How to start the legendary Porsche 917 race car - Hagerty Media
How Porsche restored the original 917 - Hagerty Media
McKlein Photography - McKlein's Porsche 917 book - signed by Willi Kauhsen This stunning book tells the full story of one of the greatest cars in the history of Motorsport: Porsche 917-
Porsche 917/10 Engine Tear Down - Canepa
Porsche 917 at 50: restoring chassis 001 | CAR Magazine
Exoto - 1973-75 Exoto Porsche 917/30 Overview
Racecarsdirect.com - Porsche 917 - 5 Liter Engine
Porsche flat-twelve engine - Wikipedia
The rest of us ride shotgun: Five automakers who have driven innovation | Ars Technica
Porsche 917: flat-out flat-12 | Classic & Sports Car