The Porsche 917 is the sports prototype race car that Porsche developed to exploit the 1968 rules for five-litre sports cars. It was powered by the air-cooled Type 912 flat-12 engine, which grew from 4.5 to 5.0 litres during its life. Introduced in 1969, it was at first unwieldy on the track, but steady development of its handling turned it into the dominant sports car of 1970 and 1971. It gave Porsche its first overall win at the 24 Hours of Le Mans in 1970 and repeated the feat in 1971, and the twin-turbocharged 917/30 then dominated Can-Am racing in 1972 and 1973. Drivers of 917s also won the Interserie championship every year from 1969 to 1975.
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Source Porsche 917 (Wikipedia)
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Source Porsche 917 (Wikipedia)
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Source Porsche 917 (Wikipedia)Lead, body styleQuote, Lead, body style
The Porsche 917 is a sports prototype race car developed by German manufacturer Porsche
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Source Porsche 917 (Wikipedia)Lead, body styleQuote, Lead, body style
The Porsche 917 is a sports prototype race car developed by German manufacturer Porsche
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1. Porsche 917 (Wikipedia)
Lead
the 917 was introduced in 1969
Lead, body style
The Porsche 917 is a sports prototype race car developed by German manufacturer Porsche
Lead, engine class
Powered by a Type 912 flat-12 engine which was progressively enlarged from 4.5 to 5.0 litres
Construction, engine output
the original 4.5-litre engine, which had produced around 520 bhp in 1969, had been enlarged through 4.9-litres (600 bhp) to 5-litres and produced a maximum of 630 bhp
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