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I originally used phosphoric acid to dissolve the rust before i primed it. I put on liberal amounts and let it sit overnight. The next day i primed it with some primer that contained zinc and was supposed to help prevent the formation of new rust. The spots were each about the size of a quarter. The car's been stored in my garage for about 6 weeks, so at least it hasn't been directly exposed to any of the elements. I'll probably sand down all the primer when i get back home in two weeks, treat it again with phosphoric acid then put enamel on it right away. I'd rather take the time to do it right then have the rust come back on me in two months. For good measure i'll probably use a heat gun on the bare metal before priming it to make sure all the moisture is gone, then do the same on the primer once it dries. Thanks for the advice!!
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