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Thread: need a answer for rims

  1. #1
    Club Member ls1sleeper's Avatar
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    Default need a answer for rims

    ok i got my rearend narrowed 3 inch on each side. i know i need a 6in backspacing rim.

    but if i get a 6.50 in backspacing rim an put a .5 inch spacer in there will it be the same then as a 6" backspacing?

    i have 5/8 studs so not worried about strength
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    Forum Member camaromann's Avatar
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    it will come out to 6 inch then. I personally still wouldnt use the spacers.....but others might.

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    Forum Member bigblocked's Avatar
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    run it

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    Forum Member RSWANNABE's Avatar
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    I might be missing something here, but are you sure on the backspacing?

    I would think it should be less than that. Lets say you had stock width rear end it would use a 6.5 to 6.25 backspace on 10"wheel. Narrowing by 3" per side your new wheel would have to be about 3.5 to 3.25.

    Please correct me if I'm wrong.

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    Club Member Fryguy302's Avatar
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    Quote Originally Posted by ls1sleeper View Post
    ok i got my rearend narrowed 3 inch on each side. i know i need a 6in backspacing rim.

    but if i get a 6.50 in backspacing rim an put a .5 inch spacer in there will it be the same then as a 6" backspacing?

    i have 5/8 studs so not worried about strength
    Dude you probably don't need a 6.5" backspacing. You probably only need 4" on a 10" wheel and 6" at the most on a 12" wheel. Maybe even less. How far is the flange from the lower control arm mount? Or did you move the lower control arm mount?

    Mine was only narrowed 2" and I use 4.5" bs with a 10" wheel and 6.5" bs with a 12" wheel.
    Last edited by Fryguy302; 03-31-2010 at 01:51 PM.
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    Forum Member want2bfast's Avatar
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    I believe my rear end is narrowed 4inches each side and I have a 10 in rim with 3in back space. I'd like to use a 12in rim, so what back space would I need?

  7. #7
    Club Member MentalMisfit's Avatar
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    with a 12 inch rim keeping the back of the rim in the same spot as the 10" you'd use a 5" backspace.

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    Club Member TWISTED's Avatar
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    I narrowed mine 1.5 per side and have 7.5 b.s. on a 12 inch rims- simple math would tell me you want around a 6 inch backspacing. You might be able to even add a spacer with that setup- I know I could with mine.
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    What are your plans to attach the rim to the rest of the wheel?

  10. #10
    Club Member cjmatt's Avatar
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    Quote Originally Posted by MentalMisfit View Post
    with a 12 inch rim keeping the back of the rim in the same spot as the 10" you'd use a 5" backspace.
    wrong, backspacing doesnt change based off of wheel width. backspacing, is exactly what it sounds like, the amount of space behind the flange. if you have 3" now, youll need 3" again, unless you have more room behind the tire currently and you wanna tuck it in more
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