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The SKINNY on skinny tires

Discussion in 'Wheels & Tires' started by LadyRed, Jan 19, 2018.

  1. Oct 1, 2019 at 8:54 AM
    #2141
    Unchained 5150

    Unchained 5150 Well-Known Member

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  2. Oct 1, 2019 at 9:00 AM
    #2142
    boston23

    boston23 Well-Known Member

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  3. Oct 1, 2019 at 9:52 AM
    #2143
    Discount Tire

    Discount Tire Wheel and Tire Guys Vendor

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    Update with availability!

    The 255/85R-16 ST Maxx is not being discontinued and per Cooper this tire is available :thumbsup:

    We apologize for the confusion with that!
     
    RobP62, ready6delta, JK and 6 others like this.
  4. Oct 1, 2019 at 9:53 AM
    #2144
    Nicklovin

    Nicklovin Just Keep Swimming Swimming

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    Awesome :bananadance:. Hey when does the big sale start? :anonymous: I’m ready for it hahaha
     
  5. Oct 1, 2019 at 12:24 PM
    #2145
    bzzr2

    bzzr2 Well-Known Member

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    Quit creating panic!!! good news :)
     
    Discount Tire likes this.
  6. Oct 2, 2019 at 7:01 PM
    #2146
    trackdaybro

    trackdaybro Well-Known Member

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    Did the chalk test on my 255/85/16 ST Maxx, 3G TRD OR with only added weight of sliders and IFS skid.

    This is with 30-31 psi front and 27-28 psi rear.. chalk wear looks pretty even.
    C246FC22-C34E-40E6-95FA-8AF22F11D1B9.jpg
    AD5FF9FF-36CD-4BA0-98CF-C6B69AEA5C7B.jpg

    Just 2 psi higher 33F/31R and the center chalk wore away substantially faster.

    What are you guys running? 30F/28R just seems so low even for an E rated tire on a light truck.
     
    JCWages likes this.
  7. Oct 2, 2019 at 7:40 PM
    #2147
    JCWages

    JCWages Well-Known Member

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    I agree that it seems like the pressure is way too low but I had similar results on my Canyon with LT285/70/17 Wildpeaks. Chalk wore even at 29psi in the rear and I think 33psi up front. There's not a big weight difference between our trucks. The point is, on midsized trucks it appears that to get even wear you need to run pretty low pressure.
     
  8. Oct 2, 2019 at 7:41 PM
    #2148
    sawbladeduller

    sawbladeduller semi-realist

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    just put an older wheelset back on, OEM rims with cooper ST 255/85/16. took off ST/Maxx 285/75/16. having to adjust my perspective of tire/wheel to truck. usual pressure on the road for the 285's was 39.5psi, or there abouts. the ST's I put to 36psi...random
     
  9. Oct 3, 2019 at 6:33 AM
    #2149
    Unchained 5150

    Unchained 5150 Well-Known Member

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    captrussia253 likes this.
  10. Oct 3, 2019 at 6:45 AM
    #2150
    boston23

    boston23 Well-Known Member

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    Anyone have pics or experience of stock suspension on the 255/85/16?

    Obviously asking about rubbing lol
     
    Irobi2 likes this.
  11. Oct 3, 2019 at 7:45 AM
    #2151
    medjah

    medjah Volleyballing

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    I really need to do the chalk test. I did some quick research and settled on 37 up front and 36 rear.

    I only have about 12k on my ties and wear seems pretty good.
     
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  12. Oct 3, 2019 at 7:46 AM
    #2152
    medjah

    medjah Volleyballing

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    I know I have read some 3rd gen stockers running this size. Might want to check the 3rd gen forums. Too lazy to search right now. :p
     
    boston23 likes this.
  13. Oct 3, 2019 at 8:13 AM
    #2153
    backcountryj

    backcountryj Well-Known Member

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  14. Oct 3, 2019 at 12:10 PM
    #2154
    Navigator1

    Navigator1 Assistant to the Regional Manager

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    Me too. I’ve been running in the mid to upper 30 psi range on my load C. I may be be way to high according to some of what I’m reading here.
     
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  15. Oct 3, 2019 at 1:50 PM
    #2155
    JCWages

    JCWages Well-Known Member

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    I think 35ish is safe but a lot will come down to your vehicle weight and the tire construction. T4R folks seems to run 35-40psi and they are on average heavier than the Taco. You probably have a little more room for error with a skinny tire too. Less tread width to deform.
     
  16. Oct 3, 2019 at 1:52 PM
    #2156
    boston23

    boston23 Well-Known Member

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    Stupid question: ( i googled it first but no luck)

    Do the TDR models have more ground clearance than the SR & SR5? I know the shocks are better but is the height different too?

    Thanks :D
     
  17. Oct 3, 2019 at 2:11 PM
    #2157
    trackdaybro

    trackdaybro Well-Known Member

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    Same height.
     
    boston23 likes this.
  18. Oct 3, 2019 at 2:12 PM
    #2158
    Sharpish

    Sharpish Well-Known Member

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    I tried 30/31 and the ride, while more forgiving, was terrible. Truck tracked all over the place, hard to steer, felt like I lost 30 horsepower and was always fighting with it to go. 36 PSI and it's harsher but its nimble, tracks straight, power and fuel economy are way way better.
     
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  19. Oct 3, 2019 at 2:15 PM
    #2159
    Navigator1

    Navigator1 Assistant to the Regional Manager

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    That’s why I’ve been hesitant to go down. I actually tried all the way up to 44. It was really harsh and jittery but tracked a little better. In WA they allow studs and chains so our roads are so rutted out I can’t go in a straight line anyway.
     
    ready6delta and JCWages like this.
  20. Oct 3, 2019 at 2:34 PM
    #2160
    trackdaybro

    trackdaybro Well-Known Member

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    How’s the center wearing?
     
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