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How will 33" tires affect my gas mileage?

Discussion in '4 Cylinder' started by Tacoma9396jrc, Dec 8, 2011.

  1. Dec 8, 2011 at 2:14 PM
    #1
    Tacoma9396jrc

    Tacoma9396jrc [OP] Well-Known Member

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    I have the 2.7 4 cylinder. I'm running 31x10.50's with a 3" suspension lift now, I'd like to upgrade to 33x10.50 or 33x11.50. How will these run on stock gears? Will I lose a lot of power and gas mileage?
     
  2. Dec 8, 2011 at 3:21 PM
    #2
    Tepidy

    Tepidy Well-Known Member

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    yes you will loose power and mpg's If you want to go with 33's then you should re-gear. If dd then 4.56's If for mostly off road then 4.88's
     
  3. Dec 8, 2011 at 3:36 PM
    #3
    ST3VE

    ST3VE Well-Known Member

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    Check my build page, ya filthy animal!!
    I put 33's and if I treat it like a virgin then I can get 300 miles out of the tank but if go between offroad and street and drive it normal I lose about 20ish miles a tank.
     
  4. Dec 8, 2011 at 8:01 PM
    #4
    907taco

    907taco Alaskan Assassin

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    my 285's and 3" lift, i can go easy on it and get over 300mi. per tank, but mixed driving or strictly in town stop and go it drops between 20- 30 miles less per tank.
     
  5. Dec 8, 2011 at 8:20 PM
    #5
    Phuket

    Phuket Well-Known Member

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    you will lose power for sure and unless you keep the tach below 2k you will lose MPG's like crazy
     
  6. Dec 8, 2011 at 8:38 PM
    #6
    bjmoose

    bjmoose Bullwinkle J. Moose

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    I'm getting 16.5mpg after regearing to 4.88, same as before regearing.

    All numbers corrected for tire size, gear ratio, etc...
     
  7. Dec 8, 2011 at 8:40 PM
    #7
    45acp

    45acp Paint me back in Wyoming again...

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    If I take it easy, I get 22mpg (stock 4.30 gears)
     
  8. Dec 8, 2011 at 8:48 PM
    #8
    jlvhrse

    jlvhrse Well-Known Member

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    with stock gears and ~3" lift i lost about the same as everyone else, about 20miles/tank. According to my scan gauge I get about 18mpg combined which is pretty much the same as before... The power loss was noticeable but only really when accelerating from a stop.. IMHO totally worth it
     
  9. Dec 9, 2011 at 10:28 PM
    #9
    Tacoma9396jrc

    Tacoma9396jrc [OP] Well-Known Member

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    Doesn't sound too bad. Any recommendations for tires? I'm thinking BFGoodrich mud terrain T/A...
     
  10. Dec 9, 2011 at 10:30 PM
    #10
    Tacoma9396jrc

    Tacoma9396jrc [OP] Well-Known Member

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    Also, how much strain will 33's put on my motor? I got 250+ miles on the original motor, so I don't wanna overwork it
     
  11. Dec 10, 2011 at 7:12 AM
    #11
    Tacoma9396jrc

    Tacoma9396jrc [OP] Well-Known Member

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    I have stock 4.10 gears if this helps
     
  12. Dec 16, 2011 at 4:38 PM
    #12
    Tacoma9396jrc

    Tacoma9396jrc [OP] Well-Known Member

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    So will going with a wider tire make any difference as far as gas mileage?
     
  13. Dec 16, 2011 at 4:40 PM
    #13
    AndrewFalk

    AndrewFalk Science!

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    This is a simple physics problem. It doesn't matter which dimension of the tire is larger...a larger tire weighs more and requires more energy to move it. The only way your truck can produce more energy is by burning more fuel.
     
  14. Dec 16, 2011 at 4:43 PM
    #14
    186000mps

    186000mps ..Slingin' up mud and we're scarying off bunnies..

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    yup
    More rolling resistance and more rotational mass
    I heard somewhere that it take 3x the force to move weight at the edge of the wheel than that centered at the center
     
  15. Dec 16, 2011 at 4:43 PM
    #15
    DPR921

    DPR921 Well-Known Member

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    They will effect Negatively.
     
  16. Dec 16, 2011 at 4:44 PM
    #16
    HB Taco

    HB Taco Well-Known Member

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    yes / worse If your worried about gas mi. dont do it, otherwise suck it up. I only went up to 32" and it cost me about 1mpg. You could always get a prius! LOL
     
  17. Dec 16, 2011 at 4:46 PM
    #17
    moblarkus

    moblarkus Well-Known Member

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    Negatively. You could put 4.11's in it or 4.56's but the increased ride height and tread will still hurt.
     
  18. Dec 16, 2011 at 4:55 PM
    #18
    Tacoma9396jrc

    Tacoma9396jrc [OP] Well-Known Member

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    If losing only a mile or two per gallon is it, its not that big of a deal, I think I'm gonna keep my 31's for awhile tho, just in case
     
  19. Dec 16, 2011 at 6:37 PM
    #19
    Dustyroades

    Dustyroades Well-Known Member

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    It really depends on the load range/weight of the tire. Load range E's will kill your MPGs. I moved up from P245/75R16 to P265/75R16 and noticed no decrease in mpg, with possibly an increase on the highway.
     
  20. Dec 20, 2011 at 9:02 AM
    #20
    Toyoghi

    Toyoghi Well-Known Member

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