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Gears and lockers!

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Old Mar 26, 2012 | 10:18 AM
  #1  
chrisquested's Avatar
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From: San Antonio, TX
Year: 2001
Model: Cherokee
Engine: 4.0L
Default Gears and lockers!

I am about to buy/order some stuff here soon and want to make sure that i am getting the right stuff.....

So in order to re gear my cherokee all i need is a ring and pinion set??

Also since i re gear can i still put in a spartan lunch box locker or does it got to be a special type? i am not sure how axles work.


I was looking into this guy who is selling 4:56 gears.

I have two sets of Motive gears

one used but not abused set, (2000 miles on them) 4.56 ratio gears for dana LOW PINON front axle
asking $100 obo

and one brand new (still in the box) 4.56 ratio gears for Chrysler 8.25 rear axle
asking $150 obo
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Old Mar 26, 2012 | 10:50 AM
  #2  
GoinJeepin's Avatar
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From: BrushPrairie Wa.
Year: 1991
Model: Cherokee
Engine: 4.0 HO
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Depends on what gears you have now. If their stock you will need new carriers for the 4.56's.
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Old Mar 26, 2012 | 10:59 AM
  #3  
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From: Lynchburg, VA
Year: 1997
Model: Cherokee
Engine: 4.0L I6
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Your 97 is high pinion, not low pinion. The front d300 needs a 3.73-up carrier. Rear is fine. Recommend limited slip like a trutrac or delectable for front. Lunchbox will be good for rear

Last edited by Boost Happy; Mar 26, 2012 at 11:02 AM.
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Old Mar 26, 2012 | 11:03 AM
  #4  
Rock Toy's Avatar
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From: Cove, OR
Year: 1993
Model: Cherokee
Engine: 4.0
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Originally Posted by chrisquested
I am about to buy/order some stuff here soon and want to make sure that i am getting the right stuff.....

So in order to re gear my cherokee all i need is a ring and pinion set??
No, you'll need an install kit that has the bearings etc. and a carrier for the D/30. The carrier break on a D/30 is 373 and down, 392 and up.

Originally Posted by chrisquested
Also since i re gear can i still put in a spartan lunch box locker or does it got to be a special type? i am not sure how axles work.
Yes, you can install a lunch box locker. If you don't know how a differential works start reading, you don't want to be tackling a job like this unless you know what you are doing.


Originally Posted by chrisquested
I was looking into this guy who is selling 4:56 gears.

I have two sets of Motive gears

one used but not abused set, (2000 miles on them) 4.56 ratio gears for dana LOW PINON front axle
asking $100 obo
A 97 Cherokee came with a hi pinion D/30, the gear set for a low pinion D/30 will not work in a hi pinion D/30.

Originally Posted by chrisquested
and one brand new (still in the box) 4.56 ratio gears for Chrysler 8.25 rear axle
asking $150 obo
The C/8.25 should work fine, but I would check with a couple of places to find out what kind of prices I could get buying both front and rear master setup kits and both ring and pinion sets together.
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Old Mar 26, 2012 | 11:13 AM
  #5  
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From: Milwaukee, WI
Year: 1987
Engine: Check
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Where do you suggest getting the install kit?
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Old Mar 26, 2012 | 11:46 AM
  #6  
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Model: Cherokee
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Chris,
The Dana 30 carrier break is 3.73, not 3.92 as previously stated.

Have you ever installed gears before?
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Old Mar 26, 2012 | 11:59 AM
  #7  
Boost Happy's Avatar
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From: Lynchburg, VA
Year: 1997
Model: Cherokee
Engine: 4.0L I6
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Originally Posted by SeriousOffroad
Chris,
The Dana 30 carrier break is 3.73, not 3.92 as previously stated.

Have you ever installed gears before?
Yup, that's what I said
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Old Mar 26, 2012 | 06:36 PM
  #8  
chrisquested's Avatar
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From: San Antonio, TX
Year: 2001
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Engine: 4.0L
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Never installed gears
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Old Mar 27, 2012 | 07:18 AM
  #9  
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If you plan on doing so you'll need to invest in some specialty tools, not too many people want to even attempt it or invest in the required tools.

The key to doing it right is time, lots and lots of time.
Hit me up via PM if you decide to do it yourself.
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Old Mar 27, 2012 | 10:23 AM
  #10  
Rock Toy's Avatar
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From: Cove, OR
Year: 1993
Model: Cherokee
Engine: 4.0
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Originally Posted by SeriousOffroad
Chris,
The Dana 30 carrier break is 3.73, not 3.92 as previously stated.
Sorry, I screwed that up, don't know what I was thinking.
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Old Mar 27, 2012 | 10:44 AM
  #11  
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Shame,shame, shame!!

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