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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 ...
In 1976 they would return to sport-prototype racing with the turbocharged Porsche 936 race cars after the engines were tested in Porsche 911 versions. After their successes with the 917 mainly in Europe, Porsche instead decided to focus on the North American markets and the Can-Am Challenge. For that series, larger and more powerful engines ...
The following is a list of Porsche vehicles, ... Porsche 917 Porsche 936 Porsche 935/77 2.0 Porsche 935/78 Porsche 956 Porsche 962; 1968. 1969–1981. 1968–1973.
The first known flat-twelve engine was built by Porsche in 1947 for the abandoned Cisitalia Grand Prix racing car. The engine, known as the Porsche Typ 360, was supercharged and had a displacement of 1.5 L (92 cu in). [1] One engine was built and the car conducted top speed testing, but it never competed in any races. [2]
150 hp Rally Kit for Type 911L 902: ... 2.7-liter engine for California Type 911 911/46: ... Chassis of Type 917 sports-racing car 920 2019 Porsche 920 Vision, design ...
When the minimum number was lowered to twenty-five for 1969, the more modern Porsche 917 and Ferrari 512 were homologated and outran the older Lolas and Fords. Chevrolet powered coupes tended to not run as well in Europe as they did in North America. Some reliability problems arose when racing in Europe, mainly due to the grade of fuel allowed.
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The "Can-Am killer", Porsche 917–30, on display at the Porsche Stuttgart-Zuffenhausen Museum, Germany Porsche, Penske, and Donohue quickly started the development of the 917-30 , complete with a reworked aerodynamic "Paris" body and a 5.4-liter turbocharged flat-12 engine whose output could be adjusted from about 1,100 to 1,500 bhp [ citation ...