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Porsche Salzburg's Porsche 917/03 #003, driven by Hans Herrmann (D) and Vic Elford (GB)

1000 km Zeltweg 1971: Martini International Racing Team's Porsche 917K #030, driven by Helmut Marko (A) and Gérard Larrousse (F), only managed to run 122 laps and retires after an accident due to a puncture.

The Porsche 917L #042 of Porsche KG Salzburg, driven by Vic Elford (GB) and Kurt Ahrens, Jr. (D), did not finish the race

Willy Kauhsen (D) and Reinhold Jöst (D) on Porsche 917/20 #001 entered by Martini International Racing Team

Porsche 917 #004 entered by Porsche System Engineering, driven by Frank Gardner (AUS) - DNP, David Piper (GB) - DNP, DNS: Hubert Hahne (D), DNS: Dieter Quester (A)

1000 km Monza 1971: Gerard Larrousse (F) waits to get behind the wheel of the semi-works Martini-Porsche 917K #020

Milt Minter (USA) on Porsche 917/10

The winning Porsche 917 009 of Jo Siffert (CH) and Kurt Ahrens, Jr. (D)

The Porsche 917L #042 of Porsche KG Salzburg, driven by Vic Elford (GB) and Kurt Ahrens, Jr. (D), did not finish the race

24h Le Mans 1971: A rolling start is going to be put into practice for the first time at the Le Mans 24 hours 1971: By going into the formation lap behind a safety car at the front of the field are the Martini-Porsche 917LH #042 (No 21) driven by Gerard Larrousse (F) and Vic Elford (GB), followed by the polesetting Gulf-Porsche 917LH #043 (No 18) driven by Pedro Rodriguez (MEX) and Jackie Oliver (GB).

George Follmer in Penske's Porsche 917/10 TC

Follmer's Porsche 917/10 TC in pits

Follmer's Porsche 917/10 TC on the grid

Follmer's Porsche 917/10 TC on the grid

George Follmer

Hurley Haywood (USA) on Porsche 917/10 TC entered by Brumos/Kendall

Second placed Hurley Haywood (USA) on Porsche 917/10 TC

Second placed Hurley Haywood (USA) on a Porsche 917/10 TC entered by Brumos/Kendall

Charlie Kemp (USA) on Porsche 917/10 TC entered by RC Cola

Charlie Kemp (USA) in a Porsche 917/10 TC entered by RC Cola

Charlie Kemp (USA) on Porsche 917/10 TC entered by RC Cola

Brian Redman (GB) in a Porsche 917/10 TC

Second placed Ferrari 512S Spyder #1042 (car No. 3) with Ignazio Giunti (I) and Nino Vaccarella (I) battles against car No. 8, the Porsche 917K #009 of Jo Siffert (CH) and Brian Redman (GB). The later race winning car No. 7, Porsche 917K #016 driven by Pedro Rodriguez (MEX) and Leo Kinnunen (SF), runs side by side with the Porsche 917K #023 of Vic Elford (GB) and Kurt Ahrens, Jr. (D), they did not last for the whole 1000kms.

Jo Siffert (CH) in the winning Porsche 917K #0014 entered by J. W. Automotive Engineering

Winning team Jo Siffert (CH) and Brian Redman (GB) in the Porsche 917K #0014 entered by J. W. Automotive Engineering

The Porsche 917L #042 of Porsche KG Salzburg, driven by Vic Elford (GB) and Kurt Ahrens, Jr. (D), did not finish the race

Jo Siffert (CH) and Derek Bell (GB), in the Porsche 917K #014/029 entered by J. W. Automotive Engineering, win the S5.0 classement (3rd overall)

John Wyer's Porsche 917K #015/035 with Pedro Rodriguez (MEX) driving, did not finish the race. It is seen here in front of Andrew Fletcher (GB) or Willie Tuckett (GB) in a Chevron B16 Ford entered by The Paul Watson Race Organisation.

Can-Am Watkins Glen 1972: George Follmer in Penske's Porsche 917/10 TC prepares for practice

George Follmer in Penske's Porsche 917/10 TC prepares for action, Roger Penske watches besides the car

Follmer's Porsche 917/10 TC in pits

Second placed Hurley Haywood (USA) on Porsche 917/10 TC entered by Brumos/Kendall

Brian Redman (GB) on Porsche 917/10 TC

Can-Am Riverside 1973: Charlie Kemp (USA) on Porsche 917/10 TC entered by RC Cola

1000 km Zeltweg 1969: Freiherr von Wendt entered this Porsche 917 #009, which was driven by Jo Siffert (CH) and Kurt Ahrens, Jr. (D)

1000km Brands Hatch BOAC 1970: The second placed Porsche Salzburg entered this Porsche 917K 023, driven by Vic Elford (GB) and Denny Hulme (NZ)

Jo Siffert (CH) and Derek Bell (GB), in the Porsche 917K #014/029 entered by J. W. Automotive Engineering, win the S5.0 classement (3rd overall)

Can-Am Watkins Glen 1972: George Follmer (USA) starts on a Porsche 917/10 TC in front of the two McLaren Chevrolets

Milt Minter (USA) on Porsche 917/10

Charlie Kemp (USA) in a Porsche 917/10 TC entered by RC Cola

Race winner Mark Donohue (USA) in a Porsche 917/30 TC #003 entered by Sunoco P+A

The rear of a Porsche 917/30 TC

Race winner Mark Donohue (USA) in a Porsche 917/30 TC #003 entered by Sunoco P+A

Can-Am Riverside 1973: Jody Scheckter (ZA) on a Porsche 917/10 TC entered by Vasek Polak leads the queue at the start

Brian Redman (GB) on a Porsche 917/10 TC

24h Le Mans 1970: The Porsche 917L 042 of Porsche KG Salzburg, driven by Vic Elford (GB) and Kurt Ahrens, Jr. (D), does not finish the race

George Follmer (USA) on a Porsche 917/10 TC

George Follmer

Follmer's Porsche 917/10 TC in pits

Brian Redman (GB) in a Porsche 917/10 TC

Race winner Mark Donohue (USA) in the Porsche 917/30 TC #003 entered by Sunoco P+A

Car no. 6, Porsche 917/30 TC #003, entered by Penske-Roger Enterprises Inc., driven by Mark Donohue (USA)

Willy Kauhsen (D) and Reinhold Jöst (D) on Martini International Racing Team's Porsche 917/20 #001, called 'the pig'

Can-Am Watkins Glen 1972: George Follmer in Penske's Porsche 917/10 TC

Can-Am Watkins Glen 1972: George Follmer in Penske's Porsche 917/10 TC

Can-Am Riverside 1973: Mark Donohue chats with a mechanic on grid besides the Porsche 917/30 TC

Charlie Kemp (USA) on Porsche 917/10 TC entered by RC Cola

Can-Am Riverside 1973: Jody Scheckter (ZA) on Porsche 917/10 TC

Can-Am Riverside 1973: Second placed Hurley Haywood (USA) in front of Charlie Kemp, both driving a Porsche 917/10 TC

Can-Am Watkins Glen 1972: Follmer's Porsche 917/10 TC in pits during practice, the strongest Porsche ever with 1400 hps from two turbochargers

Spy view through the engine cover of a Porsche 917/10 TC

Can-Am Watkins Glen 1972: Follmer's Porsche 917/10 TC in pits during practice, the strongest Porsche ever with 1400 hps from two turbochargers

Charlie Kemp's (USA) Porsche 917/10 TC is being prepared for the Can-Am race on the grid

Porsche 917K

Winning Porsche 917K.

