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Old 06-12-2013, 05:10 AM   #1
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Calibrating you speedometer

Does anyone know what size tire that I will have to calibrate my speedometer due to bigger tires?

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Old 06-12-2013, 05:10 AM   #2
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And also do I need to change out my breaks if I put bigger tires on?

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Old 06-12-2013, 02:46 PM   #3
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Quadratec has a chart based on gear ratio / tire size to select the proper speedo gear when bumping up tires and/or ring & pinion.
http://www.quadratec.com/jeep_knowle...article-46.htm

Your factory brakes should be fine.

Depending on how much wider you go, backspacing on the factory rim may be an issue causing rub during a tight turn. You may need wheel spacers, or get rims with less backspace (negative offset), to push the tires out, away from the fender wells.
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