BFG Rugged Trail 275/65/18 tire pressure

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Thread: BFG Rugged Trail 275/65/18 tire pressure

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    Default BFG Rugged Trail 275/65/18 tire pressure

    What psi are you guys running for everyday use on the stock BFG 275/65R18 Rugged Trails? I swapped my base steel wheels with the crappy donut tires for the alloys and BFG's when I bought my '13. My door sticker has the recommended psi for the small tires but not the BFG's.

    Thanks!

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    Default Re: BFG Rugged Trail 275/65/18 tire pressure

    I have a 2010 DC TRD with 43550 miles. I put 43 in the front and 38 rear or real close (i do not think every gauge is the same). I rotate about every other oil change and my tires are wearing about as flat as I would expect them to. By what I see as far as wear goes I should get 60 plus thousand miles out of these tires.


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    Default Re: BFG Rugged Trail 275/65/18 tire pressure

    Quote Originally Posted by CORocks View Post
    What psi are you guys running for everyday use on the stock BFG 275/65R18 Rugged Trails? I swapped my base steel wheels with the crappy donut tires for the alloys and BFG's when I bought my '13. My door sticker has the recommended psi for the small tires but not the BFG's.

    Thanks!
    If you can give me the standard tire size, recommended tire pressure and GAWR Front/Rear (all from stickers on your door jamb), then I can give you the tire pressure(s) for the BFG P275/65R18 Rugged Trail tires which will yield the same Load Rating as stock.
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    Default Re: BFG Rugged Trail 275/65/18 tire pressure

    Quote Originally Posted by gaijin View Post
    If you can give me the standard tire size, recommended tire pressure and GAWR Front/Rear (all from stickers on your door jamb), then I can give you the tire pressure(s) for the BFG P275/65R18 Rugged Trail tires which will yield the same Load Rating as stock.
    That would be great!

    Standard tire size: P255/70R18
    Recommended Tire Pressure: 30 psi front; 33 psi rear
    GAWR: 4000lb front; 4150lb rear

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    Default Re: BFG Rugged Trail 275/65/18 tire pressure

    Quote Originally Posted by CORocks View Post
    That would be great!

    Standard tire size: P255/70R18
    Recommended Tire Pressure: 30 psi front; 33 psi rear
    GAWR: 4000lb front; 4150lb rear
    Stock P255/70R18:
    Load Rating Front: 2,280 pounds @ 30psi (114% of GAWR)
    Load Rating Rear: 2,390 pounds @ 33psi (115% of GAWR)

    New P275/65R18:
    Load Rating Front: 2,300 pounds @ 27psi (115% of GAWR)
    Load Rating Rear: 2,420 pounds @ 30psi (117% of GAWR)

    By running 27psi Front / 30psi Rear with your new P275/65R18 tires you will have the same recommended Load Rating at each axle as the factory recommended for your stock tires.

    Hope you find the info helpful.
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    Default Re: BFG Rugged Trail 275/65/18 tire pressure

    Thanks for doing the calculations

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    Default Re: BFG Rugged Trail 275/65/18 tire pressure

    You're welcome. Glad to help

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    35 front and rear

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