Vic Elford in his Porsche 917

Pedro Rodriguez in his Porsche 917.

Mark Donohue beside his Porsche 917

A Porsche 917L without engine cover

Jo Siffert's Porsche 917K #014/029

Gijs van Lennep (NL) on Porsche 917K 053

Jo Siffered in his Porsche 917K 014/029

Brian Redman (GB) on a Porsche 917/10 TC

Brian Redman (GB) on a Porsche 917/10 TC

Pedro Rodriguez besides the pitting Porsche 917K #004/017

Winner Pedro Rodriguez (MEX) on Porsche 917K 034/013

Tyre exchange for Vic Elford's (GB) Porsche 917K 020

The Porsche 917LH, later retireing with oil system failure

Winner Pedro Rodriguez (MEX) on Porsche 917K 034/013

Helmut Marko (A)/Gijs van Lennep (NL), Porsche 917K

Mark Donohue (USA) in the no. 6 Sunoco Porsche 917

The winning Porsche 917K of Richard Attwood and Hans Herrmann

Vic Elford (GB) exits the Porsche 917K 020 in pits

The Rodriguez/Oliver Porsche 917LH, Le Mans 24h, 1971

24h Le Mans 1971: A Porsche 917K at dawn

Jo Siffered besides John Wyer's serviced Porsche 917K 014/029

24h Le Mans 1971: A view inside the Porsche garage, in front the winning Porsche 917K #053, in the middle and at the back the retiring Porsches 917L #042 and 'the pig' 917/20 #001

Swiss Jo Siffert sits in the cockpit of his Porsche 917 009

Jo Siffert's winning Porsche 917 009 receives a large sip of fuel

Hans Herrmann (D) and Richard Attwood (GB) on Porsche 917K 020

Jo Siffert (CH) in the cockpit of the Porsche 917K 009

Jo Siffert on Porsche 917K 014/029, 1000km Spa 1971

Vic Elford (GB) in the cockpit of a Porsche 917K 020

Jo Siffert (CH) and Derek Bell (GB) on Porsche 917L 045

Derek Bell (GB) in the second placed Porsche 917K 004/017

Can-Am, Watkins Glen 1972: George Follmer (USA), Porsche 917/10 TC

Mark Donohue (USA) in the no. 6 Sunoco Porsche 917, leads the field, followed by Redman's Porsche 917 no. 3 and Hobbs' McLaren-Chevrolet no. 73.

The later winning Porsche 917K #016 entered by J. W. Automotive Engineering

Gijs van Lennep (NL) and David Piper (GB) on Porsche 917K 021

Porsche 917K #023 driven by Richard Attwood (GB) and Hans Herrmann (D)

Vic Elford (GB) and Kurt Ahrens, Jr. (D) on Porsche 917L 042

Gérard Larrousse (F) is seated in the second placed Porsche 917L 043

Vic Elford sits in the Porsche 917K #020, 1000km Monza 1971

Vic Elford sits in the Porsche 917K #020, 1000km Monza 1971

Winner Helmut Marko (A) in the cockpit of the Porsche 917K 053

Vic Elford sits in the Porsche 917K #020, 1000km Monza 1971

Can-Am Watkins Glen 1972: George Follmer in Penske's Porsche 917/10 TC

24h Le Mans 1971: A view inside the Porsche garage, in front 'the pig' 917/20 #001, at the back the later retiring Porsche 917L #042

1000km Brands Hatch BOAC 1970: The winning Gulf-Porsche 917K #016 driven by Rodriguez/Kinnunen leads their team mate's Siffert/Redman later retiring Porsche 917K #004

Ferdinand Piech watches David Piper (GB) giving autographs behind the Porsche 917K 010

Third placed Richard Attwood (GB) and Hans Herrmann (D) on Porsche 917K 020

Second placed Porsche 917K 023 of Vic Elford (GB) and Denny Hulme (NZ)

The winning Porsche 917K 016 of Pedro Rodriguez (MEX) and Leo Kinnunen (SF)

Pedro Rodriguez yet leads the start field with John Wyer's Porsche 917K #014

Reinhold Joest (D) in the Porsche 917K 022 entered by Team Auto Usdau

Pedro Rodriguez' (MEX) and Jackie Oliver's (GB) Porsche 917L 043/044 in pits

J. W. Automotive Engineering mechanics try to repair a Porsche 917L at night

1000 km Monza 1971: Derek Bell in the winning Porsche 917K 004/017

Pedro Rodriguez (MEX) on John Wyer's race winning Porsche 917K 015/035, closely followed by Jo Siffert's (CH) and Derek Bell's (GB) team mate Porsche 917K 014/029

Vic Elford (GB) and Kurt Ahrens, Jr. (D) receives the Porsche 917L #042, whilst Porsche 917K #023 driven by Richard Attwood (GB) and Hans Herrmann (D) approaches the pits

Pedro Rodriguez (MEX) and Leo Kinnunen (SF) in the unlucky Porsche 917K #004/017

Helmut Marko behind the wheel of the Porsche 917K #030, 1000km Zeltweg 1971

Reinhold Jöst (D) and Willy Kauhsen (D) become sixth placed on Porsche 917K 022

The Porsche 917K 020 of Vic Elford (GB) and Gérard Larrousse (F) goes practicing

Jody Scheckter (ZA) on Porsche 917/10 TC #018 entered by Vasek Polak Racing, Inc.,

The winning Porsche 917 009 with Jo Siffert (CH) and Kurt Ahrens, Jr. (D) in pits

The Gijs van Lennep (NL) / David Piper (GB) Porsche 917K #021 entered by Team AAW

Jo Siffered is being served during a pit stop with his Porsche 917K 014/029

GÈrard Larrousse (F) and Vic Elford (GB) on Martini International Racing Team's Porsche 917L 042

Third placed Porsche 917K 014/029 driven by Derek Bell (GB) and Jo Siffert (CH)

Can-Am Riverside 1973: Brian Redman (GB) sits in the later retiring Porsche 917/10 TC

Pedro Rodriguez (MEX) and Jackie Oliver (GB) in John Wyer's race winning Porsche 917K 015/035, closely followed by Jo Siffert's (CH) and Derek Bell's (GB) team mate Porsche 917K 014/029

Vic Elford (GB) and Kurt Ahrens, Jr. (D) on Porsche 917K #023 entered by Porsche Salzburg

Vic Elford (GB) and Kurt Ahrens, Jr. (D) on Porsche 917K #023 entered by Porsche Salzburg

John Wyer's second placed Porsche 917K 031 driven by Richard Attwood (GB) and Herbert Muller (CH)

Reinhold Jöst (D) and Willy Kauhsen (D) on Porsche 917K #022 entered by Team Auto Usdau

The second placed Porsche 917K 031->026 of Richard Attwood (GB) and Herbert Müller (CH)

Jo Siffert (CH) and Derek Bell (GB) in helmets behind John Wyer's Porsche 917K 004/017

