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ring and pinion question

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Old 05-25-2009 | 12:55 PM
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dangerousdavid's Avatar
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Year: 1992
Model: Cherokee
Engine: 4.0 HO
Default ring and pinion question

does anyone know how to tell which gear ratio you have in your diffs? do you count the teeth on the gears or what. i put my ox locker in over the past few weekends and i had to have my ring gear machined down to fit in. i know it sounds wierd but thats what had to happen. can anyone shed some light on my situation? thanks
Old 05-25-2009 | 01:48 PM
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parkerbabco's Avatar
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From: Punxsutawney Pennsylvania
Year: 1988
Model: Cherokee
Engine: Renix 4.0 I6
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http://www.csgnetwork.com/rnggrpinioncalc.html
Old 05-25-2009 | 02:27 PM
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a1racer's Avatar
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From: socal
Year: 2000
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Engine: 4.0
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why did they have to cut the gear down i though you only had to trim a piece of the inner housing down. at least that is how it is for the Dana 44.
Old 05-25-2009 | 02:39 PM
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if you needed to trim your friggin ring gear you got the wrong locker for your gearset

there are many ways you can check what gears you have

turn the pinion and count how many times it turns for the tire to make a complete rotation

roughly 3.5 turns= 3.55

roughtly 4.5 turns= 4.56's

but if you needed to trim your ring gear, you probably have a low gears locker and high r&p gears

and i would never run what you are. less thread engagement in the ring gear bolts.
Old 05-26-2009 | 07:59 AM
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dangerousdavid's Avatar
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Year: 1992
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i guess i'll just have to change out my gearing in both ends.
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