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Old 05-09-2011, 11:27 PM
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New gears?

I have an 08 4 door Sahara and am about to move to a 35's looking to re-gear and just trying to find out some info on the same size tire with 4:10, and 4:56? its a daily driver and i do take it out on the weekend to get dirty so i'm tying to decide on something that fits both. Any help is welcomed!
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Old 05-09-2011, 11:32 PM   #2

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I have 35's on my Sahara (auto) & when I got the Jeep it had 410 gear ratio, it sucked.I got 513 GR & a superchip, now it is not bad on the highway

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Old 05-09-2011, 11:42 PM   #3
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Is it a Auto or Manual? 35 tires need pretty low gears. 35" tires are very stressful on your JK and require very low gears to help over come that stress. I would say minimum 4.88 for manual and 5.13 auto. Since you have a D30 front axle the 5.13 is the most you can go. Besides 4.10 are extremely hard to find and the few that are made are back ordered well into the summer. Another thing is Yukon is one of the best you can get and you can't get 4.56 or 4.10's for your Jeep. 4.88/5.13 is all they make for non-rubicons.
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Old 05-09-2011, 11:43 PM   #4
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The common advice is 4.56's for 33's and 4.88's for 35's. However, if it was me and it was my daily driver, I would go one step numerically lower. In other words, I would stick with 4.56's. Especially considering it is a JK capable of reasonably high speeds and a daily driver. Also, you may want to scale back to 33's at some point.

Edit: I'm sorry, I assumed we were talking about a manual trans. What do you have?
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Old 05-10-2011, 10:16 AM
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Yeah its a manual 6 spd. I was looking at going to 33's as well. My first jeep had 33x12.50x17 and i never had a problem nor needed to re-gear. It seems like the JK just has a bigger space, and that most are going to a 35. I was looking in to superior for gears and liked their 4:56 combo. Thanks for the help!
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