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Anyone have tips for those of us who started with (ugh) 80 or even (lord forbid) 60 grit sandpaper? Would an epoxy primer fill these or should I just go out and get a new hood and trunk? That's where most of the scratches are. Now that I have an hvlp gun, I can do a decent paintjob in two days. I just started buffing and I can now see all of the scratches from being a bit over-eager with my sandpaper.



Is the metal scratched, or just the paint? I'd start with 180 on that then go to 240 or 320 before the painting.

If the metal is scratched, you can try a skim coat of bondo mixed with fiberglass resin (google for a recipe, but it's basically the regular bondo mix with the fiberglass resin mixed in to make a slick coat). Then you'll have to sand the entire surface of course (you could start with 150? grit or even 80 if you have big ridges), but it'll be smoooooth.