How do I find out what gear ratio I am running? - Jeep Wrangler Forum

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Old 07-15-2013, 05:00 PM   #1
Wrangler Wrassler's Avatar
Join Date: Mar 2013
Posts: 71
How do I find out what gear ratio I am running?

I have owned my JK now for four months but still have not found in all of the paperwork and searching of forums how to find out. I am the second owner and I am running 285/75/16's. the tires still have good life however when they are ready for upgrade, I want to go to 35's. I plan on adding a 2.5" inch lift and replacing bumpers. I don't know specifics about what I'm going to go with as I am still in the process of seeing what I need out of it. Any help on finding my ratio though would go a long way in getting what I have now vs where I am going to go. 2011 6sp 2 door sport.

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Old 07-15-2013, 05:03 PM   #2
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Join Date: Mar 2012
Location: Oakdale, CA
Posts: 858
If you have a copy of the build sheet, it'll say on that. If not you can request one or register your jeep on and go to the optional equipment link and it'll show what gearing you have.

2012 Black JKUR. 15" wheels/33"tires, Hurricane Flat fenders, Trailforce HD rear bumper, Spiderwebshades on top and on Rancho tube doors, RR aluminum hood catches, QT tonneau cover, Mopar hood lock, Bestop underseat lock box
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Old 07-15-2013, 05:13 PM   #3
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Join Date: Mar 2013
Posts: 71
Ok, cool I found out it has 3.21 so I guess I'll be needing and upgrade before I can go further.
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