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Old 11-17-2008, 10:30 AM   #1
herodcreekfarms
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4x4 frame info needed

hi guys i have a 1972 chevy short bed 4x4 and i was wondering if the rear axles/ tires was supposed to sit in the middle of the wheel well or is it off centered towards the front. also is the 1971 4x4 frame the same as a 72 4x4. because the one i have is actually a 4x4 conversion, and i found a 1971 4x4 short bed frame on craigs list, that i am considering buying
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Old 11-17-2008, 12:08 PM   #2
Yukon Jack
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Re: 4x4 frame info needed

I don't have any good side pics of my 69 before I lifted it, but I do know the rear axle was a little forward of center in the wheel well. Very pronounced after I added larger tires and a shackle flip to lift the rear end.

The 71 and 72 4x4 short bed frame will be the same.

I personally prefer the axle to be centered. When I put a 14bolt in my 70 K5, I did my best to get it centered in the wheel well.
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Old 11-17-2008, 12:19 PM   #3
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Re: 4x4 frame info needed

There are ways to move the axle back but I did notice that mine was towards the front, they are also narrower in the rear than the front axle...
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Old 11-17-2008, 01:38 PM   #4
Gene Sharp
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Re: 4x4 frame info needed

If you have a lift kit with blocks ,,,,,,the blocks are angled for U-joint alignment adn they also move ther rear foreward a little so you do not have to lengthen drive shaft to make up for lift

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Old 11-17-2008, 08:12 PM   #5
jrdv
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Re: 4x4 frame info needed

ORD-OffroadDesign had a zero rate block that lets you center the rear axle. I used one on my 69 GMC.
Use this link and scroll the the last post.
http://67-72chevytrucks.com/vboard/s...d.php?t=280132

I put a 4' lift on plus the ORD block and I had to have the driveshaft lengthend. If you just put the block on, you probably won't have to lengthen the driveshaft.

john

Last edited by jrdv; 11-17-2008 at 09:26 PM.
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Old 11-17-2008, 09:19 PM   #6
71 super
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Re: 4x4 frame info needed

The frames are very very similar, there are a few differences- one being the attach point for the support rod for the e brake- 71 has a tab that is riveted onto the frame on pass. side. 72 does not have this.
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