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Old Jul 13, 2010 | 10:06 AM
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Default Gears

I am ignorant when it comes to gears. I have 4.10 in the rear axle. Pro? Con?

Thanks
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Old Jul 13, 2010 | 10:15 AM
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It all really depends on the size of your tires. 4.10s with stock tires is pretty good. Better of course than the stock 3.73 or the 3.21 that comes with stock vehicles. (4.10 is stock in some years and models)

However, if you get bigger tires, many people will recommend getting better gears to thwart off the loss of power you will feel. Popular gear ratios are 4.88 and 5.13. many people who get 33" tires will shoot for 4.88 (also does well with 35's) however people looking to go 35's and maybe higher tend to go for the 5.13 ratio

Heres a chart that kinda shows you what im talking about.

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Old Jul 13, 2010 | 10:50 AM
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Great info. Thanks!

So I am running 35"'s, with 4.10's and a six speed. So according to the chart, I am in the acceptable gear range. Having said that, Better wheeling in the future would suggest 4.88 or 5.13. Correct?
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Old Jul 13, 2010 | 10:54 AM
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Dead on sir. I myself debate between 4.88's or 5.13's for my Auto JK. I want 33's as my next tire...then after that I may find myself upping to 35's

Last edited by Rawb77; Jul 13, 2010 at 11:43 AM.
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Old Jul 13, 2010 | 11:05 AM
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Thanks for the education.

Also, God Bless Texas!! I've got family in Lampasas, San Antonio and Marble Falls!
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Old Jul 13, 2010 | 11:38 AM
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Originally Posted by jpfan
Great info. Thanks!

So I am running 35"'s, with 4.10's and a six speed. So according to the chart, I am in the acceptable gear range. Having said that, Better wheeling in the future would suggest 4.88 or 5.13. Correct?
4.88's for Manual is most common. Auto's tend to go to 5.13's, unless they have a Rubicon model then they choose 5.38's.
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