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Old 09-27-2022, 02:49 AM   #7
87Skier
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Join Date: Mar 2014
Location: Corvallis, OR
Posts: 711
Re: 72 Jimmy rust repairs

I ordered all the steel from GMCpauls except for the radio patch panel. Also picked up new body mounts. Took a few days to get the new mounts in and had to remove the radiator and rear bumper to install them. Needed about 3/8" under the main support to get the doors opening and closing properly. Then I just filled with spacers going back where necessary to level it out. It feels a lot more solid than it ever has, but there is some noticable rattles and vibration from the engine. I'm thinking they'll wear in a bit more and loosen up. I'll probably end up adjusting the exhaust mounts. They were a bit snug when they went in do that's not doing be any favors.

I'm still trying to figure out what I want to do underneath. I picked up some epoxy primer but I don't know if I want to do undercoat, bed liner, paint or something else to finish it. I drive on a lot of gravel so I can't imagine a paint holding up well, but the thicker coatings can crack and allow water inside.
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1972 GMC Jimmy Custom 4.8L (L20)/6L90E/NP205
1989 Chevy Suburban V2500 350/Turbo 400/4.11 gears
1996 Chevy Suburban K1500 350/4L60E
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