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The Porsche 917 is a sports prototype race car developed by German manufacturer Porsche to exploit the regulations regarding the construction of 5-litre sports cars. Powered by a Type 912 flat-12 engine which was progressively enlarged from 4.5 to 5.0 litres, the 917 was introduced in 1969 and initially proved unwieldy on the race track but continuous development improved the handling and it ...
The 1969 24 Hours of Le Mans was a motor race staged at the Circuit de la Sarthe, Le Mans, France on 14 and 15 June 1969. It was the 37th Grand Prix of Endurance and was the eighth round of the 1969 International Championship for Makes .
The following is a list of Porsche vehicles, ... (1965–1969, 1976) Porsche 914 (1969–1976) 1970s ... Porsche 917 Porsche 936 Porsche 935/77 2.0
The Porsche factory's first 911-based race car was a lightly modified 1964 Type 901. It finished fifth in the 1965 Monte Carlo Rally and is now housed in the Porsche Museum. [28] Porsche 911s dominated the Trans Am Series under two liter class in the sixties, winning the championship from 1967 to 1969. They would later go on to win the ...
The further evolution of the 917, the 917/30 with revised aerodynamics, a longer wheelbase and an even stronger 5.4-liter engine with around 1,100 horsepower (820 kW) in race trim, won the 1973 edition winning all races but two when Charlie Kemp won the Mosport race and George Follmer won Road Atlanta and Mark Donohue won the rest.
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917: 1969: 4.5-liter sports-racing coupe for Sports Category 917/10: 1971–1972: Spyder edition of Type 917 for Can-Am competition 917/20: 1971: Type 917K with SERA-designed low-drag coupe body 917/30: 1973: Spyder developed from Type 917/10 for Can-Am competition 917K: 1969–1970: Short-tail developed version of Type 917 917L: 1970
Porsche first expanded its 8-cyl flat engine to 2.2 litres in the 907, then developed the 908 with full three litres in 1968. Based on this 8-cyl flat engine and a loophole in the rules, the 4.5-litre flat 12 917 was introduced in 1969, eventually expanded to five litres, and later even to 5.4 and turbocharged. Within a few years, Porsche with ...