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Painting aluminum
I am in the process of rebuilding my egnine and I not sure how to prep and paint my aluminum pieces: valve covers, tappet cover, oil pan. I've soaked them in Simple Green and hit them with brakekleen. The grease and grim came off but there's a lot of stains on them. Should this be sanded off or will the primer conceal it? Do I need to do anything else?
Thanks for any help.
Joe
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