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Old 08-29-2015, 10:24 AM   #257
Jonboy
Slots go on anything!
 
Join Date: May 2003
Location: Richardson, TX
Posts: 5,961
Re: Polar Bear Suburban

I ended up with a 32 spline NP241 and that's how my Jimmy project spiraled out of control. I originally was going to just flip the truck with a fresher 350 and a rebuilt TH350/NP203, but a low mile parts truck we acquired (90 3/4 ton Suburban ambulance) gave up it's transfer case and axles. A 4L80e bolts right to the case, and you might as well do an LS in front of that, so that's where I am at now. I am wanting to mimic your suspension lift for my Jimmy too.
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1974 Jimmy- 5.3/4L80e/NP241
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