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Question on offset and backspace

Discussion in 'Wheels & Tires' started by 10PreRunner, Mar 16, 2011.

  1. 10PreRunner

    10PreRunner [OP] Well-Known Member

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    28% Tint Shorty Antenna Hunters 4x4 side steps Removed mud flaps
    The wheels I am looking at have a -6 offset. What does that mean related to the backspace. I know I want my wheels to stick out a little.
     
  2. KPT

    KPT sees what you did there.

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    It depends what the width of the rim is. Backspacing is calculated using width and offset.
     
  3. 10PreRunner

    10PreRunner [OP] Well-Known Member

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    28% Tint Shorty Antenna Hunters 4x4 side steps Removed mud flaps
    Here are the specs of the wheels I have in mind. Tell me what you think and how much you thing they will stick out. Thank you for your help. Nice truck by the way.
    16x8 with a -6 offset. Thats all it says.
     
  4. KPT

    KPT sees what you did there.

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    Thanks.

    Those are 4.25" backspaced (stock is 5.5") They are also 1" wider than your stock rims. So they will stick out a total of 2.25" further than your stock rims do.
     
  5. 10PreRunner

    10PreRunner [OP] Well-Known Member

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    28% Tint Shorty Antenna Hunters 4x4 side steps Removed mud flaps
    How much do your stick out. Yours is what I think I want
     
  6. KPT

    KPT sees what you did there.

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    Mine are 18x9"s with 5.4" backspacing. So they stick out 2.1" more than stock.
     
  7. 10PreRunner

    10PreRunner [OP] Well-Known Member

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    28% Tint Shorty Antenna Hunters 4x4 side steps Removed mud flaps
    Ok one more question and then I will leave you alone. 16x8 3 5/8 backspacing and -22 offset. And then 16x8 4 7/16 backspacing and 0 offset. How much will those stick out? I promise thats it.
     
  8. KPT

    KPT sees what you did there.

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    The first ones will stick out a bit over 3" from stock, which will likely be too much, and could cause the outside of the tires to scrub while turning.

    Second ones will stick out 2" more than stock, and are the ideal specs to run 33's on.
     
  9. 802YOTA

    802YOTA Well-Known Member

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    OK i got one for you if you dont mind answering it? 16x8 4.25 backspacing and 285's vs 265's with the tires stick out 1" farther than the wheels? for a total of 3.25"s?
     
  10. KPT

    KPT sees what you did there.

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    285's are an 11.2" wire tire, while 265's are a 10.4" tire. So 265's would stick out approx 1.2" from the wheels on each side (10.4-8)/2

    (11.2-8)/2 is 1.6" so 285's will stick out 1.6" on eac side of the wheel.
     
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