 17th | 83 laps | ||
| 6 | Porsche 917 K | 917-015 | Brian Redman (GB) | John Wyer Automotive (GB) | 7th | 11th | 82 laps | ||
| 2 | Porsche 917 K | 917-016 | Pedro Rodríguez (MEX) | John Wyer Automotive (GB) | DNF | 10th | 31 laps - Transmission |
11 October 1970 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917 K | 917-031 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | J. W. Automotive (GB) | 1st | 1st | 5th | 170 laps |
| 21 | Porsche 917 K | 917-023 | S5.0 | Vic Elford (GB)/Richard Attwood (GB) | Porsche KG Salzburg (A) | 4th | 2nd | 4th | 162 laps |
| 20 | Porsche 917 K | 917-020 | S5.0 | Kurt Ahrens Jr. (D)/Helmut Marko (A) | Porsche KG Salzburg (A) | DNF | 3rd | Out of Fuel | |
| 22 | Porsche 917 K | 917-016 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI) | J. W. Automotive (GB) | DNF | 1st | 4 laps - Valves |