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Old October 27th, 2007, 10:08 PM   #1
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Default rubicon axles on 99tj

was looking at purchasing rubicon axles for my 99 tj and was wondering would be involved in doing the swap or if it would be even worth it.
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Old October 28th, 2007, 08:19 AM   #2
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You'll need the required hardware to actuate the lockers.


Otherwise, they should bolt in and also give you an instant boost in gearing if you don't already have 4.10's. Your driveshaft lengths will change also.
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Old October 28th, 2007, 08:31 AM   #3
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Also, just make sure you are getting TJ rubicon axles. JK rubicon axles are now hitting the market, used, and new(for a pretty decent price for brand new axles), which are completely different
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Old October 28th, 2007, 02:38 PM   #4
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Also, just make sure you are getting TJ rubicon axles. JK rubicon axles are now hitting the market, used, and new(for a pretty decent price for brand new axles), which are completely different
Good call
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Old October 28th, 2007, 07:47 PM   #5
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Good point, but would he care? Would JK axles actually not work under a TJ? Wouldn't he be replacing pretty much everything that would have been incompatible?
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Old October 28th, 2007, 08:02 PM   #6
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Related question: If I put a Rubicon TJ Rear D44 on my 98 TJ (replacing a D35) would a Rubi driveshaft solve the driveshaft length issue?

Will a Rubi driveshaft attach to my NP231?
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Old October 28th, 2007, 08:09 PM   #7
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Related question: If I put a Rubicon TJ Rear D44 on my 98 TJ (replacing a D35) would a Rubi driveshaft solve the driveshaft length issue?

Will a Rubi driveshaft attach to my NP231?
The Rubi driveshaft is set up for a the 241 Rock-track t-case, and they don't have a slip yoke, so no, the driveshaft isn't really compatible.
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Old October 28th, 2007, 08:42 PM   #8
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The Rubi driveshaft is set up for a the 241 Rock-track t-case, and they don't have a slip yoke, so no, the driveshaft isn't really compatible.
I suspected as much. Thanks.
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Old October 28th, 2007, 08:48 PM   #9
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Good point, but would he care? Would JK axles actually not work under a TJ? Wouldn't he be replacing pretty much everything that would have been incompatible?
I'm going to make a non-educated guess that the suspension mounts would need to be cut off/reworked. The wheels would need to be replaced since the bolt pattern is different. He'd possibly need custom driveshafts since the joints are different, too.

And another non-educated guess that someone spending coin on rubicon axles wants to bolt them in, no fuss, no muss...


Regardless, the rear is discs, right? So the brake system should be given attention at that time, as well.
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Old October 28th, 2007, 10:27 PM   #10
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I assumed that he'd have to do something about his driveshafts anyway, but I wasn't thinking that the control arm mounts were going to be vastly different (dimensionally) than a TJ. I agree on the rear disc proportioning, but that might so complicated with the use of a JK prop valve.

And he could always buy Kennedy's wheels/tires if he feels like rolling the dice on getting them. :tonka:
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Old October 29th, 2007, 10:11 PM   #11
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thanks for all the info-once i get around to getting it done ill let you know.

and in regards to it being no fuss-thats the biggest reason and propably less i can screw it up
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Old October 29th, 2007, 10:17 PM   #12
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and in regards to it being no fuss-thats the biggest reason and propably less i can screw it up
Come on give yourself a little more credit then that!!
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