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What tire PSI should I run?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Steves104x4, Jan 20, 2012.

  1. Jan 20, 2012 at 10:31 PM
    #1
    Steves104x4

    Steves104x4 [OP] Well-Known Member

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    BUCKLE UP! It makes it harder for Aliens to pull you out of your Truck.
    On the COSTCO website it says they ran 80 PSI in the Michelin X Radial LT2. I've heard to run 50 psi in Mastercraft truck tires, too. Is this correct? If someone that knows the truth about this, please chime in. Thanks.
    images_fc59c4f052425623b3c8cf45d80ae55e0b810a0e.jpg



    Michelin - X® Radial LT2Item #: 508295
    • Club-Exclusive, Long-lasting, All-Season Traction for Pick-ups and SUVs
    • Next Generation of Tire Even Better in Wet.*
    • Fuel efficient and long lasting†
    • Three Steel Belt Durability††
    • Three Steel Belt Durability††
    • †Based on Michelin internal wear test results versus MICHELIN® X® LT tires.
    • ††Using four LT265/75R16/E tires inflated at 80 psi.
     
  2. Jan 20, 2012 at 10:35 PM
    #2
    DWreck

    DWreck Famous Retrieval Vendor

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    Might I recommend 96 lbs!

    J/K

    On your tiny truck, I'd go with 32lbs. E rated means it'd ride rough at 15psi on your truck but that would be dumb. So ya, 32psi.
     
  3. Jan 20, 2012 at 11:45 PM
    #3
    wileyC

    wileyC Well-Known Member

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    look on the drivers door jamb sticker, "cold tire pressure" on mine it says 29 psi
     
  4. Jan 20, 2012 at 11:48 PM
    #4
    colinb17

    colinb17 If at first you don't succeed, don't try skydiving

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    once you go to a size and/or load range that is different than stock, what the door jam and owners manual say may not be correct any more.

    chalk test is always a safe way to figure out what PSI will wear your tires best (assuming your alignment is good)
     
  5. Jan 21, 2012 at 12:30 AM
    #5
    ACE808

    ACE808 Well-Known Member

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    I agree look on the door jam. Don't run full psi. It's gonna be super stiff and harsh
     
  6. Jan 21, 2012 at 1:09 AM
    #6
    David K

    David K Well-Known Member

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    The door jam info is for the stock tires (BFG Rugged Trails or whatever)...

    They are a 35 psi max tire, and the Toyota recommended 29 front/ 32 rear is perfect for that tire.

    When I change to both a different tire (and a different size), that door jam suggestion has no more use. The new tires (Hankook Dynapro ATm) have a 44 psi max. rating, so I found 29/32 psi too squishy... 38 psi was perfect (actually 36-40 feels good)... in all cases it is LESS than the tire's recommended MAX. pressure, unless you fully load the truck to the max. weight load of the truck or the 4 tires under it.
     
  7. Jan 21, 2012 at 5:10 AM
    #7
    Tacologist

    Tacologist Well-Known Member

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    Toyota wants to give you a compromise between a good ride, traction, hauling capacity, safety, gas mileage and tire life (maybe). At 29 pounds of air you should get a better ride and better traction but tire life will go down.

    On the original Dunlops, with 35-38 pounds, I got 60K miles and could have gone to 65K before buying the Michelin M/S 2's. With these tires (Michelin), at 35 pounds of nitrogen, I get the traction that was missing on the Dunlops and all the other features that 29-30 pounds of air would give me with the Dunlops, but better.

    If you over inflate, you will wear the center of the tires out faster. With a well inflated tire, you may pick up a few MPG but going too far up reduces traction and ride comfort.
     
  8. Jan 21, 2012 at 5:16 AM
    #8
    redezman

    redezman Well-Known Member

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    All Factory for now, LOVE it that way
    i run 34 psi in all 4 michlelin ltx m/s2
    I found that 34 is best ride for me and even wear on tread
     
  9. Jan 21, 2012 at 6:27 AM
    #9
    myth01

    myth01 Well-Known Member

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    When I changed my tires I call bf Goodrich, and they calculated the proper tire pressure for my vehicle . It's actually an option on the phone when you call
     
  10. Jan 21, 2012 at 6:57 AM
    #10
    RainDodger

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    The Tire Rack has a guy just for that - call them. He will tell you what to run based on your specific truck, your specific tires/sizes, and the loads you carry. Takes about 1 minute and that's what he's there for.

    I have non-stock tires on my '09 and he told me precisely what pressures to start with.

    Roger
     
  11. Jan 21, 2012 at 7:44 AM
    #11
    xxaarraa

    xxaarraa Well-Known Member

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    I run 29 PSI all around in the winter coz we get a lot of snow here. Summer, I run 32 all around. I am not on stock tires.

    What PSI is similar to what oil. No right answer, do what feels right.
     
  12. Jan 24, 2012 at 4:34 PM
    #12
    shackley

    shackley Well-Known Member

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    I think Dave is about right. I did the chalk test on my 2012 ACC TRD and 35 psi looks right. I believe the ACC is a bit lighter than the DC. I'm running the 265/75 16s same as Dave. In snow with ice below it was perfect. I'll be down in W New Mexico next month on mud and rocks and report back.

    Steve in Albuquerque


     
  13. Jan 24, 2012 at 4:57 PM
    #13
    OffroadToy

    OffroadToy old, forgetful, and decomposing

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    The max pressure/max load is just that...the maximum pressure for the tire at maximum load. Our trucks are light and the load they can handle isn't that much compared to a full size truck. With my e rated 265/75/16 bfg a/t k/o's the chalk test shows my psi should be around 36 front/34 back (with the weight of a canopy.)
     
  14. Jan 24, 2012 at 7:28 PM
    #14
    patpatpat

    patpatpat Well-Known Member

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    Just came back from the dealership where they roadforce balanced my tires and set my tires and alert indicator at 38psi.
     
  15. Jan 24, 2012 at 10:25 PM
    #15
    TnShooter

    TnShooter The TacomaWorld Stray

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    I run 32 psi all the way around every season. Never had any problems.
    I had 47,500+ miles on my other tires and they were about 40% then.
     
  16. Apr 1, 2012 at 10:46 AM
    #16
    zeus7625

    zeus7625 Member

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    I may sound like a dummy but.........chalk test? Teach me!
     
  17. Apr 1, 2012 at 10:53 AM
    #17
    David K

    David K Well-Known Member

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    The only dumb question is the one not asked...

    Of course, there are some here who love to yell at people to SEARCH for the answer... as if a fresh answer somehow is destructive or will over load the bandwidth of this site!

    How about I take some photos today of the chalk test being done?

    Stay tuned!! :cool:
     
  18. Apr 1, 2012 at 11:12 AM
    #18
    whopper

    whopper 2016 MGM 4x4 double cab

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    please do the pics on the chalk test not sure the way its done
     
  19. Apr 1, 2012 at 11:43 AM
    #19
    HMA

    HMA Well-Known Member

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    I run 245/75/17 BFG AT's @ 60 psi. These are heavy duty 10 ply tires and this is BFG's reccomended pressure for them. I chose these tires because the sidewalls of 2 of the Dunlops got punctured by cotton stalks and they are about the same height as 265/70's. At 60 psi, you feel every little bump in the road, but the better performance and mileage is worth it.

    DSC00491.jpg
     
  20. Apr 2, 2012 at 5:22 PM
    #20
    David K

    David K Well-Known Member

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    On my phone now. pics of chalk test just done. stay tuned.
     

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