Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

Tire pressure for 38 Swampers

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Pure Insanity, Nov 22, 2001.

  1. Pure Insanity

    Pure Insanity 1/2 ton status

    Joined:
    Mar 17, 2001
    Posts:
    4,579
    Likes Received:
    0
    Location:
    Dade City, Florida
    What pressure do ya'll recommend for 16X38X15 TSL. They are not radials. I currently have 17-20 LBS in them. I used to run my 40 Hawgs at 22-25. I have never had Swampers before, and I am just not real sure of what I should run. They feel a bit spongy while driving, and seem to have some side sway.

    They are on a Blazer, w/ a 12 wide wheel.

    If ya can't stop.......Smile as you go under! [​IMG]
    PIC of mine from flblazers site<a target="_blank" href=http://www.flblazer.alloffroad.com/photo3.html>
    GO</a>
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

    Joined:
    Jul 23, 2000
    Posts:
    36,173
    Likes Received:
    1,385
    Location:
    E-town baby!
    Run some chalk across the tread face and drive the truck for a short distance. Increase the pressure until the outer edges of the chalk don't scrub off and then lower it just a bit so the entire tread contacts the pavement. 17-20 sounds low to me...I think 24-26 would be a good ballpark and keep the sidewall flex in check. Heat kills tires fast and low pressure causes high heat...

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
    <a target="_blank" href=http://coloradok5.com/gallery/project_T2> tRusty pics...</a>
     
  3. Pure Insanity

    Pure Insanity 1/2 ton status

    Joined:
    Mar 17, 2001
    Posts:
    4,579
    Likes Received:
    0
    Location:
    Dade City, Florida
    Thanx Rene. I'll up to 25 and do a check that way. I'll pirate my daughters sidewalk chalk. [​IMG]

    If ya can't stop.......Smile as you go under! [​IMG]
    PIC of mine from flblazers site<a target="_blank" href=http://www.flblazer.alloffroad.com/photo3.html>
    GO</a>
     
  4. elkboy

    elkboy 1/2 ton status

    Joined:
    Aug 18, 2000
    Posts:
    293
    Likes Received:
    0
    Location:
    Hillsboro Oregon
    I run my 39.5X15 X 16.5 at 30 on the road, any less and it wanders on the groovy pavement. I run it down to about 15 off-road for flex.

    <font color=red> Elkboy </font color=red> 82 K5 fuel injected H.O.305, TH350/205, 14bolt/10bolt and 39.5 TSL's.
     
  5. Pure Insanity

    Pure Insanity 1/2 ton status

    Joined:
    Mar 17, 2001
    Posts:
    4,579
    Likes Received:
    0
    Location:
    Dade City, Florida
    I am hopin it helps my mileage too. I driven about 50 miles and have burned a half tank! [​IMG]

    If ya can't stop.......Smile as you go under! [​IMG]
    PIC of mine from flblazers site<a target="_blank" href=http://www.flblazer.alloffroad.com/photo3.html>
    GO</a>
     
  6. RedDwarf

    RedDwarf 1/2 ton status

    Joined:
    May 9, 2001
    Posts:
    816
    Likes Received:
    0
    Location:
    North Central Florida
    I run 16psi in my 12.50"s, so you will need even less. Probably 13 or so. Running more won't help your mileage enough to offset the poor ride or center wear.
     
  7. Pure Insanity

    Pure Insanity 1/2 ton status

    Joined:
    Mar 17, 2001
    Posts:
    4,579
    Likes Received:
    0
    Location:
    Dade City, Florida
    Hey Chris! I was beginning to wonder if you were still around. I was gonna send you a P/M by the end of the weekend, if I hadnt seen you.

    I am at like 17 now and I get alot of side sway and the tires just feel mushy.

    Ride quality is not a major concern. My thing is tire wear, and how they feel on the road. Kinda spooky to feel the back end sway around when your in a corner. [​IMG]

    If ya can't stop.......Smile as you go under! [​IMG]
    PIC of mine from flblazers site<a target="_blank" href=http://www.flblazer.alloffroad.com/photo3.html>
    GO</a>
     

Share This Page