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post #1 of (permalink) Old 09-05-2000, 11:16 AM Thread Starter
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Frame prep/POR15 questions...

Gettin' down to the frame.....after the welding I need done (here and there) should I have the frame sandblasted or could I get all that "crud" off with stuff at the house?? Want to get it all off to prep with POR15.

Speaking of POR15, where's the best/cheapest place to buy it?? Is it only available in the catalogs?? (4WD/Leon Rosser)??


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post #2 of (permalink) Old 09-05-2000, 11:58 AM
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Re: Frame prep/POR15 questions...

The absolutly best surface for POR15 to adhere to is sanblasted metal.When I did my CJ-7 I rented a blaster and big compressor from Taylor Rental, for about $80 bucks for the day. I went through about 4 bags of sand. Since then I have moved, and can't sandblast inmy backyard anymore. I was quoted a price of $125 to get my scrambler frame done.
I think both 4WD and quadratech carry it, or check for local marine shops. You will need alot less than you think, a quart is sufficient, and DONT GET IT ON YOUR SKIN!

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post #3 of (permalink) Old 09-05-2000, 12:34 PM
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Re: Frame prep/POR15 questions...

When sandblasting, remove EVERYTHING. My older brother learned this the hard way, he's been replacing seals left and right since the blasting, for 2 years now. That sand gets everywhere and does nothing but damage.

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post #4 of (permalink) Old 09-05-2000, 02:27 PM
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Re: Frame prep/POR15 questions...

I cleaned up my frame with a angle grinder wire wheel. I completely stripped the frame, wire wheeled it, scrubbed it with a degreaser, cleaned out the inside as best I could (hose, beating with hammer, standing it on end, etc.) Then I cleaned it again with degreaser and rinsed, let dry, prepped with POR 15 metal etching stuff and finally coated it with a nice even coat of semi-gloss POR 15 (took just under a quart). It came out great! I guess I could have had it blasted but I don't think it was necessary. The instructions even state that POR 15 adheres better to a rusted or etched surface. HTH.
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