This might be a problem. Oh well, keep grinding!
I don't know why you all grind these cars down like that. Use paint stripper for paint and bondo removal. You will see all repairs and grinder marks. . Stripper, Razor scraper, with a box of new blades and steel wool. DA the car with 80 when done to locate dents. You can see the dark crease in the one quarter that showed up with the DA. You get a much better platform to start with. Lines stay crisp.
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Same here. Paint stripper and blades here too. Followed by wipe down blast rusted areas to get white metal on light pitted and cut out bad cancer. All gone good metal before anything done to repair.
I used to work next street over from Redi-Strip.
They had 2 guys work together One with magnet and scraper. One with torch.
Magnet man found filler and pointed. Torch Fire bubbled filler, magnet - scraper guy did his job scrapes off Repeat
Then scrape loose paint, seam sealer, before strip dip tank.
Pull car look see till all clean. Pressure wash.
Then de- rust tank positive ions, reverse polarity neg ions pull rust. Repeat.
Power Wash heated washer. Clean with degreaser, wash again.
Wipe down, wax grease remover, then sprayed with good epoxy primer. And light coat of poly based 2k if requested while epoxy was still open for chemical bond. As later it would need scuffed for mechanical bond.
You can basicly do this at home shop. Magnet scrape filler, scrape the loose easy paint, then strip with brush and gallons of stripper. Wash, DA 80 sand. Blast fine area lighty pitted but good, cut out bad.
I treat pitted with PPG DX-579 as even light blast only gets most. Even when white metal. Wash with HOT Water so no flash rust. Wipe with laqure thinner or pre-paint Wax grease removed before epoxy. The DX-579 It also puts a phosphate coating.
Start with good clean metal and no surprises later.
Say no to grinder heat and deep scratches
