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Please help on wheel fitment

Discussion in '2nd Gen. Tacomas (2005-2015)' started by JasonJump, Sep 9, 2010.

  1. Sep 9, 2010 at 1:39 PM
    #1
    JasonJump

    JasonJump [OP] Well-Known Member

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    Looking at getting new wheels, and compared to the stock 17"trd sport wheels I have heard are a 30 offset, and 7" wide. I am looking at a couple of sets that are option 1: 17X 8.5 with a 16 offset option 2: 17x8 with a 25 offset, and I am being told they will not work? is that right.... if not what is the closest size we can put on these, does it have to be a 0 or negative offset if it is a wider wheel? Thanks
     
  2. Sep 10, 2010 at 7:17 AM
    #2
    KPT

    KPT sees what you did there.

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    It's highly dependent on what size tires you want to run.

    Both the wheels you posted are 5.5" Backspacing. That will work if you want to run 265s.

    If you want to run any bigger than that though, or if you want the tires to stick out a little compared to stock, go with a wheel with less offset. Ideal backspacing would be around 4.5", which is -6 offset on an 8.5" wide wheel, and 0 offset on an 8" wide wheel.
     
  3. Sep 10, 2010 at 8:01 AM
    #3
    JasonJump

    JasonJump [OP] Well-Known Member

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    I am running 265's right now, not to say I might want to go bigger in the future. But Thanks so much for the info, because the place I am trying to order from is saying it will not work with the specs I originally posted
     
  4. Sep 10, 2010 at 9:52 AM
    #4
    bjmoose

    bjmoose Bullwinkle J. Moose

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    I'm just a board reader, and wildman with search.

    But I THINK I haven't seen anyone on these boards running any offset that's greater than zero.

    Brake caliper clearance is an issue, as is the tire with the UCA.

    On a stock 2010 4x4 TRD with 265/70R16 tires on zero-offset factory wheels, I can't fit my fingers in between the tire and the UCA. It's *that* close.

    You might try hitting the boards with a google search as follows (put the phrase into google use the quotes exactly as I provide)

    wheel fit +"6 offset" site:tacomaworld.com

    wheel fit +"12 offset" site:tacomaworld.com

    wheel fit +"positive offset" site:tacomaworld.com

    That should flush out anyone who's running positive offset wheels
     
  5. Sep 10, 2010 at 11:11 AM
    #5
    KPT

    KPT sees what you did there.

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    I run positive offset wheels (18x9, +10 offset, which is 5.4" backspacing) and have no rubbing, and my whels sit out a lot further than stock (due to a larger width than stock at basically the same backspacing). As I stated in my post above, the backspacing is what matters, not the offset. Backspacing is dependent on both offset AND width.

    You also run positive offset wheels, as all of the stock tacoma wheels are positive offset. Your TRD offroad wheels are 5.25" backspacing. That equates, with a 7" wide rim, to +32 offset.



    Here's a handy chart that will help you convert width and offset to backspacing. It's about 1/3rd of the way down the page.
    https://www.rsracing.com/tech-wheel.html

    You'll want 4.5" to fit 285's, and 5.25-5.5" backspacing to fit 265's.
     
  6. Feb 2, 2011 at 8:02 PM
    #6
    bmxer2076

    bmxer2076 Well-Known Member

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    so if i have a 20x10 rim an the offset is -24 that means its 4.5" backspacing and i could fit a 285/295 in there?
     
  7. Feb 3, 2011 at 6:24 AM
    #7
    Lurkin

    Lurkin Well-Known Member

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