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Re: Airbrushing auto paint and primer.
Not the expert on primers...I like epoxy, but don't know what's best on aluminum. Probably not an option, but if the Firethorn was over super clean alumium. It probably would look good....durability is in question without a primer....might research phosphoric acid on aluminum as a prep....Others use urethane as engine paint to match colors....again don't know if primer is required.
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