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Cooper ST MAXX thread

Discussion in '3rd Gen. Tacomas (2016+)' started by Z50king, Jul 31, 2017.

  1. Aug 3, 2017 at 4:42 PM
    #41
    rnicholls

    rnicholls Well-Known Member

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    Well I have a toolbox in my bed. Has a socket and wrench set, some etc tools, recovery equipment, spare fluids. So definetly high 30s for my 255 80 17.
     
  2. Aug 3, 2017 at 4:47 PM
    #42
    mateo_roberto

    mateo_roberto Well-Known Member

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    I get these installed tomorrow :bananadance:

    Opted for 255/85/16. Currently running 265/75/16 c-rated duratracs which have about 17k miles on them. They're a good tire, but I'm getting pretty tired of the distinct hum they make.
     
  3. Aug 3, 2017 at 4:47 PM
    #43
    rnicholls

    rnicholls Well-Known Member

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    Duratrac was my front runner for a while until I learned they are only half siped.
     
  4. Aug 3, 2017 at 4:48 PM
    #44
    splitbolt

    splitbolt Well-Known Member

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    Yeah...I'm about 500 lbs over curb weight myself.
    Gets to GVWR fast...

    Your "max" is 36 psi.
     
  5. Aug 3, 2017 at 4:52 PM
    #45
    mateo_roberto

    mateo_roberto Well-Known Member

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    They've done me pretty well up here in the PNW, we just had our wettest winter in over 100 years too, which is saying something. High expectations for the Maxx's.
     
  6. Aug 3, 2017 at 4:53 PM
    #46
    rnicholls

    rnicholls Well-Known Member

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    I've no doubt in their capabilities during the first half of their life. But after..
     
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  7. Aug 3, 2017 at 4:57 PM
    #47
    mateo_roberto

    mateo_roberto Well-Known Member

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    Very true. I never plan to run any tire much lower than half life while I live here mainly for peace of mind. And new tires are exciting. I don't think any single mod does more good per dollar on your vehicle than tires, but Im sure some around here would disagree.
     
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  8. Aug 3, 2017 at 5:01 PM
    #48
    EatSleepTacos

    EatSleepTacos MOBTOWN OFFROAD AMBASSADOR

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    Love mine as well.
    IMG_0917.jpg
     
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  9. Aug 3, 2017 at 5:03 PM
    #49
    mateo_roberto

    mateo_roberto Well-Known Member

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    255s?
     
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  10. Aug 3, 2017 at 5:04 PM
    #50
    EatSleepTacos

    EatSleepTacos MOBTOWN OFFROAD AMBASSADOR

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    Yep! 255/80r17. I like this pic because it shows how they actually look. For some reason pics always make them look skinnier than they really are.
     
  11. Aug 3, 2017 at 5:06 PM
    #51
    rnicholls

    rnicholls Well-Known Member

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    What's psi?
     
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  12. Aug 3, 2017 at 5:07 PM
    #52
    EatSleepTacos

    EatSleepTacos MOBTOWN OFFROAD AMBASSADOR

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    I run mine at 35 front and 33 rear. Good mix between comfort and MPG.
     
  13. Aug 3, 2017 at 5:08 PM
    #53
    rnicholls

    rnicholls Well-Known Member

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    How's the wear though
     
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  14. Aug 3, 2017 at 5:08 PM
    #54
    EatSleepTacos

    EatSleepTacos MOBTOWN OFFROAD AMBASSADOR

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    Just got them a month ago, so I can't comment on that. If you want perfect wear, do a chalk test. I'm just too lazy to do that.
     
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  15. Aug 3, 2017 at 9:19 PM
    #55
    RickJamesC

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    Sumo Springs, Pro Comp Level Kit, 265/75/16 BFG KM2, Tekonsha P3 Brake Controller
    I had these on my 2011 F-150 and they handled very poorly. Before I put them on I had the BFG AT KO2 and quickly went back to them after 3 months of the ST MAXX. I am guessing the Tacoma being lighter nobody is having this issue? I currently have the BFG KM2 and like them very much, but would be nice to go a little more mild tread for longer wear.
     
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  16. Aug 3, 2017 at 9:25 PM
    #56
    rnicholls

    rnicholls Well-Known Member

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    I beleive they had issues early on and they modified their molds.
     
  17. Aug 3, 2017 at 9:28 PM
    #57
    RickJamesC

    RickJamesC Member

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    Thanks. They are a smooth riding tire, just very loose. Felt like the deep threads were flexing too much at highway speeds. I had them on last November, so it would be nice if they improved the mold. I'd give them a try on my Tacoma
     
  18. Aug 4, 2017 at 2:24 AM
    #58
    Z50king

    Z50king [OP] DCLBOR4X4FTW

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    I was assigned 2 math1 (half algebra 1, half geometry) this year in place of my 2 nonAP calculus classes so this may work for linear systems. Yes, they changed a few of our schedules that much.... Curriculum principal got a new job and gave most of us a going away present :/
     
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  19. Aug 4, 2017 at 2:34 AM
    #59
    Z50king

    Z50king [OP] DCLBOR4X4FTW

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    OK, first, that toyo document is the only load and inflation document that comes up in a Google search. How can I get this table for the Cooper Discover ST MAXX ?

    Also, it seems that the relationship between load and tire pressure is not linear. Is this true? It's 0230 and we just got back from wheeling to find the kitchen sink over flowing. Don't have time right now to plot the coords! This tires max weight rating is somewhere near 3400 pounds at 80psi. I don't see a 265/70/16 on the Toyo doc that goes that high
     
  20. Aug 4, 2017 at 4:17 AM
    #60
    splitbolt

    splitbolt Well-Known Member

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    LT is an LT; it's a standard.

    Correct; if you graphed it would be an exponential slope...with smaller exponential slopes within. Sorry Teach, I don't know the correct terminology.

    If you look at the max psi/load for a ST MAXX 265/75/16 it is the same as the Toyo load chart(3415 @ 80)
    A 265/75/16 has more volume than a 265/70/16, therefore holding more air volume and weight. I don't see how it's possible...

    I'd guess the 3,400 lb @ 80 psi is inaccurate.
    What's on your sidewall?
     
    Last edited: Aug 4, 2017

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