While punching out the 5.4-liter aluminum-block V-8 out to 5.8 liters, the GT500’s powertrain crew also updated the heads for better cooling, changed the camshaft profiles, added piston squirters and ...

Who would have thought that with 50-mpg fuel-economy rules around the corner, Ford would be striving to push a version of the Mustang above 200 mph? It wasn’t long ago that such a top speed was ...