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To the guys who put bigger tires on their trucks....

Discussion in 'Wheels & Tires' started by Maddog94, Sep 20, 2016.

  1. Sep 20, 2016 at 7:42 PM
    #1
    Maddog94

    Maddog94 [OP] New Member

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    How do you compensate for the difference in rollout regarding the speedometer and odometer being off? Is there some way to change the tire size in the truck's computer to compensate?
     
  2. Sep 20, 2016 at 7:47 PM
    #2
    Sean266

    Sean266 #ThinBlueLine Staff Member

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    Not much of a difference
    You can always do the Hypertech calibrator.
     
  3. Oct 16, 2016 at 7:02 AM
    #3
    thoj

    thoj New Member

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    Above 30 mph mines is about +5-8 mph faster than what it shows on the dash. I just deal with it no calibrator or anything. I heard that on the tundra has a rolling code system, that's why no one has a tuner system that works for it yet. Hyper tech does not plug into ecm and it just feeds the system different air fuel ratios and all that good stuff for increased power.
     
  4. Oct 16, 2016 at 7:31 AM
    #4
    PlatinumPro

    PlatinumPro New Member

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    i think the hypertech you're talking about is more along the lines of the interceptor which is one their performance models. you can also buy one that just simply recalibrates the speedo.
     
  5. Oct 16, 2016 at 7:42 AM
    #5
    thoj

    thoj New Member

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    Yes I was referring to the interceptor, which i have but was giving me nothing but problems so I just said f this and took it off.
     
  6. Oct 16, 2016 at 8:18 AM
    #6
    Over the LINE

    Over the LINE New Member

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    How much bigger are you going? Do the math on revolutions per mile stock to new size and it will give you a percentage off. It might not be enough to worry about, mine wasn't.
     
  7. Oct 16, 2016 at 8:43 AM
    #7
    CaptTyler

    CaptTyler www.fishcharlotteharbor.com

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    With 35's, I'm right at 3mph faster than my speedo says. I just pay attention to it a little. I'm not spending all that money to correct my speedo.
     
    Law323 likes this.
  8. Oct 16, 2016 at 8:57 AM
    #8
    GoHuskers

    GoHuskers New Member

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    Are you running 37"? Because that's massive. Stock 275/65/18 is 32" tires, going up 33" is about 3% different, going up 35" is about 9% and so on. Now, at 60 MPH, a 3% different is about 2 mph..or 62 mph. A 9% different is about 6 mph...or 66 mph...enough to get pulled over.
     
  9. Oct 16, 2016 at 9:00 AM
    #9
    thoj

    thoj New Member

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    Yup running 37 with a 7inch lift.

    1476633552111-217779626.jpg
     
    CaptTyler and GoHuskers like this.
  10. Oct 16, 2016 at 9:12 AM
    #10
    GoHuskers

    GoHuskers New Member

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    Oh damn...me like.
     
    thoj likes this.
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