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backspacing and offset

Discussion in 'Wheels & Tires' started by UpstateTRDTaco, Aug 18, 2011.

  1. Aug 18, 2011 at 5:35 PM
    #1
    UpstateTRDTaco

    UpstateTRDTaco [OP] Well-Known Member

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    Where can I find the specs for the backspacing and offset on the stock fake beadlock rims on my TX pro?

    thanks, Josh
     
  2. Aug 18, 2011 at 5:36 PM
    #2
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    On your tapemeasure.

    Honestly, in my experience, that's been the easiest and most reliable source.
     
  3. Aug 18, 2011 at 5:38 PM
    #3
    KPT

    KPT sees what you did there.

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    There should be stamping on the rim that rads something like 16x8jj ET0 or something like that. Post that up and we can tell you the backspacing.

    Measuring also works but it can be a PITA while the rim is still on the truck.
     
  4. Aug 18, 2011 at 5:44 PM
    #4
    cummins6speed

    cummins6speed Well-Known Member

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    Pretty sure those are 4.5" BS
     
  5. Nov 20, 2011 at 7:15 PM
    #5
    TX RPO

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    I know this is an old thread but I'm wondering the same thing? Also what's the ideal offset/back spacing people typically want?
     
  6. Nov 20, 2011 at 7:16 PM
    #6
    KPT

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    Depends what you are trying to accomplish as far as tire size.
     
  7. Nov 20, 2011 at 7:55 PM
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    TX RPO

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    What are the determining factors? Fenders, front bumper, cab mount, UCA and spindles? Are there anymore? What is the order in which the tire will hit and what are the typical fixes? Such as if the tire hits the cab mount, would spacers or spindles fix that? I'd really like to get some 295/75 or 305/75/16's on there without chopping the mount...
     
  8. Nov 20, 2011 at 7:56 PM
    #8
    KPT

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    That depends on both the height and width of the tire, and the backspacing and width of the wheels. Different combos will hit different things.
     
  9. Nov 20, 2011 at 8:37 PM
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    TX RPO

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    Gotchya... so it's pretty much, buy the wheel/tires you want and cut away lol... I'm thinking spindles with the TX pro beadlock style wheels and 295/75 or 305/75/16's should be OK? Maybe 1.5" spacers if needed?
     
  10. Nov 20, 2011 at 8:39 PM
    #10
    cummins6speed

    cummins6speed Well-Known Member

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    Spacers will make any rubbing you have worse. Those bead lock wheels are 4.5" backspace, if you add that spacer you will essentially have a 3" backspace
     
  11. Nov 20, 2011 at 8:44 PM
    #11
    TX RPO

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    Thanks for clarifying that.. I kinda thought that might have been the case but wasn't sure... is that the same for spindles as well?
     
  12. Nov 20, 2011 at 8:47 PM
    #12
    cummins6speed

    cummins6speed Well-Known Member

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    If those wheels are, in fact, 4.5" BS then they will clear the spindle with a gusset or an after market spindle
     
  13. Nov 20, 2011 at 9:08 PM
    #13
    TX RPO

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    Awesome! Just hypotheticlly speaking... if the BSing is 4.5 and barely clears the spindles then a wheel with 5.5 BSing would more than likely hit?
     
  14. Nov 20, 2011 at 9:14 PM
    #14
    cummins6speed

    cummins6speed Well-Known Member

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    yeah
     
  15. Dec 7, 2011 at 9:49 PM
    #15
    jspetrovitsis

    jspetrovitsis Well-Known Member

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    I have the 2011 tx pro wheels and am trying to put 285 75 16s under it, will it rub against any suspension parts like the UCA or anything. I am putting in the 3'' toytech lift with 2'' aal in the back.
     
  16. Dec 8, 2011 at 5:39 AM
    #16
    KPT

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    You should be alright for UCA clearance.
     
  17. Dec 8, 2011 at 9:38 PM
    #17
    jspetrovitsis

    jspetrovitsis Well-Known Member

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    how about any other rubbing issues? I am ok with trimming the wheel well but I am not trying to trim or remove any of the fender flares
     
  18. Dec 9, 2011 at 7:49 AM
    #18
    KPT

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    You won't have to trim the flares but you may have to chop your cab mounts.
     
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