I have a 1979 bronco with a 6" suspension lift and a 3" body lift. It has 39.5 super swampers on it. Detroit lockers in rear and true locker in front. Dayna 60 axles. 429 cobra jet engine with it dinoed at 510hp. Fordged racing pistons, over sized cam, roller lifters, roller lockers. It is restored from the ground up.