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Old 03-30-2012, 12:25 PM   #1
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xy to yj axle question

I tried searching and have come up empty handed, but im wondering if a xj axle will fit under my yj easily? I dont mind rewelding new spring perches.

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Old 03-30-2012, 12:38 PM   #2
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Is there a particular reason why you want to?

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Old 03-30-2012, 12:43 PM   #3
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I did this swap to do away with the whole vacuum system mess on my front axle. If that is what you are referring to it works great. Takes some time to cut and redo the perches.
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Old 03-30-2012, 01:00 PM   #4
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you can accomplish the same thing by throwing just the shaft in, the only benefit is the CAD housing supposedly makes the tubing weaker. I'm trying to see why he wants to do it before recommending it.
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Old 03-30-2012, 01:27 PM   #5
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With the YJ axle you still have that box from the vacuum that you have to seal up. It is also a slightly beefier axle. When you have the 8.8 in the rear you can't do the waggy without lug pattern issues or getting custom shafts or running adapters. This is a good cheap upgrade if you have the time and skills to do it yourself.
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Old 03-30-2012, 01:37 PM   #6
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You can just as easily put the vacuum shift motor back on the CAD housing.. which will seal it back up.

My point is it's a better idea to figure out why he wants to swap it in.. if he blew an R&P for some reason maybe another d30 isn't a good idea.. better to get an idea of why hes entertaining the idea and guide from there.. sure it can be done, but should it be done is the question.
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Old 03-30-2012, 01:52 PM   #7
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Also since we're assuming front, i guess you should specify if you mean the front or the rear axle.
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Old 03-30-2012, 02:00 PM   #8
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I was just answering his basic question. I don't have a degree to be a therapist
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Old 03-30-2012, 02:03 PM   #9
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Quote:
Originally Posted by shayno View Post
I tried searching and have come up empty handed, but im wondering if a xj axle will fit under my yj easily? I dont mind rewelding new spring perches.
I'm gonna take a wild stab in the dark and guess that your talking about replacing your rear axle.. I've heard of people swaping out there Turd35 in there YJ for a C8.25 and D44 out of a XJ.. Those would both work.. Now with that said there are better upgrades out there I think for the YJ rear such as the F8.8 for one example.. But both of those XJ rears will swap over. How much work goes into it exactly off the top of my head im not sure but it's there for you. Im not sure if you are looking for something with the same gearing as your front so you can install and go or are gonna regear both front and rear for perhaps a bigger set of tires your running..
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Old 04-02-2012, 12:10 PM   #10
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The XJ/MJ rear D44 will swap over relatively easy. The only real work involved is rewelding the perches and shock mounts. Everything else will bolt up.

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