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255/85 R16 Owners Experience

Discussion in 'Wheels & Tires' started by rsbmg, May 8, 2011.

?

255/85 R16's?

Poll closed Jun 7, 2011.

  1. My tire of choice has worked great in all conditions

    7 vote(s)
    58.3%

  2. Ran em but didn't work for me, went wider and am happy I did.

    2 vote(s)
    16.7%

  3. Ran wide before now run the skinnies and am much happier

    3 vote(s)
    25.0%
Page 110 of 253
  1. Jul 28, 2014 at 2:53 PM
    #2181
    cstallings

    #2181
    cstallings Well-Known Member

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    Just an FYI for anyone curious about the weights of the S/T Maxx Tire.

    I was looking treaddepot.com as well as other places at the S/T Maxx tires. The 255/75R17 (6 ply listed at 53lbs) shows to be 2lbs heavier than the 255/80RR17 (10 ply listed at 51lbs). The 255/75R17 is a smaller tire and has 4 less plys, so I was confused why it would be heavier.

    I sent an Email to Cooper and my email got forwarded around until someone finally responded. They responded with "Good Questions". "Please call 800-854-6288". I ended up calling them and they said it looks like the numbers were published wrong.

    The LT255/75R17 is actually 54Lbs and the LT255/80R17 is actually 58Lbs. I was considering the 255/80R17 at 51lbs, but I'm not so sure about it at 58lbs.
     
    cstallings, Jul 28, 2014
    #2181
  2. Jul 28, 2014 at 3:00 PM
    #2182
    carcharias

    #2182
    carcharias Giggiddy what what

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    Awesome! Thank you! So you went to the dealer? How much Canadian $ did it cost? I can't find any auto parts store with the diagnostic tool and it looks so damned simple. :/
     
    carcharias, Jul 28, 2014
    #2182
  3. Jul 31, 2014 at 3:57 AM
    #2183
    CanisLupus

    #2183
    CanisLupus Member since 2011

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    CanisLupus, Jul 31, 2014
    #2183
  4. Jul 31, 2014 at 5:58 AM
    #2184
    BradyT88

    #2184
    BradyT88 Well-Known Member

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    I didn't do the math yet so not sure what is right, but offset and backspacing can be a little screwy because of the lip of the wheel. An 8" wheel with 4.5" BS will have a 0mm offset (ie it is centered on the wheel) which seems counter intuitive because 4" is half of 8. Well they measure off the lip of the wheel and wheel have 1/2" lips so an 8" wheel will actually measue 9" wide from lip to lip.
     
    BradyT88, Jul 31, 2014
    #2184
  5. Jul 31, 2014 at 11:20 AM
    #2185
    Mainmoe02

    #2185
    Mainmoe02 Well-Known Member

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    3" lift EIBACH coils w/ 5100's front, OME/ Dakar leaf springs w/ toytec adjustable shackles at 1.5" and 5125's out back. 33x10.5x15 KM2's Relentless DIY steel bumper.
    This is what I got...

    7.5" wide has a centerline of 3.75"

    Centerline - backspace = offset

    3.75" - 4.5" = -.75" (-19.05mm)
     
    Mainmoe02, Jul 31, 2014
    #2185
  6. Jul 31, 2014 at 12:01 PM
    #2186
    BradyT88

    #2186
    BradyT88 Well-Known Member

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    Except that a 7.5" wheel has a 4.25" centerline. That is why your numbers don't work out. Offset and BS are measured off of the outside of lip of the wheel which adds an extra 1/2" to each side of the wheel. I assume wheel width is measured off the inside of the lip of the wheel so there is a 1" discrepancy there (ie a 7.5" wheel is really an 8.5" wheel when calculating offset and BS).

    And I believe it is backspace - centerline = offset

    The calculator I used said that a 7.5" wheel with a 4.5" BS has a +0.25" offset ( about +6mm)
     
    Last edited: Jul 31, 2014
    BradyT88, Jul 31, 2014
    #2186
  7. Jul 31, 2014 at 5:38 PM
    #2187
    13Tacoma

    #2187
    13Tacoma Well-Known Member

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    Thanks, I will try that next time and see what I get..
     
    13Tacoma, Jul 31, 2014
    #2187
  8. Aug 1, 2014 at 8:12 AM
    #2188
    snowmanwithahat

    #2188
    snowmanwithahat Well-Known Member

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    Yeah those are it... 10mm offset

    How do these tires work with these wheels? I have the wheels and came with 265 sized tires stock. I was wondering if the 255s seem too narrow for a wheel this wide.

