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Discussion Starter #1
New to the Forum and NOOB to jeeps.

Just bought 2 lifted Rubicons, 1 2013 (mine) with 37" pro comp MT2's built for rock crawling (automatic), and a 2007 (manual) that had 34" pro comp MT2's...but just changed them to 37" pro comp Mt2's. The auto 2013 does great for acceleration,etc. But the 2007 really boggs down on the highway or going up the slightest hill. I am assuming re-gearing is needed, but i am not sure what gearing to go with or what gearing is in it. Please lend me advice.....I'm not new to forums, so i know i will get some heat for this.
 

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Gunnery Sergeant USMC (ret)
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22,098 Posts
First find out what gears are in it. DO BOTH AXLES.

Then determine where you want to be at. I run 5.13's my buddy runs 5.38's.

 
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