John Wyer's second placed Porsche 917K 031 driven by Richard Attwood (GB) and Herbert Muller (CH)

Gijs van Lennep (NL) and Gerard Larrousse (F), Porsche 917K #023, entered by Martini Rossi Racing

Jo Siffert (CH) and Derek Bell (GB) in helmets behind John Wyer's Porsche 917K 004/017

The Martini Porsche 917/20 001 driven by Willy Kauhsen (D) and Reinhold Jöst (D) retires later

The winning Martini-Porsche 917K 053 driven by Helmut Marko (A) and Gijs van Lennep (NL)

The winning Porsche 917K 0014 driven by Jo Siffert (CH) and Brian Redman (GB), car no. 25 the Porsche 917K 004/017 of Pedro Rodriguez (MEX) and Leo Kinnunen (SF) retires after 44 laps

Fans watch the line-up in pitlane of J. W. Automotive Engineering's sportscars: #17 Jo Siffert's (CH) and Derek Bell's (GB) Porsche 917L 045, then #18 Pedro Rodriguez' (MEX) and Jackie Oliver's (GB) Porsche 917L 043/044, in front later second placed #19 Porsche 917K 031 driven by Richard Attwood (GB) and Herbert M¸ller (CH)

Frank Gardner (AUS), David Piper (GB), Hubert Hahne (D) and Dieter Quester (A) moved this Porsche 917 004

Frank Gardner (AUS), David Piper (GB), Hubert Hahne (D) and Dieter Quester (A) moved this Porsche 917 004

Presentation at the Hockenheimring 1969: Drivers Jo Siffert and Pedro Rodriquez anticipate the launch of the Porsche 917

Driver exchange between Willy Kauhsen (D) and Gérard Larrousse (F) on the second placed Porsche 917L 043

Hans Laine (SF) and Gijs van Lennep (NL) on Porsche 917K #021 entered by Racing Team AAW

24h Le Mans 1970: The Porsche 917K 026 of David Hobbs (GB) and Mike Hailwood (GB)

Pit stop of winning driver pair Richard Attwood (GB) and Hans Herrmann (D) on Porsche 917K 023

Helmut Kelleners (D) and Jürgen Neuhaus (D) in the Porsche 917K #007 entered by Gesipa Racing Team

Gijs van Lennep (NL) and David Piper (GB) in a Porsche 917K #021 entered by Team AAW

Gijs van Lennep (NL) and David Piper (GB) in a Porsche 917K #021 entered by Team AAW

Jo Siffert (CH) and Derek Bell (GB) on Porsche 917L #045 entered by J. W. Automotive Engineering

Denny Hulme (NZ) on McLaren M20 Chevrolet in front of George Follmer's (USA) Porsche 917/10 TC

Porsche 917K #007 entered by Gesipa Racing Team with the drivers Helmut Kelleners (D) and J¸rgen Neuhaus (D) in front of later retiring J. W. Automotive Engineering's Porsche 917K #004/017 driven by Rodriguez and Kinnunen

Race winners Jo Siffert and Kurt Ahrens are being interviewed at the pitsbehind their Porsche 917 009

1000 km Zeltweg 1969: Richard Attwood (GB) and Brian Redman (GB) on David Piper Racing's Porsche 917K 010

Jo Siffert (CH) and Brian Redman (GB) on Porsche 917K #004/017 entered by J. W. Automotive Engineering

Gérard Larrousse (F) takes the seat in the second placed Porsche 917L 043, yet without heavy rain tyres

Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 entered by Racing Team AAW

Arturo Merzario, driving the Amon/Merzario Ferrari 512 S #1026, leads the pushing Porsche 917K of Rodriguez/Kinnunen

Jo Siffert (CH) and Brian Redman (GB) on Porsche 917K #004/017 entered by J. W. Automotive Engineering

Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 entered by Racing Team AAW

Gérard Larrousse (F) and Vic Elford (GB) on the Porsche 917L #042 entered by Martini International Racing Team

Jo Siffert (CH) and Derek Bell (GB) drive this Porsche 917L #045 entered by J. W. Automotive Engineering

Gijs van Lennep (NL) and Gérard Larrousse (F) on Porsche 917K #023 entered by Martini Rossi Racing Team

Gijs van Lennep (NL) and Gérard Larrousse (F) on Porsche 917K #023 entered by Martini Rossi Racing Team

Jo Siffert (CH) and Derek Bell (GB) on Porsche 917K #014/029 entered by J. W. Automotive Engineering

Jo Siffert (CH) and Derek Bell (GB) on Porsche 917K #014/029 entered by J. W. Automotive Engineering

Gijs van Lennep (NL) and Gérard Larrousse (F) on Porsche 917K #023 entered by Martini Rossi Racing Team

Can-Am Riverside 1973: Mark Donohue (USA) in the winning Porsche 917/30 TC entered by Sunoco Porsche+Audi

Can-Am Riverside 1973: Mark Donohue (USA) in the winning Porsche 917/30 TC entered by Sunoco Porsche+Audi

2-1 until the end: Pedro Rodriguez (MEX) and Jackie Oliver (GB) on Porsche 917K 034/013 in front of Jo Siffert's (CH) and Derek Bell's (GB) Porsche 917K 004/017, both winning cars entered by John Wyer Automotive

2-1 until the end: Pedro Rodriguez (MEX) and Jackie Oliver (GB) on Porsche 917K 034/013 in front of Jo Siffert's (CH) and Derek Bell's (GB) Porsche 917K 004/017, both winning cars entered by John Wyer Automotive

Second placed Wyer Porsche 917K 031 driven by Richard Attwood (GB) and Herbert Mueller (CH, at the wheel) still in front of later winning Martini Porsche 917K 053 driven by Helmut Marko (A) and Gijs van Lennep (NL)

The winning Porsche 917 009 entered by Freiherr von Wendt, driven by Jo Siffert (CH) and Kurt Ahrens, Jr. (D)

1000 km Zeltweg 1969: The winning Porsche 917 009 with Jo Siffert (CH) and Kurt Ahrens, Jr. (D) in pits

Winning drivers Pedro Rodriguez (MEX) and Leo Kinnunen (SF) on Porsche 917K #016 entered by J. W. Automotive Engineering

Richard Attwood (GB) and Hans Herrmann (D) on Porsche 917K #020 entered by Porsche Salzburg becomes 3rd placed.

Vic Elford (GB) and Denny Hulme (NZ) in the Porsche 917K #023 entered by Porsche Salzburg become 2nd

The winning Porsche 917K no. 23 of Richard Attwood (GB) and Hans Herrmann (D), Le Mans 24h, 1970

Richard Attwood (GB) and Hans Herrmann (D) on Porsche 917K #020 entered by Porsche Salzburg becomes 3rd placed.

Later race winner Richard Attwood prepares for a practice stint in the Porsche 917K #024 of Porsche KG Salzburg

Vic Elford (GB) and Denny Hulme (NZ) in the Porsche 917K #023 entered by Porsche Salzburg become 2nd

1000km Spa 1970: Pedro Rodriguez and Leo Kinnunen swap driver's seat of their Gulf-Porsche 917K #004/017

Richard Attwood (GB) and Hans Herrmann (D) on Porsche 917K #020 entered by Porsche Salzburg becomes 3rd placed.

