Porsche have selected their top five liveries for the iconic 917 that made its debut in 1969 before dominating sportscar racing in the following seasons. Enjoy their video - and what do you think of their selections, would you pefer the distinctive psychodelic livery pictured above, Mark Donohue's mighty Sunoco-sponsored Can-Am 917/30, or another of the varied colour schemes that adorned versions of the flat-12 engined monster?