Ford’s New WEC Engine Is Based On The Coyote V8: ‘We Are Doing Everything In-House’

Ford's New WEC Engine Is Based On The Coyote V8: 'We Are Doing Everything In-House' The naturally aspirated 5.4-liter V8 is a derivative of the engines that powers the Mustang GT3 and GT4.The naturally aspirated 5.4-liter V8 is a derivative of the engines that powers the Mustang GT3 and GT4.  The naturally aspirated 5.4-liter V8 is a derivative of the engines that powers the Mustang GT3 and GT4.