ReGearing parts list
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From: southside indy
Year: 2000
Model: Cherokee
Engine: 4.0
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From: Cove, OR
Year: 1993
Model: Cherokee
Engine: 4.0
You may want to check out Randy's Ring & Pinion, and some of the other online driveline sites. You may also want to pick up a JY 29 spline rear end and then just change gears and lock it. That way you would already have the axle shafts and the carrier, of course if you are going to go with a full locker you will not need a carrier.
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From: Northern Alberta
Year: 1995
Model: Cherokee
Engine: 4.0l
with the assuies do i need a new carrier? dont think im gonna go full yet cuz eventaully im just gonna get some dana 60s and pump out some 37s 
and I can't really get jy rear cuz the yards around here suck
and I can't really get jy rear cuz the yards around here suck
Last edited by Sasq40; Oct 3, 2010 at 12:19 PM.
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From: Cove, OR
Year: 1993
Model: Cherokee
Engine: 4.0
You have more money than me then, I don't think I could afford to lock and change gears when I plan on going to Dana 60s. If by pump out some 37s you mean to upgrade to 37 inch tires. I would go to an Explorer 8.8 with 4.10s and lock it, that would be good for up to a 40 inch tire.
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From: Northern Alberta
Year: 1995
Model: Cherokee
Engine: 4.0l
well ive been told the dana30 wont hold up to 37s tho, and i plan to run 34s for a while till i start blowing stuff up then ill upgrade, thats why im gonna gear then now and run them till something big goes
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From: Cove, OR
Year: 1993
Model: Cherokee
Engine: 4.0
A hi-pinion 44 with aftermarket shafts would work fine and so would a 8.8. If it was me looking to run 37s on a Cherokee I would go with a hi-pinion 44 and a 8.8 and run 5.13 gears and ARBs front & rear with a 4-1 tera flex gear set for my 231 transfer case giving me a crawl ratio of 78.6 with a manual or 57.4 with an automatic. I would do the 8.8 now and when I got ready to go to the 37s all I would have to do would be upgrade the d30 to a d44. That is just me though.
Last edited by Rock Toy; Oct 3, 2010 at 04:22 PM.
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From: Glen Burnie, MD
Year: 1994
Model: Cherokee
Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip
to go any further then 35's on a cherokee requires major modification, and there are guys on here that do it but it will be a bunch of money and not for a novice. the dana 30 will be fine for 35's even locked, it will be fine.
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From: New Waverly, Tx
Year: 1997
Model: Cherokee
Engine: Used engine just put in less than 79kmiles onit jeepersCreepers 60mm TB, '99-'01 intake, BorlaHeader
ok if you want to just upgrade the splines to 29 spline, then you need to replace the two horizontal spider gears that support the shafts to later style 29 spline spiders. i don't see why you would want to do this cause unless you are locking your 8.25, then the 27 spline shafts are more then adequate to handle up to 35" tires with an open dif( a rear end without a locker). so unless you are switching to a locker, then i would just stick with the 27 spline shafts. hope this answers your question.
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From: Rapid City,SD
Year: 1988
Engine: 4.0
