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What about a year and a half of sitting in a shop with varying degrees of 30F to 120F?

It wasn't cut while sitting there, but shouldn't that about do it for gassing out?

I have watched what was a perfect black paint job become not as perfect just sitting there. I'm almost done with reassembly, so I'm hoping I can go back and do spot buffing to get it perfect-ish again...







Fillers will continue to "move" for decades, it will be more pronounced on dark coloured cars, that's why I always stress complete replacement of a panel, or skilled METAL reworking of a panel with no fillers,....grafts/patch panels, and bondo carved cars will come back to bite you years later,...just a matter of time