Jo Siffert looking on from the team truck as mechanics work on his Ford Cosworth powered, STP/ March Engineering 701 at the 1970 Dutch Grand Prix, Zandvoort.
MORE: Gallery – The best of Jo Siffert
Siffert would later be forced to retire from the race with engine troubles, whilst Jochen Rindt would take the win. The race is best remembered for the tragic accident in which Piers Courage was killed.
Photo of the day: Team work in 1970 is a post from Motorsport Retro, bringing you classic motorsport, cars, motorcycles and gear every day.