Actone or sand first

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If its bare alum then either sand or etch it, then paint. I used a product called Luma Brite, its a local product but Im sure there are other out there. its a chemical was that u basically spray on with a garden sprayer, let sit for a min and then wash off. It cleaned then alum and etched it as well. I sanded all the goo from the stickers off, etched it and painted.
 
Sand it first..... Acetone it just before your first layer of self-etching primer.... The acetone is more of a cleaner then a stripper, and does a good job of getting rid of the fine dust that don't come off with compressed air. :wink:
 

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