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Introducing MONSTALINER™ UV Permanent DIY Roll On Bed LineOfficial Chassis Saver Rust Preventive Truck & Auto UnFS: 2007-2013 Jeep Wrangler "HALO" Angel Eye Kit

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Unread 06-23-2013, 11:28 AM   #16
mschi772
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1996 XJ Cherokee 
 
Join Date: Apr 2012
Location: Racine, WI
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Front axle is likely a D30, but it might be a D44.

To know your gear ratio, if it is stock, there may be a tag attached to the diff cover; though by now many different things could have made it go bye-bye. A build sheet will also tell you if it is stock. If it is totally stock--and you know it is for sure--you can submit your VIN to either Chrysler or Compnine.com to get a complete build sheet.

A simple DIY way of figuring it out yourself:
Quote:
Block your front wheels. Jack your rear wheels off the ground. Put your tranny in nuetral. You'll need a piece of chalk or similar marking device. Make a chalk mark on one of the 4 needle bearing caps on your rear driveshaft, rear U-joint. Then, mark a chalk line from the rim outward somewhere on the inside of one of your rear tires. Start turning that tire and watch the DS too. Count how many turns of the tire it takes to make one full turn of the rear DS. 3 and 1/2 turns equals 3.55:1 gears, 3 and 3/4 turns equals 3.73:1 gears, 4 turns equals 4.10:1 gears, etc.


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2002-2009 1983 Chevy El Camino
2009-2011 1994 Cadillac Eldorado ETC
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Wheels wanted to buy:
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KJ 17x7.5 6-spoke, or KJ 16x7 5-spoke alloy

Paying ~$50 per wheel--Classified ad HERE
Have 4 (oxidized) Lace and 5 Eccos for potential trade
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Unread 06-23-2013, 11:45 AM   #17
86freeman68
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1986 XJ Cherokee 
 
Join Date: Jun 2013
Location: big stone gap, va
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I'm out at my jeep now and I'm looking under at the axles and to me it doesn't look like any of the ones on that chart thing. Should I post pics?
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Unread 06-23-2013, 01:40 PM   #18
86freeman68
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1986 XJ Cherokee 
 
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would it be dana 30 and dana 35c?
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Unread 06-23-2013, 01:55 PM   #19
86freeman68
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1986 XJ Cherokee 
 
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What engine does your 87 have?
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Unread 06-23-2013, 04:35 PM   #20
chris87xj
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1987 XJ Cherokee 
 
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Location: Indianapolis
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Odds are pretty good your XJ has 3.55 gears.
Check here for a lot of other great info Cherokee stock specs.
More good info here
Cherokee Tech info
and here XJ lift setups.
Those should keep you busy for a while and answer a lot of your questions.
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Unread 06-23-2013, 05:28 PM   #21
mschi772
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I will also agree with D30 & D35.
__________________
2002-2009 1983 Chevy El Camino
2009-2011 1994 Cadillac Eldorado ETC
2011-Pres 1996 Jeep Cherokee Country
Wheels wanted to buy:
4 or 5 Turbines, old XJ 5-slot,
KJ 17x7.5 6-spoke, or KJ 16x7 5-spoke alloy

Paying ~$50 per wheel--Classified ad HERE
Have 4 (oxidized) Lace and 5 Eccos for potential trade
Biologist
Dog trainer
Mountain biker
Gamer
Jeep owner
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Unread 06-23-2013, 07:29 PM   #22
mschi772
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1996 XJ Cherokee 
 
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Location: Racine, WI
Posts: 1,570
Quote:
Originally Posted by blackolive99 View Post
I've not ran into anything but 355's with and auto unless it was a 5spd 4cyl 2.5.
But that being said, 5/4 combo usually had 4.10's.
3.07:1 for 4.0 manuals
3.73:1 for 4.0 autos with tow package
4.10:1 for 2.5 auto & manuals
4.56:1 for 2.5 autos with tow package
All others were 3.54/3.55.

Factory gear ratio for all V6 models was 3.55:1, so if you don't think they've been changed, that's what you have.
__________________
2002-2009 1983 Chevy El Camino
2009-2011 1994 Cadillac Eldorado ETC
2011-Pres 1996 Jeep Cherokee Country
Wheels wanted to buy:
4 or 5 Turbines, old XJ 5-slot,
KJ 17x7.5 6-spoke, or KJ 16x7 5-spoke alloy

Paying ~$50 per wheel--Classified ad HERE
Have 4 (oxidized) Lace and 5 Eccos for potential trade
Biologist
Dog trainer
Mountain biker
Gamer
Jeep owner
mschi772 is offline   Reply With Quote




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