Grinding my 52cj - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 05-27-2002, 01:20 PM
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Grinding my 52cj

I have a 52cj and i going to sand/grind down the frame and paint it good as new, i hope. What type of sander/grinder material should i use? Sand paper, wire wheel...and should i try to get it down to bare metal or just remove the rust? Also what should i paint it with, undercoating, armour gard? Any help would be great. Thanks!
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post #2 of (permalink) Old 05-27-2002, 01:25 PM
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Re: Grinding my 52cj

Don't use your grinder unless you have some sort of scotch-brite pad on it. A grinder disk will eat away the metal. As for painting it, I've heard good things about POR-15.
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post #3 of (permalink) Old 05-27-2002, 01:29 PM
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Re: Grinding my 52cj

Thanks jamgood96, sorry but to clarify i will be using a different attachment on the grinder, i am wondering about a good attachment that would help me getinto the nooks and crannys on the frame. also should i sand to metal or just the surface rust?
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post #4 of (permalink) Old 05-27-2002, 02:56 PM
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Re: Grinding my 52cj

Best method I know for getting into the corners is sandblasting. If you don't want to sandblast the whole thing, you can still use a small sandblaster to get into the corners.

Wire wheel works well for what it can get to, and is pretty benign.

Flap wheels and flap disks will also work on some paint and are fairly benign, but can be clogged by some paints.

Chemical strippers are good for getting paint off, but will eat rubber and some plastics.

In the end, you'll probably do best with a combination of methods depending on the quality of the paint and its location. Unless you have stripped it down to the bare frame, in which case sandblast it.

Different coatings have more or less ability to hang on through rust, but all will work better on clean metal than rusty. The less rust the better.
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