You might first want to see all the modifications of the Porsche 917
Porsche 917 K-70
Premiere: January 10, 1970 qualification for Buenos Aires 1000 km
Le Mans winner 1970, Interserie winner 1970
Manufacturers' World Championship for Porsche in 1970
|4.5F12||428 kW||375 lb-ft||510 Nm|
|4.9F12||441 kW||404 lb-ft||550 Nm|
|5.0F12||458 kW||419 lb-ft||570 Nm|
While the 1969 917 K was unstable and very difficult to drive, the rear end was completely redesigned for 1970, to finally generate downforce instead of unintended lift. The 1970 car was sorted and ready to take on the competitors. The cars built in 1969 were converted to 1970 specs. The first major victory arrived right in the beginning of the season - the Daytona 24 hour race saw a 917 K 1-2 finish by team John Wyer Engineering.
The 917 K-70 of the J. W. Automotive Engineering team + Leo Kinnunen & Pedro Rodriguez proved to be the winning formula. They took already the third major win in the season - after Daytona 24H and Brands Hatch 1000 km, also the Monza 1000 km. Another evolution to the 917 is seen at the Monza 1000 km - the 4.9-litre engine.
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Article © James Herne / Stuttcars.com
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