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  1. #1
    Sr. Mechanic chevyman2004's Avatar
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    southwest Minnesota
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    Default 18x9 rims with -12mm offset

    Will i be able to run 18x9 rims with a -12mm offset and 4.5" backspace on my 2500HD with leveling kit and 33" tires (285/65/18)?

    2004 Chevy Silverado 2500HD:sign0011:
    6.0L Vortec
    Magnaflow 4" Dual Exhaust
    Leveling Kit
    Westin step bars
    Penda Skid Resistor bed liner
    dark blue metallic
    Bak Industries plastic bed rail caps
    Alpine 6 1/2" SPS-600 in front
    Alpine 6 1/2" SPG-17C2 in rear
    Bilstein HD Shocks front and rear
    Goodyear Wrangler Duratracs LT265/75/R16
    Access Lorado Roll-up soft tonneau cover

  2. #2
    Jr. Apprentice
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    Dayton,ohio
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    Default

    I have a 2008 silverado Z71 I just bought 33/12.50r18 toyo mt tires with rims with +30 0ffset and they rub on the upper control arm because of the width I was told to stay close to factory offset but the wider tire got me. I dont think what you want will work will I think they will rub even with the smaller width tire you are wanting They will probably hit the outside of fender well with that much negative offset

  3. #3
    Jr. Mechanic Chevyman224's Avatar
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    Default

    yea they will fit. You will have to trim some plastic. But they will be the same size as your 285/75/16. You could also possibly fit 305/60/18s.

    2005 Chevy 2500hd 4x4
    5% tint all the way aroung
    325/60/18 Toyo Open Country At's
    18in kmc xd monster series
    Dual Flowmasters
    Rough Country leveling kit

  4. #4
    Sr. Mechanic chevyman2004's Avatar
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    how is the ride with the shorter sidewall tires? Does it really make a difference?

  5. #5
    Jr. Mechanic Chevyman224's Avatar
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    Default

    Its a lot harsher ride when you have a leveling kit with 18s and 33s. SHakes you to death when your on a real bumpy road. Would recommend to invest in some aftermarket shocks

  6. #6

    Default

    Look at my thread......mine are the same size you are asking about and -11 offset. The only difference is that mine is a GMC.

  7. #7
    Sr. Mechanic chevyman2004's Avatar
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    Default

    i see ur thread bob the wheels look cool. Does the 2500 differ from the 1500 in space wise? Also has anyone seen diamo 17k 18x9s cause all i see are 18x10s and the diamo website says they make 18x9s.

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