    Do you have any rubbing as a result of these tires on these wheels? Looks like 3" lift on that DC?
     
    snowmanwithahat, Aug 1, 2014
    #2188
  9. Aug 1, 2014 at 8:21 AM
    #2189
    CanisLupus

    #2189
    CanisLupus Member since 2011

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    255's are rated up to a 8.5" wheel so the TX wheels (7.5") are just fine. No rubbing, and I'm sitting at about 2" of lift in the front.

    Matt
     
    CanisLupus, Aug 1, 2014
    #2189
  10. Aug 3, 2014 at 8:15 AM
    #2190
    bakerla

    #2190
    bakerla Man, Myth, Legend

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    Up to an 8" rim width.
     
    bakerla, Aug 3, 2014
    #2190
  11. Aug 3, 2014 at 4:57 PM
    #2191
    Desert Drifter

    #2191
    Desert Drifter Well-Known Member

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    Should be real nice. The Toyo M/T are heavy tires in 285/75 so a bit lighter in 255/85 shouls be a great match for our Taco's. They have a great look too.
     
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    Desert Drifter, Aug 3, 2014
    #2191
  12. Aug 3, 2014 at 4:59 PM
    #2192
    CanisLupus

    #2192
    CanisLupus Member since 2011

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    Touche

    Matt
     
    CanisLupus, Aug 3, 2014
    #2192
  13. Aug 8, 2014 at 7:57 PM
    #2193
    CanisLupus

    #2193
    CanisLupus Member since 2011

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    Did you have 245's before? If you had 265's, then your 255's will, by default, be skinnier.

    Matt
     
    CanisLupus, Aug 8, 2014
    #2193
  14. Aug 8, 2014 at 8:27 PM
    #2194
    CanisLupus

    #2194
    CanisLupus Member since 2011

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    Then it would be wider, causing it to hang just a little lower than the stock spare.

    You can get a Tiregate, mount the tire in the bed, or get a rear bumper with swingout if you want to get it out from under the bed.

    Matt
     
    CanisLupus, Aug 8, 2014
    #2194
  15. Aug 8, 2014 at 10:41 PM
    #2195
    OZ-T

    #2195
    OZ-T You are going backwards

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    Did you check out the thread about fitting a 33" tire in that location ? There is a bit of work to do to get it to fit up in mya
     
    OZ-T, Aug 8, 2014
    #2195
  16. Aug 9, 2014 at 3:29 AM
    #2196
    Enigmaaron

    #2196
    Enigmaaron All your soul are belong to us

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    When you go wheeling throw the spare in the bed. I do this every time, not a big deal, and a good idea regardless of tire size stored under the bed. Two reasons: 1. Departure angle and so it's not vulnerable to scraping on rocks. 2. It's a lot quicker/easier to pull the spare out of the bed on the trail, depending on what situation you're in when you get a flat could be a huge time and hassle saver.
     
    Enigmaaron, Aug 9, 2014
    #2196
  17. Aug 9, 2014 at 8:28 AM
    #2197
    Mainmoe02

    #2197
    Mainmoe02 Well-Known Member

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    3" lift EIBACH coils w/ 5100's front, OME/ Dakar leaf springs w/ toytec adjustable shackles at 1.5" and 5125's out back. 33x10.5x15 KM2's Relentless DIY steel bumper.
    Did you cut the ends off of the brackets that hold the tire in place? The ends of the bracket closest to the rear bumper/ hitch receiver need to be cut to allow the 33" tire to sit flush in the stock spare location. If you had a 265 in there before then you should have about .4" more clearance since the tire is a little skinnier.
     
    Mainmoe02, Aug 9, 2014
    #2197
  18. Aug 9, 2014 at 11:40 AM
    #2198
    ae111black

    #2198
    ae111black Well-Known Member

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    plenty
    Do you have to CMC? to clear them?
     
    ae111black, Aug 9, 2014
    #2198
  19. Aug 9, 2014 at 11:47 AM
    #2199
    CanisLupus

    #2199
    CanisLupus Member since 2011

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    We're just trying to help man...you complained about it sticking out, yet you don't want to store it anywhere else. There's really no alternative...

    The space under the bed is designed for a stock sized spare, and any other size won't fit the same as the stock. That's all there is to it.

    Matt
     
    CanisLupus, Aug 9, 2014
    #2199
  20. Aug 9, 2014 at 1:44 PM
    #2200
    Enigmaaron

    #2200
    Enigmaaron All your soul are belong to us

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    Spare tire skid plate? :notsure: :D
     
    Enigmaaron, Aug 9, 2014
    #2200
Page 110 of 253

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