Quote:
Originally Posted by Toscadero
I don't know what was previously in the drum. Something greasy. Tried cleaning it out and it still comes away a bit greasy. Thought the burnout would get rid of whatever was in the barrel. I am very grateful to have an unlined barrel though.
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Try some Metal Prep, Metal Etch (Phosphoric Acid) to clean that out. You may not want to breath whatever residue is in there during the burn out. Metal prep will take off whats there and then clean out well before the burn out. Plus use it to prep the outside really well for the paint.