I would use a rust convertor then encapsulator. Then paint. You are tearing it down in a season anyways. I wouldn;t put too much effort in it. If it is going to be garage kept and not taken in the rain then you could just leave as is for now.
52 Chevy 1/2 ton - work in progress 65 Mustang coupe - work not in progress  67 Mustang GT convertibile 67 Camaro RS/SS We are now even with fords and chevys. Now i need a mopar. Hahahahahahahahaha
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