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Jan 22, 2013 | 09:00 AM

txboggers

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JK Newbie

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From: dallas

programming

will I have to program my 2012 jk once I put my 37's and 4 inch lift on?

Jan 22, 2013 | 09:07 AM

aldaman

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From: HAWAII

Yes, an AEV Procal can help with that. If you have an auto trans, by calibrating your new tire size with the Procal this will make your speedometer & odometer give a more accurate reading and allow your trans to shift properly...

Jan 22, 2013 | 09:11 AM

aldaman

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From: HAWAII

If you have a manual trans, you can still benefit from the Procal by calibrating your speedo & odo, plus it has some other added features (TPMS, tire size changes, idle setting, gearing, etc)

Last edited by aldaman; Jan 22, 2013 at 10:04 AM.

Jan 22, 2013 | 09:42 AM

txboggers

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From: dallas

Quote:

Originally Posted by aldaman

If you have a manual trans, you can still benefit from the Procal by calibrating your speedo & odo, plus it has some other added features (TPMS, tire size changes, idle setting, etc)

so yes I have to?

Jan 22, 2013 | 10:04 AM

aldaman

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From: HAWAII

Quote:

Originally Posted by txboggers

so yes I have to?

No, it's not a " must have to" but for me I just want the added insurance/piece of mind that everything is in sync knowing that my tire size, speedometer, odometer and auto trans are all on the same page