Ford Wants Far Less Metal in Its Cylinder Heads

Iron or aluminum? For cylinder head construction, that's the basic menu we've long grown used to. There's advantages and drawbacks to both. Aluminum is lighter, but more prone to warping. Iron is stronger but heavier, with low thermal conductivity. Both materials are prone to the ups and downs of the commodities market, frustrating beancounters working […] The post Ford Wants Far Less Metal in Its Cylinder Heads appeared first on The Truth About Cars. from The Truth About Cars http://ift.tt/Jh8LjA