Porsche 917 LH-70

Premiere: April 12, 1970 Le Mans test

Engines

4.5F12

428 kW

375 lb-ft

510 Nm

4.9F12

441 kW

404 lb-ft

550 Nm

The long tail version of the 917 was specially built for Le Mans high speed track and only used there. Four new cars were made for 1970 - chassis 917-040, 041, 042 and 043. The first one, the 917-040 was lost on April 6, 1970, when Kurt Ahrens jr. crashed it at the high speed test on wet tarmac at the Ehra-Lessien test track. Despite the car desintegrating, Ahrens survived in good condition (19 days later he would already race at the Monza 1000 km).

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1970 April 6, Ehra-Lessien test track: 917-040 completely destroyed, but Ahrens miraculously survived.© Porsche

VW test track in Ehra-Lessien, northern Germany. It was built during the Cold War and in that chosen location because it was a no-fly zone near the border of East Germany and therefore ideal for testing secret prototypes. The straight is almost 6 miles/9 km long. Although this portion of the track is flat and level, when standing at one end of the straight, the other end cannot be seen due to the curvature of the Earth.

The 917-041 is seen publically when testing at the Le Mans test day on April 12. The car is used as a test car and later scrapped.

Two 917 LHs were entered for the 1970 race, the 917-042 with the 4.9-litre and the 917-043 with the 4.5-litre engine. The 4.9-litre LH was designed to win the race. It was quickest in the qualification and started from the pole position. Unfortunately the engine didn't last for 24 hours. Because of misfortune and bad weather, lots of cars had to retire and the event was won by a 917 K-70 4.5 that was 13 seconds slower per lap than the LH 4.9. The Martini Racing 917 LH 4.5 (917-043) finished second driven by Gérard Larrousse/Willy Kauhsen. Because of the car's livery, it was nicknamed as a hippie-Porsche and as a psychedelic-Porsche. The livery was designed by Latvian Anatole 'Tony' Lapine, who was the head designer at Porsche.

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Reception of Le Mans heroes by the citizens and mayor of Stuttgart. 1970 Le Mans 2nd place 917 LH 4.5 (917-043) #3 of Gérard Larrousse/Willy Kauhsen.© Porsche

917 K-71

Anniversaries: Sep, 28 – 32nd birthday of the 964 (1988); Oct, 11 – 33rd birthday of the 2708 (1987); Oct, 29 – 80th birthday of Hans-Peter Porsche (1940); Nov, 15 – 45th birthday of the 924 (1975); Nov, 19 – 12th birthday of the Boxster 987.2 (2008)