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Old 11-09-2011, 05:11 PM   #3
Captainfab
60-66 Nut

 
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,254
Re: Difference in 2wd to 4wd frame

There are a few crossmembers that are different as well on the factory 4x4 trucks and Burbs.

But since you are wanting to convert a 2wd to 4wd, that shouldn't be a problem. You don't have to build the frame exactly like an original 4x4 frame. Depending on what type of suspension you are wanting, you could use a '73-'87 4x4 as a donor for everything but the frame. Some will say, use the newer frame, but I would suggest keeping the original frame and building from that.
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