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Thread: cant spin 275/55r20 with a 6.0l

  1. #1
    Potential Tuner
    Join Date
    Jul 2015
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    florida
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    cant spin 275/55r20 with a 6.0l

    hi I'm new to the tuner thing I have a 2007 crew cab I have the put a set of 20s on the truck with a 275 /55 and I no longer can spin tires on dry ground where before I could not keep the stock wheels from spinning only thing I have done so far is reduce toque mgt by 75% the truck has a 6.0 4l75e and 3.73 if any one has any input would be much appreciated
    thank you

  2. #2
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
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    Rogers, MN
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    13,565
    You basically regeared the truck in a way. You'll be hard pressed to ever get to roast the tires again unless you add power to the vehicle.

    275/55/20's with rims are atleast 80-90lbs per wheel and I'd guess that the stock size were 17's or 18's that came in around 15-20lbs less per wheel and the overall diameter of the wheel was smaller.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    Potential Tuner
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    Jul 2015
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    florida
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    thanks for the help