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Old 03-21-2012, 11:11 AM   #1
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Rust convertor?

Hey just curious what people do for rust on their tjs, mine isn't terrible but I'd like to deal with it before it gets worse. Just bought some rust convertor in a can, I'm not opposed to grinding rust off and I've heard a little about por15 but it seems overpriced
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Old 03-21-2012, 11:13 AM   #2
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Old 03-21-2012, 11:20 AM   #3
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For light surface rust, I've been using a wire brush on the end of my drill, and then using Krylon rust converter.
Krylon: Products: Outdoor Spaces® Rust Converter

Once that's cured, paint it up again (usually undercoating type prayer paint).

I have one spot on the frame where it meets the transfer case brace, and did the same thing, but I will eventually take the brace off and do a better job on it.

My side step had so much rust on it, that the rust showed up further around where I sprayed the converter. So, if there is a lot of rust, I dont think the spraycan stuff will do. You will need the POR product. I intend to use that on my frame and transfer case brace. May cost more, but worth the effort.

I haven't had the jeep long enough to tell you if this stuff holds up over a couple of years. I would expect it to do a reasonable job, or I wouldn't have used it

Maybe someone else with a longer time of using this product can chime in.
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Old 03-21-2012, 11:42 AM   #4
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Just last weekend I used POR-15 on half the underside up to the transmission. I will do the front half this weekend. Be sure to remove the plastic rear wheel wells and the small amount of plastic under the front fenders. It is important that you use the degreaser and etcher as per the instructions. Yes, it is expensive, and its time consuming and tedious getting in all the crevices. (That's the reason I only did half, finishing the rest later) but in the long run it is well worth it. Do not make the mistake of getting only the Top Coat, as it does not have the rust inhibiting properties of POR-15. You can use Chassis Black on the frame as a top coat, however the semi gloss black POR-15 will do just fine without a topcoat as it is not subjected to direct sunlight.
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Old 03-21-2012, 11:43 AM   #5
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Oh, I have used it many times on my other vehicles and found that it holds up for years.
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Old 03-21-2012, 11:43 AM   #6
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Hey man, after you do whatever you're going to do with or without Por15, could you post some pics and do a write up please? That would be great. My jeep looks a little like yours and I'm thinking about "repairing" the rust. Just trying to figure out what to use.

BTW, good post 4wheelin!

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