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Unread 08-16-2011, 10:58 AM   #1
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1990 YJ Wrangler 
Join Date: Jun 2008
Location: st. louis
Posts: 1,273
Eastwood Internal Frame Coating

My jeep was from Southern Idaho and was 99.9% rust free when I got it and I'd like to keep it that way. It literally had bare shiny unrusted metal in places where the paint had come off the frame when I got it.

Its been in St. Louis 3 winters now. Lots of surface rust was starting underneath.

I've painted everything underneath with Rustoleum Rust encapsulator before last winter, touched it up this spring, and put herculiner on the inside the first year I had it. That seems to be doing a good job.

I can shine a light inside the holes in the frame and see it starting to rust (when I got it, there wasn't anything like that in there). I'd like to do something inside the frame too so it doesn't rust from the inside.

Searching around, the Eastwood Internal Frame Coating seems to be the best stuff (aside from the cost).


Is there something cheaper that is really basically the same stuff?

How many cans did it take to do the inside of the whole frame?

What kind of prep did you do?

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Unread 08-16-2011, 11:03 AM   #2
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2008 JK Wrangler 
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I read a thread on here somewhere where the guy soaked a rag or something in a rust converter (the one from Monstaliner I think) and pulled it through the frame with some sort of rope or something. Not sure how easy that would be with the body still on the frame though
""Leave it stock, it will live longer. Just understand that its never gonna be as fast as a minivan""
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Unread 08-16-2011, 01:18 PM   #3
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1987 YJ Wrangler 
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When I did my frame I used just under two cans, I think it worked good although the Jeep as not been outside since I did it in November. I think I only drilled one small hole on the drivers side frame rail so I could get the tube inside to get that part. I think it should work fine. good luck.
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Unread 08-16-2011, 02:01 PM   #4
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1987 YJ Wrangler 
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My brother in law restores classic cars for a living and he swears by Eastwood products. He purchased me 2 quarts of the Eastwood rust encapsulator for my tub because the floor pans have surface rust on them. As far as cost goes, it may be expensive, but it works. He uses it on 60k restores......
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Unread 08-16-2011, 05:09 PM   #5
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Thanks, just ordered 2 cans. . .
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Unread 08-16-2011, 05:51 PM   #6
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1987 YJ Wrangler 
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Location: se wisconsin
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I used them last year on my frame and seems to be holding up well.
Time will tell
I also used two cans and I taped up holes I didn't need to spray into so
I didn't get paint all over the place.
Just look at the video they have on their website.
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Frame rust , rust prevention , rust proofing
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