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Old 01-15-2011, 12:01 PM   #1
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Lift, wheels and gearing questions...

Hey guys,

So I'm gonna lift my 07 JKU. I don't do much wheeling, my jeep stays mostly on the pavement. I currently have 4:10 gears. So my questions are, can I run 35" tires with 4:10 gears? If so, how much lift do I need? Is a budget lift all that I need to safely lift the Jeep and still get a good ride on the road or do I need more of a standard lift? What type of performance differences are there between a budget lift and standard lift?

Thanks to everyone in advance for helping me with this.
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Old 01-15-2011, 12:06 PM   #2
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You'll probably be fine with a 2.5" to 3" lift. I personally prefer a coil lift, but if you're staying on the street a BB should be fine. If you have a manual transmission you'll be fine with your gears. An auto could be borderline, but could be helped with a chip tuner. You should get one just for adjusting your speedometer to the new tire size.


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Old 01-15-2011, 11:49 PM   #3
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^^Agree 100%.

I have an '09 2-door Rubicon with the stock 4.10 gears, auto trans, 2.5" coil lift, 35" tires on aftermarket wheels with 4.5" backspacing, and Superchips Flashpaq. No clearance issues, but I don't have the stock Rubi rails which if you do, might need to be trimmed in the rear. If you have the stock front plastic air dam, you may need to trim it or remove it. I've heard some say you need an aftermarket wheel with 4.5" backspacing at most, and others that say the stock wheels with 1.25" spacers (resulting in 5" backspacing) should work. I know someone who's using stock wheels with 1.5" spacers (resulting in 4.75" backspacing) without any clearance issues. I'm not heavy on the gas pedal, so I can tolerate the loss of power, however regearing is still on my mod list, just not high on it.
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