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About 19trax95

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    New Member

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  • Location
    Eastern PA
  • Drives
    2017 Silverado
  1. Mileage on bigger tires

    When I was just leveled with a 285/65r18, I averaged 14-15 around town and to work, which is mostly back roads with only a couple stops. Then highway doing 70 I averaged 19-20. That was tuned by Lew and running 93. I'm now lifted 4.5" and running the same tires and my around town average is the same but highway dropped to 18 or so. That's all hand calculated. The dic shows 1-2mpg better than what I actually get. Highway it comes close though. A true 33 will be obviously taller than what I run. And depending on tire also heavier. Edit: I have 3.42 gears, so if you have a different ratio, basically none of my numbers would be relatable

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