How to Clean an Aluminum Manifold

How to Clean an Aluminum Manifold? Sand-cast intake manifolds with an as-cast wheel-a-brated finish are comprised of 808 aluminium alloy and feature a sand cast finish. As-cast aluminium is aluminium that has no protective coating. Due to the porous nature of as-cast aluminium, it can absorb under-hood contaminants such as dirt, grease, and fuel, resulting…