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Thread: Calibrating computer for bigger tires???

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    74Beeper's Avatar

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    Calibrating computer for bigger tires???

    Howdy,

    i just just ordered a 2017 Lairime Longhorn 2500 and the first thing I'm doing is putting a 3" suspension lift and 325/50R22 wheels and tires on it. My question is, what do I have to do to calibrate the computer for the bigger tires? I know pretty much every performance tuner has this calibration included, but is there a way of doing this without buying an engine tuner?

    Thanks


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    More Powa! RATLIN'HP's Avatar

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    Re: Calibrating computer for bigger tires???

    Tuner is only way I know unless the dealer will go into the abs module and change it for you.

    2015 Black Laramie CCSB 3500 SRW. Thuren Leveled With Fox 2.0 Shocks. Ride Rite Rear Air Bags With Wireless Airlift Onboard Air. 35" Toyos. All The Options Minus The Soot Cookers. RaceMe Ultra.

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    Old... But Still Here! AnOldBiker's Avatar

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    Re: Calibrating computer for bigger tires???

    Quote Originally Posted by RATLIN'HP View Post
    Tuner is only way I know unless the dealer will go into the abs module and change it for you.

    What @RATLIN'HP said ... or some friend that has a tuner that will help.



    Jim


    2006 ~ 2500HD, Big Horn Edition, 5.9, 4x4, Q/Cab, 48RE, L/B, 3.73, S&B CAI & Snout, ProFlo 5" S/S exhaust, Smarty Touch, Oil ByPass Kit, 60 gal main tank, 110 gallon in-bed tank, XX-Fuel Filter System, Coolant Bypass Kit, Mag-Hytec front & rear end covers and trans pan, 285 x 70 x 17

    "Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same, or one day we will spend our sunset years telling our children and our children’s children what it was once like in the United States, where men 'were' free." ~ Ronald Regan

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    74Beeper's Avatar

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    Re: Calibrating computer for bigger tires???

    Thanks guys.... Do you know of a tuner that monitors and calibrates things like this but leaves the engine alone?


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    Old... But Still Here! AnOldBiker's Avatar

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    Re: Calibrating computer for bigger tires???

    I've never heard of a monitor only unit that could change tire size. But there were units that changed tires size only ... years and years ago.
    Dealer/after market repair would be the only way without buying a personal unit.



    Jim


    2006 ~ 2500HD, Big Horn Edition, 5.9, 4x4, Q/Cab, 48RE, L/B, 3.73, S&B CAI & Snout, ProFlo 5" S/S exhaust, Smarty Touch, Oil ByPass Kit, 60 gal main tank, 110 gallon in-bed tank, XX-Fuel Filter System, Coolant Bypass Kit, Mag-Hytec front & rear end covers and trans pan, 285 x 70 x 17

    "Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same, or one day we will spend our sunset years telling our children and our children’s children what it was once like in the United States, where men 'were' free." ~ Ronald Regan

  8. Top Of Page | #6
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    Re: Calibrating computer for bigger tires???

    The smarty Jr can and will. You can leave the time stock but go in and change your Revs per mile in the settings.

    Sent from my VS990 using Tapatalk


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    Re: Calibrating computer for bigger tires???

    Quote Originally Posted by Ryan_Deezul6.7 View Post
    The smarty Jr can and will. You can leave the engine stock but go in and change your Revs per mile in the settings.

    Sent from my VS990 using Tapatalk


    Sent from my VS990 using Tapatalk


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    Re: Calibrating computer for bigger tires???


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    bigtim1985's Avatar

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    Re: Calibrating computer for bigger tires???

    -2017 RAM 2500 QCSB 68RFE Laramie - Silver/ Sport appearance package
    -SOLD: 2011 ram 2500 QCSB G56. CAT/DPF/EGR/COOLER= Deleted

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  14. Top Of Page | #10
    niteghost's Avatar

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    Re: Calibrating computer for bigger tires???

    Quote Originally Posted by Rhinopkc View Post
    What can this guy do with the TPMS? Can it change set points and clear the low pressure alarms?


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