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Old 09-26-2008, 08:15 AM
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Jk axle put on a tj

Has any one put the new JK axle under their TJ?
Does any one now of affordable adapter kits?
How hard is it to do and what would need to be changed?
The JK axles are just so much more affordable and seem to be built fairly well.
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Old 09-26-2008, 09:57 AM   #2
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Im sure someone will chime in and add to what I have to say but I think the only thing you'll need to change to get it under your TJ is to move the coil buckets in a little. The bolt patter is also 5 on 5" compared to a TJs 5 on 4.5" so you will need to run new wheels or get wheel spacers that adpat the pattern to your old wheel. I think that may be it but I could be wrong since I dont have a whole lot of experience/knowledge in the area of JK axles besides their internals. I wouldnt bother paying the $$ to swap the front 44 in though, it is not a whole lot stronger that a high pinion D30 which bolts right up with no modification at all. Plus, a D30 is much cheaper and for the price youd spend on the front JK axle you coul build the 30 stronger and also get your locker/gears of choice. Just me .02, Im sure someone will let you know more.


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Old 09-26-2008, 08:42 PM
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bump, come on I know yall have some more input for me.
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Old 09-26-2008, 08:59 PM   #4
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All the brackets on the JK axle will have to be removed and all the TJ brackets welded on. That alone is another $300 cost if you do the welding yourself. And like GrnTJ said, they have a 5 on 5" wheel pattern meaning new wheels or spacer adapters.

I haven't read too much into aftermarket support for the JK D44's as they are not like older D44's, they are completely new designs and share nothing. I only know of new gear sets and maybe lockers for them. And for the money to really make they worth it, you can build a decent set of D60's.
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Old 09-27-2008, 12:41 AM   #5
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like AZ said you must remove all the jk brackets and weld on the tj brackets
you have to change wheels for the bolt pattern but you cant run 15" rims the brakes are to big
the new JK axles have had a few problems like the axle tube breaking
the rear tubes spinning A friend of mine has had his JK in the shop three times to get the rear axle replaced (under warrenty) he has only had the JK for about a year and its stock

just build some D60's and run 39's
or you can build the axles your jeep has now and run 35's-37's
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Old 09-27-2008, 03:16 AM   #6
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For the price of bracket to add to the JK axle and the JK axle itself you can get a D44 for your TJ.

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