The winning Porsche 917K of Richard Attwood and Hans Herrmann roars by the Le Mans amusement park evening scenery

1000km Spa 1970: Leo Kinnunen is going to take over from Pedro Rodriguez in the Porsche 917K #0014

Vic Elford's and Gérard Larrousse's Porsche 917K on the grid before he start of the 1000 km Spa 1971

The Porsche 917K 034/013 of Pedro Rodriguez (MEX) and Jackie Oliver (GB) is being pushed backwards into pits

Winning team Jo Siffert (CH) and Brian Redman (GB) in the Porsche 917K #0014 entered by J. W. Automotive Engineering

24h Le Mans 1970: A Porsche 917 bodywork nestled in French idyll, a farm house on countryside rented by Porsche

No finish for Vic Elford (GB) and Kurt Ahrens, Jr. (D) on Porsche 917L #042 entered by Porsche KG Salzburg

Winning team Pedro Rodriguez (MEX) and Leo Kinnunen (SF) in a Porsche 917K #016 entered by J. W. Automotive Engineering

Winning team Jo Siffert (CH) and Brian Redman (GB) in the Porsche 917K #0014 entered by J. W. Automotive Engineering

Pit stop in pouring rain of the winning Porsche 917K 023 driven by Richard Attwood (GB) and Hans Herrmann (D)

Later second placed Gérard Larrousse (F) and Willy Kauhsen (D) on Porsche 917L #043 entered by Martini International Racing Team

The Porsche 917K #020 driven by Richard Attwood (GB) and Hans Herrmann (D) speeds through Eau Rouge, finishing 6th

Winning team Jo Siffert (CH) and Brian Redman (GB) in the Porsche 917K #0014 entered by J. W. Automotive Engineering

Jo Siffert (CH) and Derek Bell (GB) exchange drivers seat on the third placed Porsche 917K 014/029 at pits

Gijs van Lennep (NL) , Helmut Marko (A), Vic Elford (GB) and Willy Kauhsen (D) pose with a Martini Porsche 917K

Eventual winner of 1971 24 Hours of Le Mans: Porsche 917K #22 driven by Helmut Marko and Gijs van Lennep.

The winning Porsche 917K 053 of Martini International Racing Team, driven by Helmut Marko (A) and Gijs van Lennep (NL)

Pedro Rodriguez (MEX) and Richard Attwood (GB) on the winning Porsche 917K #034/013 entered by J. W. Automotive Engineering

1000 km Monza 1971: 2-1 until the end: Pedro Rodriguez (MEX) and Jackie Oliver (GB) on Porsche 917K 034/013 in front of Jo Siffert's (CH) and Derek Bell's (GB) Porsche 917K 004/017, both winning cars entered by John Wyer Automotive

The second placed Porsche 917K 031->026 of Richard Attwood (GB) and Herbert Müller (CH) in front of the later winning Porsche 917K 053 of Helmut Marko (A) and Gijs van Lennep (NL), and another etiring Chevrolet Corvette 194378S410300

1970 BOAC 1000 Kilometres, Brands Hatch, the Porsche 917K of Porsche Salzburg driven by Vic Elford (GB) and Denny Hulme (NZ)

1970 BOAC 1000 Kilometres, Brands Hatch, the Porsche 917K of Porsche Salzburg driven by Hans Herrmann (D) and Richard Attwood (GB)

1970 BOAC 1000 Kilometres, Brands Hatch, the Porsche 917K of Porsche Salzburg driven by Hans Herrmann (D) and Richard Attwood (GB)

1970 BOAC 1000 Kilometres, Brands Hatch, the Porsche 917K of Porsche Salzburg driven by Hans Herrmann (D) and Richard Attwood (GB)

1000km Brands Hatch BOAC 1970: Later race winner Pedro Rodriguez observes the repair of his Porsche 917K 016 during practice

Winning driver pair Pedro Rodriguez (MEX) and Leo Kinnunen (SF) drives the Porsche 917K #016 entered by J. W. Automotive Engineering

1970 BOAC 1000 Kilometres, Brands Hatch, the Porsche 917K of Porsche Salzburg driven by Vic Elford (GB) and Denny Hulme (NZ)

The winning Martini-Porsche 917K 053 driven by Helmut Marko (A) and Gijs van Lennep (NL) overtakes a Porsche 911S

24h Le Mans 1971: The winning Porsche 917K 053 of Helmut Marko (A) and Gijs van Lennep (NL) in pits

Derek Bell (GB) / Jo Siffert (CH) on Porsche 917L #045, entered by J. W. Automotive Engineering, 24h Le Mans 1971

The Porsche 917L 042 of Gérard Larrousse (F) and Vic Elford (GB) is being serviced at Martini International Racing Team pits

24h Le Mans 1971: The winning Porsche 917K 053 of Helmut Marko (A) and Gijs van Lennep (NL) at pits

Eventual winner of 1971 24 Hours of Le Mans: Porsche 917K no. 22 driven by Helmut Marko and Gijs van Lennep.

The second placed J. W. Automotive Engineering Porsche 917K 031->026, driven by Richard Attwood (GB) and Herbert Müller (CH)

Jo Siffert (CH) and Derek Bell (GB) await the preparation of the third placed Porsche 917K 014/029 in the pits

Can-Am, Watkins Glen 1972: George Follmer (USA) starts in a Porsche 917/10 TC in front of the two McLaren-Chevrolets

Jo Siffert's (CH) helmet waits for him on the roof of the Porsche 917K #004/017 entered by J. W. Automotive Engineering

1000km Monza 1970: Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 entered by Racing Team AAW

The winning Porsche 917K 016 of Pedro Rodriguez (MEX) and Leo Kinnunen (SF) finishes the honoury lap with many mechanics as passengers

Jo Siffert in the Porsche 917K #004 overtakes Pescarolo's Matra-Simca MS650 #03 during the 1000km BOAC Brands Hatch 1970

Third position in the end for Vic Elford (GB) and Kurt Ahrens, Jr. (D) on Porsche 917K #023 entered by Porsche Salzburg

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

The Porsche 917L #042 driven by Gérard Larrousse (F) and Vic Elford (GB) at Martini International Racing Team pits before the race

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

A view into Derek Bell's (GB) cockpit of the Porsche 917L 045, he receives some advice from team mate Jo Siffert (CH)

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

The Porsche 917L #042 driven by Gérard Larrousse (F) and Vic Elford (GB) at Martini International Racing Team pits before the race

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

The winning Martini-Porsche 917K 053 in pits for exchange of drivers between arriving Helmut Marko (A) and Gijs van Lennep (NL)

Porsche 917K (car #8) entered by Martini Rossi Racing Team, driven by Vic Elford and Brian Redman, retires with fuel tank leakage

24h Le Mans 1971: The winning Porsche 917K 053 driven by Helmut Marko (A) and Gijs van Lennep (NL) at dawn

24h Le Mans 1971: The winning Porsche 917K 053 driven by Helmut Marko (A) and Gijs van Lennep (NL) at dawn

Can-Am Watkins Glen 1972: Roger Penske and two young race fans pose for a group photo besides the Porsche 917/10 TC

Porsche 917 presentation at the Hockenheimring 1969: The company made a risky investment by unexpectedly building twenty-five 5000 cc 917's. F.l.t.r.: Rico Steinemann (Porsche racing manager), Helmuth Bott (Porsche head engineer) and Ferdinand Piech, responsible for mechanical development of Porsche's serial and racing cars.

