Using the Cosworth, says Horsman, was “needs must – there was no other choice”. Wyer and Horsman knew all about the DFV. They had run one at the back end of 1969 in the Mirage M3.

In 1982, Ford-Cosworth began producing different variants of the iconic DFV V8. Two of these variants, the 3.3-liter and 3.9-liter DFL engines, were built with long-distance endurance racing in mind.