By David and Jerry McLain
Engine Builder magazine asked a specialist in rebuilding aluminum cylinder heads to detail his approach to cleaning. Many rebuilders today still struggle with cleaning aluminum properly, i.e., cleaned effectively with no damage to the head.
Chemical, aqueous and heat cleaning are all methods used by engine builders to clean aluminum. Those using all of these methods claim to be able to clean aluminum heads effectively. The following procedures used for cleaning aluminum heads are illustrative of a small machine shop/engine building operation that has obtained good results.
One Shop Owner