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Unread 11-25-2013, 06:43 AM   #16
vinnyabs
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1983 CJ7 
 
Join Date: Nov 2011
Location: tampa, fl
Posts: 520
I don't have a clue as to all the physics above, bit I'm with Matt on the phosphoric acid product. I have used it exclusively and have been very happy first on the engine and drive train then body and accessories. I now keep a bottle for general home use and to lend to friends who don't know about it.

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Unread 03-15-2014, 01:25 PM   #17
smbundy13
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2012 JK Wrangler 
 
Join Date: Apr 2010
Location: Alabama
Posts: 312
my brother-in-law told me to get "De-natured Alcohol" and spray that on the area that you wire wheel rust off of... I haven't tried it yet so we will see if it does anything.
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1984 CJ-7
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Unread 03-16-2014, 04:49 AM   #18
Mike Romain
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1986 CJ7 
 
Join Date: Nov 2007
Location: Off the Grid in Chester Grant, Nova Scotia, Canada
Posts: 13,253
Quote:
Originally Posted by smbundy13 View Post
my brother-in-law told me to get "De-natured Alcohol" and spray that on the area that you wire wheel rust off of... I haven't tried it yet so we will see if it does anything.
Alcohol absorbs an amazing amount of water, I sure wouldn't be using it on raw steel. I would be expecting it to cause rust. Could be wrong, but.
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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
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Unread 03-16-2014, 07:29 AM   #19
243
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1983 CJ7 
 
Join Date: Sep 2002
Posts: 3,256
I took my entire CJ down to bare metal between 2008-2010 using wire wheels, flap discs, medial blasting and some secret voodoo chit an old man told me about.

Coated everything with SPI epoxy primer and most everything was stored inside my house.

Followed it up with 2K primer, Evercoat filler and finished with PPG DBC base and SPI Universal Clear.

All mainstream good work procedures as far as I know.


Both front fenders have rust returning and I had access to *both* sides of the fenders. I was not surprised to see a rust bubble on the windshield frame and the rear of the tub below the tailgate where I did not have access to the back side of the metal. The fenders on the other hand should not have rust returning this soon. I have thought about this for a few years and want to take additional steps to prevent this on the Cherokee.

Based on what I have read, I believe I should have used a rust converter on the metal prior to priming.

Further, I think it would be important to coat the back side of the metal wherever possible, the A-pillars on the Cherokee are a major concern for me. I am planning to load a rust converter in a chemical sprayer, the air pressurized insecticide/herbicide type and spray the inaccessible spaces. In the A-pillars, I may have to swap the wand tip to a hose and feed it into the pillar but I will make sure that converter is running out and puddling on the floor or the ground before I call it good.
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