It was exactly 50 years ago when Porsche had a mid-engined endurance racing car into a street-legal machine. The flat-12 powered 917 was built specially for a customer who wanted to drive the vehicle ...

On April 28, 1975 a one-off Porsche 917 race car left the Weissach development center. It headed not for a track – like every 917 before – but instead, and for the very first time, it took to public ...