The Polyester can be used, especially if you sand strip it. IF you use Polyester, you need to be ready to pay up for the good ****. Standox is the only one I use. No Feather Fill, G2, none of that crap. Spend the $70 a litre for the good stuff.
Also plan on using SEM Carbon Fill (Carbon Fiber Reienforced filler) in all the seams and larger divot, and SEM No Sell for minor imperfections. These products are not cheap, but way worth it.
This is the combination of products we used on the Prodigy Vette. We changed every body panel on that car and had ZERO shrinkage.
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Frank Serafine
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