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Thread: trailer tire pressure

  1. #1
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    Default trailer tire pressure


    What should I have in my boat trailer tires?
    proud member of "Team Cup"

  2. #2
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    Whatever the max is listed on the tire
    More air the cooler they run

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  3. #3
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    OK, you gonna make me look at something. LOL
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  4. #4
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    Get your magnifying glass back out. Lol

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    1990 Stratos 285 Pro 200 HP Merc
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  5. #5
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    I think mine get 45psi

  6. #6
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    Most people just use air, but If you will fill with helium, you'll get better mileage.

    Pffft

    Wannabe...
    Wannabe...v2.0
    A lot like the old Wannabe... except with fewer bad words. And Karate chop action. But, yes, still purtier than you.


  7. #7
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    45 to 50 DO NOT RUN THE MAX at summer temps air pressure goes up as it heats and will blow. Did you ever tighten up your guide ons?
    [SIGPIC]Drake Waterfowl Prostaff, Dakota Decoys Prostaff,F&F Boats, Mercury Marine, Rig Em Right, Crappie Logic Jigs, Slab Bandits, Hayes Calls, and Kick's Choke Tubes.

  8. #8
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    Quote Originally Posted by torch View Post
    45 to 50 DO NOT RUN THE MAX at summer temps air pressure goes up as it heats and will blow. Did you ever tighten up your guide ons?
    Totally disagree with this max air pressure runs the coolest, just dont go over the max.
    Check it out, let 20 pounds out if one and leave the other one at max. Drive down the road this afternoon about 10 miles and pull over and feel to see which one is hotter, the low one every time.

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    1990 Stratos 285 Pro 200 HP Merc
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  9. #9
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    If you put in 50 psi in a tire and drive 20 miles in 90 degree heat I gurantee when you stop and check the air pressure it will be 60 or 65 psi. Air expands when heated.
    [SIGPIC]Drake Waterfowl Prostaff, Dakota Decoys Prostaff,F&F Boats, Mercury Marine, Rig Em Right, Crappie Logic Jigs, Slab Bandits, Hayes Calls, and Kick's Choke Tubes.

  10. #10
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    Special Trailer (ST) Tire Speed Ratings

    Industry standards dictate tires with the ST designation are speed rated to 65 MPH (104 km/h) under normal inflation and load conditions.

    However industry standards also stipulate, if tires with the ST designation are used at speeds between 66 and 75 mph (106 and 121 km/h), it is necessary to increase their cold inflation pressure by 10 psi (69 kPa) above the recommended pressure for the rated maximum load.

    Do not exceed the wheel’s maximum rated pressure. If the maximum pressure for the wheel prohibits the increase of air pressure, then maximum speed must be restricted to 65 mph (104 km/h).

    The cold inflation pressure must not exceed 10 psi (69 kPa) beyond the inflation specified for the maximum load of the tire.

    Increasing the inflation pressure by 10 psi (69 kPa) does not provide any additional load carrying capacity
    [SIGPIC]Drake Waterfowl Prostaff, Dakota Decoys Prostaff,F&F Boats, Mercury Marine, Rig Em Right, Crappie Logic Jigs, Slab Bandits, Hayes Calls, and Kick's Choke Tubes.

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