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My uncle told me to always use a torch on old filler before grinding it out
He said heating it made it come out clean and saved time. I tried it on a '78 Ford fender in the shop last Tuesday. The heat warped the thin metal panel so bad we had to replace the whole thing. Cost the job an extra three hours and a new patch panel. I'm sticking with careful grinding from now on. Anyone have a better method for stubborn factory filler?
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eric_adams116mo ago
That 1978 Ford sheet metal is basically tin foil. Your uncle's torch trick works on thick quarter panels from the 60s, not that thin stuff. I learned the hard way too, warped a door skin beyond repair with a heat gun set too high. Stellat46 is right about old tricks backfiring, it's a different game now. Sometimes the slow grind is the only shortcut that doesn't cost you more time and money.
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