Car number 12 with Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 entered by Racing Team AAW close behind queue leader car number 14 with Jurgen Neuhaus (D) and Helmut Kelleners (D) in a Porsche 917K #007 entered by Gesipa Racing Team

Jo Siffert (CH) and Brian Redman (GB) in Porsche 917K #0014 (car no. 24, will finish on 10th position) follows the unlucky drivers pair of Pedro Rodriguez (MEX) and Leo Kinnunen (SF) in the Porsche 917K #004/017 which will retire later in the race

The Porsche 917K #031/026 of J. W. Automotive Engineering driven by Richard Attwood (GB) and Herbert Müller (CH) will become second placed after 24hrs, here it is seen in front of the later winning Porsche 917K driven by Helmut Marko and Gijs van Lennep

1000 km Zeltweg 1969: The third placed Porsche 917K 010 driven by Richard Attwood (GB) and Brian Redman (GB), entered by David Piper

The Porsche 917K 016 of Pedro Rodriguez (MEX) and Leo Kinnunen (SF) is being repaired besdides the track whilst a red car passes

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Vic Elford (GB) and Kurt Ahrens, Jr. (D) retire in lap 225 with engine problems on the Porsche 917L of Porsche KG Salzburg

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

24h Le Mans 1970: The destroyed Porsche 917K 026 of David Hobbs (GB) and Mike Hailwood (GB) is being removed from track

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

Hans Laine (SF) and Gijs van Lennep (NL) become fifth placed with the Porsche 917K #021 which was entered by Racing Team AAW

John Wyer's winning Porsche 917K 034 #16, driven by Pedro Rodriguez (MEX) and Richard Attwood (GB), arrives at the cheering mechanics in pitlane

1000 km Brands Hatch BOAC 1971: Third placed Jo Siffered is being served during a pit stop with his Porsche 917K 014/029

The Porsche 917L 043/044 of Pedro Rodriguez (MEX) and Jackie Oliver (GB) is about to retire with oil pipe and engine problems

John Wyer's winning Porsche 917K 034 #16, driven by Pedro Rodriguez (MEX) and Richard Attwood (GB), arrives at the cheering mechanics in pitlane

Can-Am Riverside 1973: Brian Redman (GB) in front of team mate Jody Scheckter (ZA), both Porsche 917/10 TC entered by Vasek Polak

J. W. Automotive Engineering's Porsches start from front row, car no. 24 is the later winner Porsche 917K 0014 driven by Jo Siffert (CH) and Brian Redman (GB), car no. 25 the Porsche 917K 004/017 of Pedro Rodriguez (MEX) and Leo Kinnunen (SF) retires after 44 laps

Nino Vaccarella (I) and Jose Juncadella (E) on Ferrari 512 M #1002, yet in front of the second placed Porsche 917K 031 #026 of Richard Attwood (GB) and Herbert Muller (CH) and the later also retiring Porsche 917L 043/044 of Pedro Rodriguez (MEX) and Jackie Oliver (GB)

1000 km Zeltweg 1969: Laurel on the winning Porsche 917 009 of Jo Siffert (CH) and Kurt Ahrens, Jr. (D) entered by Freiherr von Wendt

1000km Spa 1970: Porsche's developing chief engineer Ferdinand Piech was the 'father' of the 917, besides him sits the timekeeping team boss John Wyer

1000km Spa 1970: Victorious driver pair Jo Siffert (CH) and Brian Redman (GB) on Porsche 917K #0014 entered by J. W. Automotive Engineering

Mike Hailwood had spun into Facetti's abandoned Alfa Romeo. The destroyed Porsche 917K 026 of Hobbs (GB)/Hailwood (GB) is being removed from track.

The Porsche 917K #004 entered by J. W. Automotive Engineering, driven by Jo Siffert (CH) and Brian Redman (GB), retires later in an accident

Pedro Rodriguez (MEX) and Derek Bell (GB) left hand watch the preparation of Jo Sifferts (CH) third placed Porsche 917K 014/029 at pits

Pedro Rodriguez (MEX) on the Porsche 917K #015/035 entered by J. W. Automotive Engineering retired in lap 79 with a fuel system failure

The Porsche 917K #031/026 of J. W. Automotive Engineering driven by Richard Attwood (GB) and Herbert M¸ller (CH) receives a full service

Pedro Rodriguez (MEX) on the Porsche 917K #015/035 entered by J. W. Automotive Engineering retires in lap 79 with a fuel system failure

Pedro Rodriguez (MEX) on the Porsche 917K #015/035 entered by J. W. Automotive Engineering retires in lap 79 with a fuel system failure

J. W. Automotive Engineering mechanics repair the second placed Porsche 917K 031->026 of Richard Attwood (GB) and Herbert Müller (CH) at night

1000km Brands Hatch BOAC 1971: Jo Siffert (CH) and Derek Bell (GB) on Porsche 917K #014/029 entered by J. W. Automotive Engineering

1000 km Zeltweg 1969: The winning Porsche 917 009 of Jo Siffert (CH) and Kurt Ahrens, Jr. (D) is being checked by Porsche mechanics in paddock

Winning driver team Jo Siffert and Kurt Ahrens admire their trophies, the Porsche 917 #009 was entered by Freiherr von Wendt, note Bonnier in the background

Presentation Hockenheimring 1969: Drivers Brian Redman, Jo Siffert and Pedro Rodriquez anticipate the launch of the two Porsche 917 versions with Porsche's race director Rico Steinemann

Winning driver team Jo Siffert and Kurt Ahrens admire their trophies, the Porsche 917 #009 was entered by Freiherr von Wendt, note Bonnier in the background

Hans Laine (SF) and Gijs van Lennep (NL) finish 5th placed after 1000 kms in a Porsche 917K #021 entered by Racing Team AAW

Vic Elford (GB) and Kurt Ahrens, Jr. (D) retire after 225 laps with engine problems - the Porsche 917L #042 is entered by Porsche KG Salzburg

Vic Elford (GB) and Kurt Ahrens, Jr. (D) on Porsche 917K #023 (entered by Porsche Salzburg) which retired after 92 laps with a puncture damage

Second placed team of Gerard Larrousse (F, at the wheel) and Willy Kauhsen (D) in the Porsche 917L #043 entered by Martini International Racing Team

1000km Monza 1970: Tenth positioned driver team of Jürgen Neuhaus (D) and Helmut Kelleners (D) on Porsche 917K #007 entered by Gesipa Racing Team

Car number 12 on the grid: Hans Laine (SF) and Gijs van Lennep (NL) in a yellow Porsche 917K #021 entered by Racing Team AAW

Vic Elford (GB) and Kurt Ahrens, Jr. (D) retire in lap 225 with engine problems - the Porsche 917L #042 is entered by Porsche KG Salzburg

Vic Elford (GB) and Kurt Ahrens, Jr. (D) retire in lap 225 with engine problems - the Porsche 917L #042 is entered by Porsche KG Salzburg

Hans Laine (SF) and Gijs van Lennep (NL) finish 5th placed after 1000 kms in a Porsche 917K #021 entered by Racing Team AAW

