275/80/22.5 to 11r??

Discussion in 'Ask An Owner Operator' started by Elroythekid, May 20, 2022.

  1. Elroythekid

    Elroythekid Road Train Member

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    If I go up to 11r,
    ( I cant find lopros anywhere) will it effect my gearing drastically or mpg?
    I have a direct drive 10sp, and 2.64 rears, s60 12.7
    Haul heavy triaxel sometimes, mostly tandem flat and step deck.
    Thanks!
     
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  3. 062

    062 Road Train Member

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    It’ll drop your rpm’s about 75.
    Google road speed calculator and play with the numbers.
     
  4. Elroythekid

    Elroythekid Road Train Member

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    Halifax Nova Scotia
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    I did that, its 80 something which didnt sound too bad, I'm just wondering about real world experience as far as mileage etc.
     
  5. Spyro2112

    Spyro2112 Medium Load Member

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  6. Brettj3876

    Brettj3876 Road Train Member

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    Have you looked for 295/75/22.5? Pretty much the exact same size 0.1 inch difference.
     
  7. skallagrime

    skallagrime Road Train Member

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    Realworld, if you LIKE your current pulling power at current preferred rpm, you wont be happy. 80 rpm sounds like nothing, its huge.

    If you feel like youre overpowered or always have to run higher rpm to make speed, definitely change to 11rs youll be much happier.

    I was happy with my low pro 24.5 did a temp switch to 11r, it was godawful, then swapped with a truck that was way too slow at desired rpm from 11r 22.5, felt like a different truck entirely, one i didnt hate to drive.
     
  8. Elroythekid

    Elroythekid Road Train Member

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    Yes looked for any lopro, nothing in stock anywhere.
     
  9. Rideandrepair

    Rideandrepair Road Train Member

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    Try Walmart online. Free shipping to a local store, sometimes to home. Hit and miss sizes, prices, and manufacturers. Never know what you may find.
     
  10. Tug Toy

    Tug Toy Road Train Member

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    What tire are you looking for? What region of the country you in?
    Can’t believe our country is running out of low pro 22.5? We’re in for a world of hurt…

    I’ve been waiting on oil filters and fuel filters from my supplier since January for an ISX. I’ve been able to buy a few on line but can’t believe I can’t get any from my local supplier. Another guy I know said they couldn’t get a oil change at a Speedco on a 1 year old dd15 because no oil filters….
     
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