33's vs. 35's - Jeep Wrangler Forum
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Old 03-09-2011, 02:37 PM   #1
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33's vs. 35's

Hey y'all,

Newcomer to the off-roading/jeep world. I currently have a stock motor and gear ratioed automatic transmission 2008 JK Sahara 2dr with a 2.5" lift. I have Mickey Thompson 33's on there right now, and really want to upgrade to a more aggressive tire, but also to 35's. Is this suggested without any sort of gear ratio or drive train modifications? I've heard mixed answers and just looking for something more solidified. Thank you.

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Old 03-09-2011, 02:56 PM   #2
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Absolutely not.

At most, you've got a 3.73 gearing, and that'll be a dog without a regearing. (Or a supercharger . . . ) More likely though you've got 3.21 gearing, which will be even doggier. Here's a chart that'll help point the way for appropriate gearing: (Tire & Gear Ratio Chart at Morris 4x4 Center)

There's other mods you would also want to consider for 35s. For example, your front axle should probably be reinforced if you're going to do any serious offroading.

Welcome to the forum! Stop by the JK section and say "Hi"!

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Old 03-09-2011, 03:28 PM   #3
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Thanks! Love the warm welcome and response . Got a link for the JK section?
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Old 03-09-2011, 03:34 PM   #4
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It's here: (JK Jeep Wrangler Forum - Jeep Wrangler Forum).

But you can get there from the main WF page. Just scroll down to "Wrangler Model Tech Forums." It's the first one listed.
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