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18x9 XD Rockstar Wheel backspacing?

Discussion in 'Wheels & Tires' started by matt86, Oct 24, 2010.

  1. Oct 24, 2010 at 12:40 PM
    #1
    matt86

    matt86 [OP] Well-Known Member

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    I'm about to order some 18x9 XD Rockstar wheels with T285/65R18 Nitto Terra Grappler tires for my 2008 Access Cab with a 3in OME lift. What backspacing will I need so I don't encounter any rubbing? I know I"ll have to ditch the mud flaps and trip the fender lining a little but I don't want to have rubbing on the UCA. Thanks
     
  2. Oct 24, 2010 at 12:46 PM
    #2
    ktmrider

    ktmrider Senior Member

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    4.5 backspacing
     
  3. Oct 24, 2010 at 12:47 PM
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    08pretaco

    08pretaco Almost there

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    um idk ill take a stab at it thought for a bump...with 8" rims you want 4.5 bs so what 9" rim a 4.5" bs with 12 mm offset?
     
  4. Oct 24, 2010 at 12:48 PM
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    08pretaco

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    that i believe is for a 8" rim he is looking at a 9" rim
     
  5. Oct 24, 2010 at 1:01 PM
    #5
    KPT

    KPT sees what you did there.

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    Yep you are still going to want a 4.5" backspaced wheel. For a 9" wheel, that would -12mm offset.


    You'll still rub a little bit though without trimming your fender well plastic. Some guys also have to chop the cab mount as well.
     
  6. Oct 24, 2010 at 1:05 PM
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    matt86

    matt86 [OP] Well-Known Member

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    Thanks guys!
     
  7. Oct 24, 2010 at 1:22 PM
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    matt86

    matt86 [OP] Well-Known Member

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    Okay the guy I'm ordering from only has the 5" backspacing in stock. Would this be good or bad? Anyone here running this?
     
  8. Oct 24, 2010 at 1:27 PM
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    KPT

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    You'll have to run 265/65/18's with that backspacing. Either that or get 1/2" wheel spacers to run the 285's.

    With the 5" backspacing and the 285's, you'll rub on the UCA.

    If you want to see pics of 265/65/18's, check my build.
     
  9. Oct 24, 2010 at 1:37 PM
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    matt86

    matt86 [OP] Well-Known Member

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    Well I definitely don't want to have to buy a spacer after spending so much on wheels/tires. Aren't the 265's about a half inch smaller in diameter?
     
  10. Oct 24, 2010 at 1:38 PM
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    08pretaco

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  11. Oct 24, 2010 at 1:40 PM
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    matt86

    matt86 [OP] Well-Known Member

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    Oh crap... that's a lot bigger difference than I thought. Not sure if I want to go with a tire that much smaller. I guess I'll have to try to wait and see if he can get the 4.5" backspacing :(
     
  12. Oct 24, 2010 at 1:42 PM
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    08pretaco

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    its overall 1" but the sidewall difference is 1/2". I really liked my 265/75/16 with my old OME 3" lift
     
  13. Oct 24, 2010 at 1:43 PM
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    KPT

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    Stirring the pot here, but are you set on the rockstars? By far my least favorite rim out there.
     
  14. Oct 24, 2010 at 1:43 PM
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    08pretaco

    08pretaco Almost there

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    You really are stirring the pot...i thought about that the second I saw this post but I know how to keep my trap shut Keith lol

    Edit: Until now that is
     
  15. Oct 24, 2010 at 1:44 PM
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    matt86

    matt86 [OP] Well-Known Member

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    To be honest I'd rather have the extra lift provided by the tires...It probably wouldn't affect my gas mileage that much
     
  16. Oct 24, 2010 at 1:44 PM
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    08pretaco

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    what tires are you looking at?
     
  17. Oct 24, 2010 at 1:45 PM
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    matt86

    matt86 [OP] Well-Known Member

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    Not completely... I can get a pretty good deal on them though. Any other suggestions for black wheels in an 18?
     
  18. Oct 24, 2010 at 1:45 PM
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    08pretaco

    08pretaco Almost there

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    anything lol :eek: i really like mojaves
     
  19. Oct 24, 2010 at 1:47 PM
    #19
    matt86

    matt86 [OP] Well-Known Member

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    Haha well I was originally looking at the Wheeler's steel wheels, but shipping is so high to NC i found I could get some real wheels/tires for cheaper.
     
  20. Oct 24, 2010 at 1:48 PM
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    08pretaco

    08pretaco Almost there

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    what tires are you looking to get? mud terrain all terrain? bfg cooper kuhmo?
     
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