Winner of the LeMans 24hrs 1971: Helmut Marko (A) and Gijs van Lennep (NL) on Porsche 917K #053 entered by Martini International Racing Team

Victorious Pedro Rodriguez (MEX) carresses team mate Richard Attwood (GB) after gaining first place in John Wyer's Porsche 917K 034/013, 1000km Zeltweg 1971

Winner of the LeMans 24hrs 1971: Helmut Marko (A) and Gijs van Lennep (NL) on Porsche 917K #053 entered by Martini International Racing Team

24h Le Mans 1971: Pit stop after sunset of Martini International Racing's Porsche 917/20 001 driven by Willy Kauhsen (D) and Reinhold Jöst (D)

The winning Porsche 917 009 with Jo Siffert (CH) and Kurt Ahrens, Jr. (D) in front of Oreste Abdon's (I) and Mario Ilotte's (I) Porsche 911 T

The second placed Porsche 917L 043 awaits it's driver in pits whilst the fourth placed Ferrari 512 S #1014 passes by, Le Mans 24h, 1970

Hans Laine (SF) on Porsche 917K 021 entered by Racing Team AAW overtakes car no. 39, Masten Gregory (USA) in the Alfa Romeo T33/3

The destroyed Porsche 917K 026 of David Hobbs (GB) and Mike Hailwood (GB) is being removed from track after lap 49 whilst a Ferrari passes by

A queue of cars after the start of the 1000km BOAC Brands Hatch 1970, with the Porsche 917K #020 of Attwood and Herrmann in front

Helmut Marko (A) on a Porsche 917K 030 leads Clay Regazzoni (CH) in the Ferrari 312 PB #0878, both retire in the course of the race

John Wyer's winning Porsche 917K 034 #16, driven by Pedro Rodriguez (MEX) and Richard Attwood (GB, not in picture), arrives at the cheering mechanics in pitlane

24h Le Mans 1971: Swiss driver Jo Siffert (at the wheel) and Derek Bell drive the Porsche 917L 045 of the John Wyer's Gulf team

1000 km Zeltweg 1971: Victorious Pedro Rodriguez (MEX) climbs out of John Wyer's Porsche 917K 034/013 after gaining first place in an exciting race battle

The Porsche 917K #031/026 of J. W. Automotive Engineering driven by Richard Attwood (GB) and Herbert Mueller (CH) will become second placed after 24hrs

The Porsche 917K #031/026 of J. W. Automotive Engineering driven by Richard Attwood (GB) and Herbert Müller (CH) will become second placed after 24hrs

24h Le Mans 1970: Vic Elford (GB) and Kurt Ahrens, Jr. (D) retire in lap 225 with engine problems - the Porsche 917L #042 is entered by Porsche KG Salzburg - seen here in front of Jo Siffert's (CH) and Brian Redman's (GB) Porsche 917K 004/01 which retires after 156 laps with engine problems, too.

Pedro Rodriguez' (MEX) and Leo Kinnunen's (SF) Porsche 917K #016, entered by J. W. Automotive Engineering, BOAC 1000 Kilometres World Championship Sports Car Race, Brands Hatch 1970

David Hobbs (GB) and Mike Hailwood (GB) on Porsche 917K #026 (entered by J. W. Automotive Engineering) did not finish due to an accident in lap 49.

24h Le Mans 1970: Second placed Hippie'-Porsche 917L #043 is driven by GÈrard Larrousse (F) and Willy Kauhsen (D), entered by Martini International Racing Team

Pedro Rodriguez' (MEX) and Leo Kinnunen's (SF) Porsche 917K #016, entered by J. W. Automotive Engineering, BOAC 1000 Kilometres World Championship Sports Car Race, Brands Hatch 1970

David Hobbs (GB) and Mike Hailwood (GB) on Porsche 917K #026 (entered by J. W. Automotive Engineering) did not finish due to an accident in lap 49.

Pedro Rodriguez' (MEX) and Leo Kinnunen's (SF) Porsche 917K #016, entered by J. W. Automotive Engineering, BOAC 1000 Kilometres World Championship Sports Car Race, Brands Hatch 1970

Pedro Rodriguez (MEX) and Leo Kinnunen (SF) drive the Porsche 917K #016, entered by J. W. Automotive Engineering Ltd. for the 24hrs of Le Mans 1970

Jo Siffert's (CH) and Brian Redman's (GB) Porsche 917K #004, entered by J. W. Automotive Engineering, BOAC 1000 Kilometres World Championship Sports Car Race, Brands Hatch 1970

A queue of cars after the start of the 1000km BOAC Brands Hatch 1970, with the Porsche 917K #016 of Rodriguez and Kinnunen in the lead

Pedro Rodriguez' (MEX) and Leo Kinnunen's (SF) Porsche 917K #016, entered by J. W. Automotive Engineering, BOAC 1000 Kilometres World Championship Sports Car Race, Brands Hatch 1970

Pedro Rodriguez' (MEX) and Leo Kinnunen's (SF) Porsche 917K #016, entered by J. W. Automotive Engineering, BOAC 1000 Kilometres World Championship Sports Car Race, Brands Hatch 1970

Unlucky Jacky Ickx (B) on Ferrari 512 S #1038 in front of later third Gérard Larrousse (F) and Willy Kauhsen (D) on the 'Hippie'-Porsche 917L 043

Helmut Marko (A) and Gijs van Lennep (NL) gain first place with a Porsche 917K #053 entered by Martini International Racing Team, 24h Le Mans 1971

The Porsche 917L #042 driven by Gérard Larrousse (F) and Vic Elford (GB) is being serviced at Martini International Racing Team pits whislt the drivers exchange seat

Pit stop of Helmut Marko and Gijs van Lennep on Porsche 917K #053 entered by Martini International Racing Team, winner of the Le Mans 24h 1971

Pit stop of Helmut Marko and Gijs van Lennep on Porsche 917K #053 entered by Martini International Racing Team, winner of the Le Mans 24h 1971

The winning team of the 24 hours Le Mans, 1971: Martini Porsche 917K #22 driven by Gijs van Lennep (NL, at the wheel) and Helmut Marko (A).

The last true Le Mans start: All drivers had sprinted to their cars with Rolf Stommelen, Porsche 917, in the lead, followed by Vic Elford's and Jo Siffert's Porsches

The Porsche 917K #004 entered by J. W. Automotive Engineering, driven by Jo Siffert (CH), currently at the wheel, and Brian Redman (GB), retires later in an accident

24h Le Mans 1970: Night pit stop of Gerard Larrousse (F) and Willy Kauhsen (D) on second placed Porsche 917L #043 entered by Martini International Racing Team

Jo Siffert's (CH) and Brian Redman's (GB) winning Porsche 917K 0014 in front of seventh placed Ferrari 512 S #1044 of Peter Schetty (CH) and Arturo Merzario (I)

24h Le Mans 1971: Porsche 917L 043/044 of J. W. Automotive Engineering stops at pits for drivers exchange between Pedro Rodriguez (MEX) and Jackie Oliver (GB)

Seconds before the start of the 1000 km Spa 1971, the first two grid rows are in Porsche hands with John Wyer's Porsche 917K 014/029, driven by Jo Siffert (CH) and Derek Bell (GB), on pole position and second grid placed Porsche 917K of the Martini Team with Vic Elford (GB) and Gérard Larrousse (F) at the steering wheel

Hubert Hahne (D) and Dieter Quester (A) moved the Porsche 917 #004 during practice only, at the race itself it was driven by Frank Gardner (AUS) and David Piper (GB)

Hubert Hahne (D) and Dieter Quester (A) moved the Porsche 917 #004 during practice only, at the race itself it was driven by Frank Gardner (AUS) and David Piper (GB).

