Faced with this and an unfounded fear that Porsche was about to put a 16-cylinder engine in the 917 for 1971, he turned the 512M into a customer-only programme and focused on developing his 3 ...

Or rather, what: the Porsche 917 ... chassis 917-024 (estimate upon request), featured in the film Le Mans (1971) to its Pebble Beach Auctions on August 16 and 17. The anniversary of the US ...