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Another speedometer question and wheel size

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Old Jun 19, 2010 | 09:03 AM
  #1  
Basic13's Avatar
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From: Surprise, Arizona, United States
Default Another speedometer question and wheel size

My Unlimited X had the 225/75R16 wheels/tires (stock) when I purchased it.

I've since then put the Rubicon wheels/tires on. It would appear that my speedometer is off. Can I take the Jeep to the dealership and have them change the computer setting to refect the larger tires?

If they are going to charge me 1 hour mechanical to do it ($115) I might as well just buy an AEV procal myself.

Just wondering if anyone has had this done.
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Old Jun 24, 2010 | 05:06 PM
  #2  
chad s's Avatar
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From: maryland
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just buy the aev procal.
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Old Jun 24, 2010 | 06:57 PM
  #3  
Darth JK's Avatar
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From: Kennesaw GA
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I agree get the programmer!
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Old Jun 24, 2010 | 07:12 PM
  #4  
Torrin's Avatar
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From: Nashville, TN
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Originally Posted by Basic13
My Unlimited X had the 225/75R16 wheels/tires (stock) when I purchased it.

I've since then put the Rubicon wheels/tires on. It would appear that my speedometer is off. Can I take the Jeep to the dealership and have them change the computer setting to refect the larger tires?

If they are going to charge me 1 hour mechanical to do it ($115) I might as well just buy an AEV procal myself.

Just wondering if anyone has had this done.
Yup, Pro-Cal all the way. Takes two minutes to program it yourself and if you do anything else (new tires, gears, etc.) you have the gear.
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