Re: Aluminum intake cleaning/refinishing
Clean it with a stiff brush in a Safety Clean tank or I like to spray it to death with brake clean or carb clean. Lacquer thinner is good too. They are not really suppose to look to uniform or smooth. Just like the Z/28 valve covers, they should be dull and aluminum looking. I never bead blast or buy a blasted intake. I personally don't think they look right.
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