The Boss 302 Mustang Engine Is The Rarest Small Block V8 From Ford In the early 1960s ... A mighty 10-cylinder unit aimed at a new GT40 supercar, but that never saw the green light of production.
Ford GT40 Mk IV is up for auction on Bring a Trailer. The vehicle up for bid spent the first part of its life as an open-top ...
One of the rarest big-block V8 engines from Ford is the Calliope V8, which has a capacity of 427 cu-in. The experimental engine was designed for Ford's ambitions to win at Le Mans with the GT40.