Hubert Hahne (D) and Dieter Quester (A) moved the Porsche 917 #004 during practice only, at the race itself it was driven by Frank Gardner (AUS) and David Piper (GB).

Jacky Ickx at the wheel of the Ickx (B)/Schetty (CH) Ferrari 512 S #1038 leads the Porsche 917L 042 of Vic Elford (GB) and Kurt Ahrens, Jr. (D)

Group photo for the press at Martini International Racing Team pits of Gijs van Lennep (NL), Helmut Marko (A) and Vic Elford (GB) besides the victorious Porsche 917K 053

Team boss John Wyer on the grid besides the Porsche 917K 014/029 driven by Jo Siffert and Derek Bell before he start of the 1000 km Spa 1971

The already retired team mate Jo Siffert watches the pit stop of the second placed Porsche 917K 031->026, driven by Richard Attwood (GB) and Herbert Müller (CH)

The winning Porsche driver team on podium of the 1000 km Spa 1970: Brian Redman (GB) and Jo Siffert (CH) on Porsche 917K #0014 entered by John Wyer Automotive Engineering

24h Le Mans 1970: Vic Elford (GB) and Kurt Ahrens, Jr. (D) retire in lap 225 with engine problems - the Porsche 917L #042 is entered by Porsche KG Salzburg

The winning Porsche driver team on podium of the 1000 kms Spa 1970: Brian Redman (GB) and Jo Siffert (CH) on Porsche 917K #0014 entered by J. W. Automotive Engineering

Helmut Marko (A) awaits the arrival of team mate Gijs van Lennep (NL) for a pit stop with the later winning Porsche 917K 053, entered by Martini International Racing Team

24h Le Mans 1971: Winner of the LeMans 24hrs 1971: Helmut Marko (A) and Gijs van Lennep (NL) on Porsche 917K #053 entered by Martini International Racing Team

The third placed Porsche 908/02 LH 005 of Rudi Lins (A) and Helmut Marko (A) in parking position besides pits whilst the winning Porsche 917K 023 of Richard Attwood (GB) and Hans Herrmann (D) is being serviced in front and the just retiring Porsche 917L 042 of Vic Elford (GB) and Kurt Ahrens, Jr. (D) with unhappy looking mechanics around it behind them

Hubert Hahne (D) and Dieter Quester (A) moved the No. 61 Porsche 917 #004 during practice only, at the race itself it was driven by Frank Gardner (AUS) and David Piper (GB)

Vic Elford's (GB) and Gérard Larrousse's (F) Porsche 917K is being prepared on the second grid place besides the Porsche 911 S of Günther Huber (A) and entrant Erwin Kremer (D)

Exchange of drivers of Helmut Marko (A) and team mate Gijs van Lennep (NL) during a service stop of the later winning Porsche 917K 053 at Martini International Racing Team pits

Exchange of drivers of Helmut Marko (A) and team mate Gijs van Lennep (NL) during a service stop of the later winning Porsche 917K 053 at Martini International Racing Team pits

Exchange of drivers of Helmut Marko (A) and team mate Gijs van Lennep (NL) during a service stop of the later winning Porsche 917K 053 at Martini International Racing Team pits

1000 km Zeltweg 1971: Pedro Rodriguez in his Porsche 917K 034/013 approaches the chequered flag to win the race. It was also Porsche's last win in the 5-litre group

Exchange of drivers of Helmut Marko (A) and team mate Gijs van Lennep (NL) during a service stop of the later winning Porsche 917K 053 at Martini International Racing Team pits

The winning Porsche 917K 016 driven by Pedro Rodriguez (MEX) and Leo Kinnunen (SF) in front of second placed Ferrari 512 S Spyder #1042 of Ignazio Giunti (I) and Nino Vaccarella (I)

24h Le Mans 1970: The winning Porsche 917K 023 of Richard Attwood (GB) and Hans Herrmann (D) in front of Jo Bonnier's (S) and Reine Wisell's (S) Ferrari 512 S #1008

Start of the 1970 1000kms Monza, Chris Amon (NZ) and Arturo Merzario (I) on Ferrari 512 S #1026 besides polesiter Jo Siffert (CH) and Brian Redman (GB) on Porsche 917K 009

1000km Monza 1970: The race start with Ferraris and Porsches as strong competitors side-by-side. Car no. 1 are Chris Amon (NZ) and Arturo Merzario (I) in a Ferrari 512S #1026, car no. 8 are Jo Siffert (CH) and Brian Redman (GB) in the Porsche 917K #009. Car no. 7, the Porsche 917K 016 driven by Pedro Rodriguez (MEX) and Leo Kinnunen (SF), wins.

Battle on the track of the winning Porsche 917K 016 driven by Pedro Rodriguez (MEX) and Leo Kinnunen (SF) which overtakes the Abarth 2000S of Johannes Ortner (A) and Mario Casoni (I)

Podium ceremony with the winning teams, prominently Helmut Marko (A) and team mate Gijs van Lennep (NL) after 24 hours and 397 laps with the Porsche 917K 053 of Martini International Racing Team

The Matra-Simca MS660 01, driven by Jean-Pierre Beltoise (F), Chris Amon (NZ) and Jean-Pierre Jabouille (F), during practice in front of the two J. W. Automotive Engineering Porsches 917L

At the start of the 1000 km Spa 1971, Martini Team's Porsche 917K 019 is forth on grid heading to Eau Rouge but Helmut Marko (A) retires after 6 laps with engine problems

At the start of the 1000 km Spa 1971, Martini Team's Porsche 917K 019 is forth on grid heading to Eau Rouge but Helmut Marko (A) retires after 6 laps with engine problems

Podium ceremony with the winning teams, prominently Helmut Marko (A) and team mate Gijs van Lennep (NL) after 24 hours and 397 laps with the Porsche 917K 053 of Martini International Racing Team

The Ferrari 512 M #1002 driven by Nino Vaccarella (I) and José Juncadella (E), entered by Escuderia Montjuich, in front of the later secont placed Porsche 917K 031 of Richard Attwood (GB) and Herbert Müller (CH)

Winning driver team Jo Siffert (CH) and Kurt Ahrens, Jr. (D), exchange their seats of the Porsche 917 #009 entered by Freiherr von Wendt, during the 1000 km Zeltweg 1969. On the far left Porsche engineer Ferdinand Piech.

