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Steering on 37's

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Old Oct 18, 2013 | 07:22 AM
  #16  
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sdetweil
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Originally Posted by 7.399
My mileage dropped 2-3mpg. Pay to play.
did it? or is the computer confused? the bigger tire obviously turns slower, so the computer thinks you went less distance
 
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Old Oct 18, 2013 | 09:21 AM
  #17  
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7.399
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From: Flower Mound, TX
Originally Posted by sdetweil
did it? or is the computer confused? the bigger tire obviously turns slower, so the computer thinks you went less distance
Real drop. I had the dealer re-calibrate to the 34.8" tires (the biggest they will let them) that come with the 20"wheels so it is very close for my 35's. Just alot more power required to move much wider aggressive mud tires, slows down more on coasting due to more rolling resistance etc. With lift there is more wind resistance. All the people that say they went from stock to 37's and gained 2mpg are smokin crack, it just is not possible
 
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Old Oct 19, 2013 | 09:19 AM
  #18  
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TRENT310
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Yeah, then I offset the effect of the bigger tires with emissions delete to regain the fuel economy that I had before.
 
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