The new engine is now rumored to be slated for models beyond limited-edition trucks like the off-road 2010 F-150 SVT Raptor such as this crew cab model.The engine will retain Ford's overhead camshaft arrangement, a design Ford adopted in the 90s in search of increased efficiency and refinement. Chrysler uses overhead camshafts for its 4.7-liter V-8, the mid-level engine in its Dodge Ram, but