06 LJ Rubi on 36” IROK : preventive solution - Page 2 - Rubicon Owners Forum
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post #11 of 13 (permalink) Old 01-09-2020, 12:18 PM
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Originally Posted by johncanfield View Post
The rear axle takes most of the abuse when rock crawling so generally it's the first one to break. I broke the spider gears in my stock rear diff but the R&P was okay as I recall, I do think the LSD makes the diff more breakage prone. A popular upgrade is to replace the rear diff with either a Rubicon front diff or an ARB, E locker or whatever floats your boat.

As inline6 mentioned the ultimate 'fix' is to upgrade to a D60 (which I did.)



Do sway bars fit with your D60? I had a chat at a meet-up with a guy who had D60's, hemi conversion, and basically anything at all that can be thrown into the LJ, but he couldn't fit any sway bars. I can't remember if the discussion involved only the rear axle, though.
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post #12 of 13 (permalink) Old 01-10-2020, 07:31 AM
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I have a rear sway bar on my pro rock 60 in the TJ. Its an antirock mounted in front of the axle. I think this works better when outboarding shocks or coil overs.

so yes it can be done

2003 Rubicon, just PR 60s, COs, ...
2004 Dodge CTD, with stuff
2005 Rubicon LJ, stockish
2017 JKU sport, just UD60
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post #13 of 13 (permalink) Old 01-10-2020, 09:40 AM
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My rear axle is 4-linked - no sway bar. With the 4-link the axle can articulate equally in both directions unlike with a sway bar. 4-linking was a really huge performance upgrade and I could tell the difference when we tested the modifications in a rock garden near the 4x4 shop. The owner was watching my suspension as I climbed a series of rock steps.
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