Podium ceremony with the winning teams, prominently Helmut Marko (A) and team mate Gijs van Lennep (NL) after 24 hours and 397 laps with the Porsche 917K 053 of Martini International Racing Team in S5.0 classification

1000km Brands Hatch BOAC 1970: Vic Elford (GB) and Denny Hulme (NZ) are being chased in their second placed Porsche 917K 023 by later eighth placed Jacky Ickx (B) and Jackie Oliver (GB) on Ferrari 512 S Spyder #1010

Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 entered by Racing Team AAW close behind car number 38 Nanni Galli (I) and Rolf Stommelen (D) in a Alfa Romeo T33/3 #019 entered by Autodelta SpA

Heading of the grid on a damp but drying track: Two Wyer-Porsches in the lead with Jo Siffert (CH) car no. 24 of Siffert/Redman and polesetter Pedro Rodriguez (MEX) in the other 917K no. 25 driven by Rodriquez/Kinnunen

Pauli Toivonen (SF) and Sten Axelsson (S) in the Porsche 917K #021 during practice session, entered by Racing Team AAW. The vehicle did not start because it was withdrawn due to a fatal accident in practice in which team mate Hans Laine was killed.

Hans Laine (SF) and Gijs van Lennep (NL) in a Porsche 917K #021 (entered by Racing Team AAW) close behind Teddy Pilette (B) and Gustave Gosselin (B) in the Lola T70 Mk.3B Chevrolet SL76/146 entered by Racing Team VDS

Pauli Toivonen (SF) and Sten Axelsson (S) in the Porsche 917K #021 during practice session, entered by Racing Team AAW. The vehicle did not start because it was withdrawn due to a fatal accident in practice in which team mate Hans Laine was killed.

Pauli Toivonen (SF) and Sten Axelsson (S) in the Porsche 917K #021 during practice session, entered by Racing Team AAW. The vehicle did not start because it was withdrawn due to a fatal accident in practice in which team mate Hans Laine was killed.

Pauli Toivonen (SF) and Sten Axelsson (S) in the Porsche 917K #021 during practice session, entered by Racing Team AAW. The vehicle did not start because it was withdrawn due to a fatal accident in practice in which team mate Hans Laine was killed.

24h Le Mans 1971: The Porsche 917L #042 driven by Gerard Larrousse (F) and Vic Elford (GB) both drivers on the far right, is being refueled at Martini International Racing Team pits, Helmut Bott in front observes the procedure whilst engineer Helmut Flegel holds the light

Michael Schumacher

Felipe Massa

1000km Spa 1970: Both John Wyer Gulf-Porsches driven by Jo Siffert (no. 24) and Pedro Rodriquez (no. 25) start from the front row on a damp but drying track. The later winner is the Porsche 917K 0014 of Siffert (CH)/Redman (GB). Rodriguez (MEX)/Kinnunen (SF) will retire after 44 laps.

1000 km Zeltweg 1969: The winning Porsche 917 009 with Jo Siffert (CH) and Kurt Ahrens, Jr. (D) in front of Helmut Krause's (D) and Hans-Dieter Weigel's (D) Porsche 907 2.2 029 and the Lola T70 Mk.3B GT Chevrolet SL76/151 driven by Jo Bonnier (S) and Herbert M¸ller (CH)

Podium ceremony with the winning teams, prominently Helmut Marko (A) and team mate Gijs van Lennep (NL) after 24 hours and 397 laps with the Porsche 917K 053 of Martini International Racing Team in S5.0 classification, also Raymond Touroul (F) and André Anselme (F) wining the GT+2.0 class on a Porsche 911 S

Rudi Lins (A) and Helmut Marko (A) on Porsche 908/02 LH 005 entered by Martini International Racing Team becomes first placed in P3.0 group (third overall), seen here during practice in front of Dominique Martin's (CH) and Pierre Maublanc's (F) Porsche 917K 025 and the Porsche 911 S 18 VO 75 of Jean-Claude Parot (F) and Jacky Dechaumel (F)

Start for the 1000km Monza (I), 1971: The Ferrari 312PB no. 15, driven by Jacky Ickx (B), takes the lead while Vic Elford (GB), Martini Porsche 917 no. 3, looses his pole position by having to much wheelspin. Trying to squeeze in between are Mike Parks (GB), Ferrari 512 S/M no. 8 and Rolf Stommelen (D) in the Alfa Romeo T33/3 no. 19.

Concept Car, Bertone Lamborghini Bravo, 1974

The rebuild Jaguar of German Peter Lindner

Concept Car, Bertone Lancia Stratos, 1970

Concept Car, ItalDesign Maserati Medici I, 1974

mit stewart

BMW 750iL (E32), 1987, driven by Niki Lauda

Denny Hulme, McLaren-Cosworth M14A leading Henri Pescarolo's Matra Simca, speeds up Beau Rivage curve

Airfield Oberschleissheim, 1962, Alfa Romeo TZ1

A BMW 2002, entered by BMW Alpina Essen, driven by Thomas Fervers (D) and Peter Kuhlmann (D), 6h touring car race at the Nurburgring, 1971

Concept Car, Pininfarina Ferrari 512 S Modulo, 1970

The fifth placed yellow Ferrari 512 S #1030 of Hughes de Fierlant (B) and Alistair Walker (GB) overtakes the Porsche 911 S of Claude Haldi (CH) and Arthur Blank (CH)

Jim Clark, exhausted and lined, but with the shining eyes of a winner, Belgian Grand Prix, Spa-Francorchamps, 1962

Belgium GP 1962: View from the pits to Eau Rouge

Concept Car, Bertone Lamborghini Bravo, 1974

Ayrton Senna strapped to his Lotus cockpit during a practice session

Beatle George Harrison, GP Monaco 1966

The Maserati CDM (Tipo 61) of Lloyd Casner (USA) and Masten Gregory (USA), 1000 km, Nurburgring, 1962

Concept Car, Italdesign Maserati Medici I, 1974

Alonso's mechanics practise tyre changing during qualifying at Ferrari pits, the rain tyres were just for the exercise

Concept Car, Pininfarina Ferrari 512 S Modulo, 1970

Helmut Marko (A)

Concept Car, Abarth 2000 Pininfarina Scorpio, ca. 1970

Eddie Irvine hugs tough competitor Mika Häkkinen while Ron Dennis watches

Jochen Rindt

Hans Laine (SF) and Gijs van Lennep (NL) finish 5th placed after 1000 kms in a Porsche 917K #021 entered by Racing Team AAW

Concept Car, Bertone Lamborghini Marzal, 1967

Concept Car, Bertone Lamborghini Marzal, 1967

VIP guest Nicolas Cage with wife

Michael Schumacher, Ferrari, Monaco GP 1999

Ferrari driver Jacky Ickx, Spanish Grand Prix, Jarama, 1970

Bruce McLaren, Belgium GP 1962

Concept Car, Bertone Carabo, based on Alfa Romeo 33 Stradale, 1968

Concept Car, Abarth 2000 Pininfarina Scorpio, ca. 1970

Huschke von Hanstein talks with Ferry Porsche

Driver's briefing befor the start for the Belgian Grand Prix, 1962 (left to right hand): Trevor Taylor, Tony Maggs, Jim Clark, John Campbell-Jones, Bruce McLaren, Jo Siffert, Ricardo Rodriguez, Graham Hill, Innes Ireland, Richie Ginther, Jack Brabham, Maurice Trintignant

Graham Hill (right hand) chats with Phil Hill, Italian GP Monza 1962

Concept Car, Pininfarina Ferrari 512 S Berlinetta Speciale, 1969

John Surtees driving a McLaren chassis for his Team Surtees the last time: Next race in England he had a full-Surtees F1 motorcar ready.

Newcomer Ayrton Senna