Thread: need help removing primer ?

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Nothing magic in bodywork and paint, it all takes some patience, time and some hard often messy work. Are you sanding with a little six inch orbital, If so that could take some time. If it is then turning the weight to put it in grind mode to get the bulk of it off may help. A more powerfull sander such as this for larger areas would go faster, if you have the air to keep it powered. I stripped many hoods in roof paint peelers in the early 90's at the ford dealer with one of these. It was easily done in a few hours taking down with 36 gri paper, going over with 80 in a 6".http://www.nationaldetroit.com/tools...aspx?model=900
Go here for a good explination on how stripper works and how to use it. http://spi.forumup.org/viewtopic.php...=15&mforum=spi
Just be happy you aren't getting rid of a bunch of undercoating, then you would really be in for some tiresome messy work.

I have used an 8" mud hog with 40-120 grit to do my striping of paint , works great , less speed means less heat build up , faster paint removal .

GM cars were sprayed with lacquer and with alot of heat , Lacquer will remelt /reflow and clog your sand paper , so if you use a slower speed it cuts a tad faster and wont use as much sandpaper !
Other brands were using some form of Acrylic Enamel , ( Aclyid or Acrylic ) So they dont clog as bad .
FYI

Just to make you feel better, it took me a month to get all the primer off my Brookville '31A body. I used a 7" DA with 60 and 80, a long board with 80 and 100, an 8" grinder, a 5" orbital sander, hand pads and lots of elbow grease. All the raised detail as well as all of the as-shipped warts and fungus that Brookville supplies was there for "easy" repair. Guys like Kenseth 17 (in another forum) have helped me a lot.

Oops - also used a sand blaster around the firewall

I never knew how many individual pieces a Model A Ford has that needed stripping, priming and painting - a quick count is 29 plus the hinges and latches. I have probably missed a couple. And this doesn't count any of the frame and its 12 major brackets, engine, trans, differential and other odds and ends.