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Tire pressure with 35`` tires

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by JMZ, Dec 31, 2001.

  1. JMZ

    JMZ Registered Member

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    What press. do yall recomend with 35`s. I will just be joy riding,mudding, ect.
     
  2. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    Street pressures.....or when offroading???



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  3. JMZ

    JMZ Registered Member

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    I guess street pressure. There aren`t that many places to climb on rocks in South TX.
     
  4. Ryan B.

    Ryan B. 3/4 ton status GMOTM Winner

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    How low you can go offroad will depend on your rim size...
    15's you can air down pretty low before they'll want to pop off the bead compared to 16's or 16.5's is what I have heard.

    I have 35/12.50/15 BFG muds and on the street I keep em 30-32psi usually.
    I go to pismo and play in the sand, and there are so many guys that don't air down and they just bury themselves. Once I hit the sand I like to keep em at about 8psi with a nice bulge in the sidewall.
    Before we got our powertank air system sometimes we drive into town a few miles away on the pavement @ 8psi. you gotta go slow around corners but it works... everyone is pulling up next to you and telling you that you have flat tires though! [​IMG]

    [Real Men Don't Care About Gas Mileage Or Rapid Tire Wear!]
    Ryan B.
     
  5. ED70K5

    ED70K5 1/2 ton status

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    Where in South Texas are you?? I also live in South Texas!!

    Blazin' in TEXAS!
     
  6. ED70K5

    ED70K5 1/2 ton status

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    GREG&gt;&gt; Just curious why you have the 69-70 grill on your rig! BTW........it looks sweet! Whatcha got on there? 4 in. lift and a 2in. bodylift?

    Blazin' in TEXAS!
     
  7. JMZ

    JMZ Registered Member

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    I live in Gonzales TX.
     
  8. JMZ

    JMZ Registered Member

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    Maybe I should say Central TX.
     
  9. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    Ed,

    That '69 grille is what it came with when I bought the K5 back in February....I like it a lot, so I'll probably add some other 1969 touches to it too....

    You are 100% correct on the lift. 4" spring/shackleflip + 2" body lift. My long range goal is to stuff some 38's into those fenders with no additional lift.....we'll see! [​IMG]



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  10. Steve_Chin

    Steve_Chin 1/2 ton status

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    Pressure totally depends on the load rating of the tire (carcass construction), wheel width, tire section width, tire sidewall height, and wheel loading. With 32x11.50-15s on 10" wide rims, I run 28 PSI in front and 26 PSI in the rear and get pretty even tire wear. If I were running wider/taller tires, I'd have to back the pressure off to get proper tread contact.
     

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