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Finally gonna regear... 4.11 or 4.56- your advice?

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Old 08-13-2010, 02:12 PM
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Talking Finally gonna regear... 4.11 or 4.56- your advice?

Really tired of the loss of power so I'm gonna regear. I've seen all the charts but find them kinda confusing. I need your advice folks...

Here is some info on the rig

88 Jeep cherokee
33 in Tires
AW4 Tranny
NP242 Transfer case
Dana 35 rear
Dana 30 front (reverse)

I'm not gonna go to 35s ever so I really wanto to get it as close to stock configuration as possible. So..

Should I go 4.11 or 4.56?

Thanks!
Old 08-13-2010, 02:15 PM
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4.56 since you have an auto
Old 08-13-2010, 02:34 PM
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Originally Posted by 96_xj
4.56 since you have an auto
I thought that automatics would bring the rpm range higher and therefore would need lower gears instead of higher ones. Do I have this wrong?
Old 08-13-2010, 02:38 PM
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4.56 will make it real close to stock not taking into consideration the extra drag from the bigger tires and lift. Wouldn't waste the money regearing the 35.
Old 08-13-2010, 02:42 PM
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Originally Posted by xjmarc
4.56 will make it real close to stock not taking into consideration the extra drag from the bigger tires and lift. Wouldn't waste the money regearing the 35.
Weird. I've heard from some folks that regearing a 35 is quite alright. Just to give you a background, I'm not gonna be doing any crawling. Just day to day driving and the occasional hunting trip with some moderate 4 wheeling. Is the dana 35 that weak?
Old 08-13-2010, 02:56 PM
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Some people don't have issues with them but there are very few of those people. If you don't plan to wheel it, only street driving and the occasional trip down the trail to the hunting camp you might be OK but if it were me I'd try and find a 8.25 out of a 96 and newer XJ.
Old 08-13-2010, 03:03 PM
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Originally Posted by Tetrylone
I thought that automatics would bring the rpm range higher and therefore would need lower gears instead of higher ones. Do I have this wrong?
no because of the 7%-11% power loss in the torque converter you need a numerically lower gear ratio to compensate. so if you had a manual transmission 4.10's would be okay for 33's but since you have an auto you need to make up for the power loss and need 4.56's.


and i agree with grabbing a chrycorp 8.25 from a 97+ cherokee (the reason i say 97+ instead of 96+ is because some 96's came with 27 spline and some came with the 29 spline. you want the 29 spline. and getting a 97+ guarantees that you will get one with 29 splines.)
Old 08-13-2010, 03:04 PM
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You will be fine regearing the dana 35 but. You will find a lot of us haters out there but we crawl and wheel so we will not waste the money on regearing a dana 35.

Regearing a 35 is like polishing a turd. lol

But As long as you don't do any serious offroading I think you would fine.

Also the gearing for your tires would be best at 4.56

If you are lucky you can go to a JY and find a 4cy they came stock with 4.10 and that would be better to since it would be a lot cheaper.
Old 08-14-2010, 02:29 PM
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OK. I might swap up to a 44. Found a guy with a 44 already geared to superior 4.56 and with lockrite locker. Superior gears ok? Lockrites ok?
Old 08-14-2010, 04:30 PM
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For what you want to do yeah sure. But you won't really like having a rear locker if you are not offroading that much.
Old 08-14-2010, 04:34 PM
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Dont even think about 4.10 gears. I went to 4.56 and almost wish i went even lower. And dont waste money on a D35, i've heard of them breaking on the road. Throw it in the trash and nab a 8.25.

The 8.25 is even easier to set up the gears on too since it uses threaded side adjusters instead of shims.

Last edited by Iant333; 08-14-2010 at 04:36 PM.
Old 08-14-2010, 05:03 PM
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Originally Posted by XJ Stryker
For what you want to do yeah sure. But you won't really like having a rear locker if you are not offroading that much.

Well, I already have an ARB that was gonna go in the 35 but it came with the xj when I bought it. Figure it wouldn't be bad to have but I know an ARB works quite a bit differently than a Lockrite. I'm mostly asking cuz I don't want any issues with the lockrite on the road.
Old 08-14-2010, 05:09 PM
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If you have an ARB you wont notice it on the street. It only locks when you flip a switch. A lockrite locks when you give it some gas.
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