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Which offset and backspacing for these wheels (V-rock Recon)?

Discussion in 'Wheels & Tires' started by TacoTakeover, Jan 2, 2015.

  1. Jan 2, 2015 at 8:05 PM
    #1
    TacoTakeover

    TacoTakeover [OP] Well-Known Member

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    Looking to replace my factory 17" wheels on my 2013 TRD Sport and have narrowed it down to these, but I'm not sure what size offset and backspace to choose. Here are the 3 sizes that the 17x9 wheels come in:

    1) 0mm offset and 5" backspacing
    2) +18mm offset and 5.75" backspacing
    3) +30mm offset and 6.125" backspacing

    Keep in mind I am leveled with billys in the front. They will be put on a 265/70/17 tire and I don't want to have to do any trimming nor do I want any rubbing, so I guess I would need to be as close to my stock set as possible....right?

    The stock factory wheels and tires specs are as followed:

    265/65/17 tire
    17x7.5 wheel (1.5" wider than current factory ones I have on)
    +30 mm offset and 5.5" backspacing

    So the main differences are a 265/70/17 tire, and slightly wider tire by 1.5" (17x7.5 vs 17x9). Just trying to match up which offset and backspacing would make up for the difference? Any input or advice would be greatly appreciated....thanks!
     
    Last edited: Jan 3, 2015
  2. Jan 3, 2015 at 12:31 PM
    #2
    TacoTakeover

    TacoTakeover [OP] Well-Known Member

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    Also, which one out of the 3 options will stick out the furthest?
     
  3. Jan 3, 2015 at 12:36 PM
    #3
    Fightnfire

    Fightnfire Recklessly tired

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    Starting over with a new GMC AT4 Satin Steel Metallic Softopper, Bilstein 5100's @ 1.75 in the front, TSB Rear, 17x8.5 Lvl 8 Guardians, 265/70-17 Falken Wildpeak AT3W, Scooped, Anytime fog mod, Osram Nightbreakers, LED Interior lights, Debadged, Painted valance, Removed rear head rests, De-flapped, Hidden Hitch installed, Weather Techs, Flyzeye'd A/W/A, Cover Kings.
  4. Jan 3, 2015 at 12:39 PM
    #4
    Fightnfire

    Fightnfire Recklessly tired

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    Marysville, WA
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    2021 GMC Sierra 1500 AT4 (Prev 09 Access Cab V6 4X4)
    Starting over with a new GMC AT4 Satin Steel Metallic Softopper, Bilstein 5100's @ 1.75 in the front, TSB Rear, 17x8.5 Lvl 8 Guardians, 265/70-17 Falken Wildpeak AT3W, Scooped, Anytime fog mod, Osram Nightbreakers, LED Interior lights, Debadged, Painted valance, Removed rear head rests, De-flapped, Hidden Hitch installed, Weather Techs, Flyzeye'd A/W/A, Cover Kings.
    First thing, your sidewall is going to be slightly taller on the 265/70 vs. the 265/65 which ='s about 1" in overall diameter. 30.5" vs. 31.5" You're wheel as you pointed out will be 1.5" wider.

    My guess is, with the 3 options you gave you aren't going to be able to retain the exact stock look. You closest bet should be option #3.. which should suck the wheel in a bit more. I would worry about rubbing tho.

    My 265/70/17 barely rubs on full reverse turn. My wheels are 17x8.5 and I believe -6 OS. Need to check.
     
    Last edited: Jan 3, 2015
  5. Jan 3, 2015 at 2:27 PM
    #5
    TacoTakeover

    TacoTakeover [OP] Well-Known Member

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    So option 1 would stick out the furthest right? So would option 3 should give me the least chance of rubbing?
     
  6. Jan 3, 2015 at 3:09 PM
    #6
    Fightnfire

    Fightnfire Recklessly tired

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    Starting over with a new GMC AT4 Satin Steel Metallic Softopper, Bilstein 5100's @ 1.75 in the front, TSB Rear, 17x8.5 Lvl 8 Guardians, 265/70-17 Falken Wildpeak AT3W, Scooped, Anytime fog mod, Osram Nightbreakers, LED Interior lights, Debadged, Painted valance, Removed rear head rests, De-flapped, Hidden Hitch installed, Weather Techs, Flyzeye'd A/W/A, Cover Kings.
    Yes on #1 sticking out the furthest.

    I don't think so, no. To avoid rubbing I would think you would want to get those tires out a bit and not bury them in the wheel well.
     
  7. Jan 3, 2015 at 3:30 PM
    #7
    Fightnfire

    Fightnfire Recklessly tired

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    Starting over with a new GMC AT4 Satin Steel Metallic Softopper, Bilstein 5100's @ 1.75 in the front, TSB Rear, 17x8.5 Lvl 8 Guardians, 265/70-17 Falken Wildpeak AT3W, Scooped, Anytime fog mod, Osram Nightbreakers, LED Interior lights, Debadged, Painted valance, Removed rear head rests, De-flapped, Hidden Hitch installed, Weather Techs, Flyzeye'd A/W/A, Cover Kings.
  8. Jan 3, 2015 at 3:30 PM
    #8
    Fightnfire

    Fightnfire Recklessly tired

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    Starting over with a new GMC AT4 Satin Steel Metallic Softopper, Bilstein 5100's @ 1.75 in the front, TSB Rear, 17x8.5 Lvl 8 Guardians, 265/70-17 Falken Wildpeak AT3W, Scooped, Anytime fog mod, Osram Nightbreakers, LED Interior lights, Debadged, Painted valance, Removed rear head rests, De-flapped, Hidden Hitch installed, Weather Techs, Flyzeye'd A/W/A, Cover Kings.
  9. Jan 3, 2015 at 3:45 PM
    #9
    TacoTakeover

    TacoTakeover [OP] Well-Known Member

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    Thanks for all the links and diagram! So I think option 1 may be my best bet to not rub and it will only stick out a little since it isn't a negative offset.
     

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