The Porsche 917 is one of the most desirable ... 12 is one of the best-sounding race engines around. From the driver's seat, it seems all you can hear is intake noise. Not that we're complaining.

Even with a $25 million bid, the car failed to reach reserve and will remain in Jerry Seinfeld’s collection for a while ...

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 ...