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Tire Weight

Discussion in 'General 4Runner Talk' started by Sandbuster, Sep 13, 2021.

  1. Sep 13, 2021 at 1:27 PM
    #1
    Sandbuster

    Sandbuster [OP] Breaking Wind

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    How big of a factor (to you seasoned off-road vets) is tire weight? As much as I hate to do it I may have to change from my Michelin Defenders to a AT tire in the 275.70.17 range which at 65+lbs seem pretty heavy compared to the 265 Defenders. Is it a big deal or no worries?
     
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  2. Sep 13, 2021 at 1:34 PM
    #2
    Mtbpsych

    Mtbpsych New Member

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    65lbs for a 275? Wow that’s heavy! I have 295’s, e rated and they’re just under 65lbs. Definitely can feel the added weight, but nothing a little more gas pedal can’t fix. Acceleration is slower, MPG’s are lower, but that’s about it that I’ve noticed.
     
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  3. Sep 13, 2021 at 1:43 PM
    #3
    Sandbuster

    Sandbuster [OP] Breaking Wind

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    Good to know. In all honesty I’ve been looking at sooo many tires that I may have related that weight to the 285s which I remember one coming in at 80lbs which seems ludicrous to me.. I’ll likely stick to a 275 if I can find a decent one in the $200 range that doesn’t outweigh the car…
     
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  4. Sep 13, 2021 at 1:50 PM
    #4
    kmeeg

    kmeeg New Member

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    Which AT tire got 65lbs in 275/70R17 size? Or did you mean around 55lbs?

    I think light offroad tires like Nokian rotiiva at plus are light weight @44lbs. For sure A/T tires are heavier than all seasons like Michelin Defenders. I bet thats because they are stronger than onroad tires? (may be?)

    I initially ordered Nokian rotiiva at plus but change it because they don't seem to be good fit for the type of driving I do.

    Update -

    For me tire weight is a big deal for me. 4 tires effecting unsprung weight and tiny bit of added weight on spare tire as well.

    [​IMG]

    BTW, I could not find a good fit in 275/70R17 size so kept 265/70R17 size. I didn't want Load E as its too rough for my taste. I wanted not too heavy and 3 peak mountain snow flake rating was a must. Could not find a good fit in 275/70R17.
     
    Last edited: Sep 13, 2021
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  5. Sep 13, 2021 at 2:04 PM
    #5
    Sandbuster

    Sandbuster [OP] Breaking Wind

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  6. Sep 13, 2021 at 2:17 PM
    #6
    kmeeg

    kmeeg New Member

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    Discount tire site seem to have pretty accurate specs. May be check the specs from discount tire and order from Amazon. For sure time manufacturer site has the most accurate specs but Discount tire site might be a easy place to check specs.
     
  7. Sep 13, 2021 at 2:19 PM
    #7
    Thatbassguy

    Thatbassguy New member? Really??

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    I only really notice the weight when I'm accelerating at full throttle, like passing or getting on the freeway. It's going to reduce mileage, but how much depends on your driving.

    FWIW I have 295/70/17's at ~65# apiece and can get anywhere from 12 - 20-ish MPG.

    Another thing to consider is ride quality. Like @kmeeg pointed out, you'll feel the extra weight in bumps as well. A good aftermarket suspension will help a lot with that, though.
     
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  8. Sep 13, 2021 at 2:26 PM
    #8
    Snickel Fritz

    Snickel Fritz Do not develop this member's app

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    I definitely noticed a change when I swapped my wheels to FN Six Shooters, losing 9 or 10 lbs. per corner, and my tires to Cooper AT3 4S in 255/75/r17 which weigh the same as the stock Bridgestones.

    It wasn't a *phenomenal* difference, but it was noticeable. My economy briefly improved, as did the overall feel of responsiveness. Now that I've added ~200 lbs. of sliders and skids, it's pretty much right back to where I started off the lot... except I have better traction, and I have a wee bit of protection in some circumstances.

    Have you considered going to tall skinnies and swapping out for a lighter wheel?
     
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  9. Sep 13, 2021 at 2:26 PM
    #9
    kmeeg

    kmeeg New Member

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    Even though it shows 12mpg on you dash, I bet your actual mpg would be better. I bet the dash still thinks its 32 in tire.When you calculate c=πd (d 32 vs 34)
     
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  10. Sep 13, 2021 at 2:34 PM
    #10
    Thatbassguy

    Thatbassguy New member? Really??

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    This was corrected for 33.5" vs 31.6" tires already. The ~20 actually calculated out at 18.8 by the odometer, which ends up around 19.9. Of course none of it is totally accurate because our speedometer and odometer are off by 2-3% from the factory.
     
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