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Post by thumper on Feb 12, 2015 13:24:51 GMT -4
Hey guys,
Planning out my hopefully summer build project for my 2014 JK sport... I want to reinforce my axles, regear and add lockers. So far I have this
* axle trusses and c gussets for front and rear
* 4.88 ring and pinion for d30&d44, plus master overhaul kits
* detroit trutrac for dana44 year
* eaton e-locker, wiring, switches for d30 front
*diff fluids
The jeep only has 16,000km on it so I figure I will run the OEM ball joints into the ground then upgrade when they're shot...
i have stock 3.21 gearing right now... how do I know if I need new carriers for the 4.88s? or is that not required with the lockers?
Anything else you think I'm missing?
Thanks
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eastcoastcam
Jeeper
Is it time to go wheeling yet??
Posts: 1,690
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Post by eastcoastcam on Feb 12, 2015 13:30:54 GMT -4
I am pretty sure you would need new carriers for both axles. I know the break for my TJ is 3.55 down and 3.73up. Not sure on JK but that much difference you can almost count on it.
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Post by andrew7447 on Feb 12, 2015 15:06:52 GMT -4
You will need new carriers. 4.88s with 33"? or 35s
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Post by thumper on Feb 12, 2015 15:35:37 GMT -4
You will need new carriers. 4.88s with 33"? or 35s For when I move to 35s |
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Post by andrew7447 on Feb 12, 2015 17:03:56 GMT -4
Could just get the super 30 pack with the e-locker. Then you could just use your stock shaft, as a trail spare. I dont have much trust in locked dana 30s but I beat down pretty hard.
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Post by thumper on Feb 12, 2015 18:03:31 GMT -4
I don't think I want to change my shaft spline, after doing a bit of reading I'm thinking 4.88's is too low for 35s and the 3.6l I'm thinking 4.56 may be better
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Post by andrew7447 on Feb 12, 2015 18:27:49 GMT -4
I don't think I want to change my shaft spline, after doing a bit of reading I'm thinking 4.88's is too low for 35s and the 3.6l I'm thinking 4.56 may be better Yea 4.88 is a "performance gear set" with 35s haha. I guess 37s out of the question with the dana 30 later on. www.wranglerforum.com/f274/jk-gear-ratio-chart-134061.html |
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The Garagemahal
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Build Thread King
Resident Army Ranger , Navy Seal , Super-Warrior , Ninja !!
Posts: 11,518
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Post by The Garagemahal on Feb 12, 2015 21:55:21 GMT -4
Your full case lockers replace the stock carriers , go 4.56 , 4.88 is too small for the d 30
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Post by thumper on Feb 13, 2015 10:01:40 GMT -4
Your full case lockers replace the stock carriers , go 4.56 , 4.88 is too small for the d 30 Yeah I am kinda thinking 4.56 is the way to go now. Cheers |
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coolwind1
Moderator
President - Halifax Chapter
Posts: 1,318
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Post by coolwind1 on Feb 13, 2015 11:12:27 GMT -4
I'm running 4.88 with 35" tires on a d30. It is a fun setup for crawling but you have to pamper it also if you start spinning them tires. I already blew the front d30 once from not waiting to be recovered. It just didn't seem to like the ice, water, mud combination at 3500 RPM. Granted, that is what I stuck back in it again, and eased up on the skinny pedal. I looked on many JK forums and 4.88 were listed as max on a d30. If I was to rebuild the front and back again though 4.56 would be my choice of gearing and I would probably still watch the skinny pedal.
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badwithcomputer
Jeeper
You have DC2's? You just made a new best friend.
Posts: 2,863 
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Post by badwithcomputer on Feb 13, 2015 14:24:42 GMT -4
Go with the Elocker in the rear.
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Post by thumper on Feb 13, 2015 16:21:57 GMT -4
Go with the Elocker in the rear. Whys that? |
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badwithcomputer
Jeeper
You have DC2's? You just made a new best friend.
Posts: 2,863
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Post by badwithcomputer on Feb 13, 2015 20:58:44 GMT -4
Nevermind. I wasn't familiar with how the truetrac operated compared to other "auto" lockers. Carry on my wayward son.
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