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  1. 09-05-2009, 11:23 AM #1
    CornhuskerChevy
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    Default Sizing...Once Again.

    My 2007 Silverado came stock with 18inch rims, they are the special additions on the Z71's. Most of the other NBS trucks run the 17inch rims. I am looking at putting new rims on and havnt found any I like in 18's, they just look to big. Can I go with 17 inch rims? It wont mess up anything to major? Plus there are more tires available in 17inch sizes.


    2007 Z71 Silverado 1500 LT NNBS
    5.3L
    Custom Dual Exhaust
    2.25" ReadyLift
    285/65-R18 Kumho's
    Factory Steps
    Big Tex Cattle Guard
    Delta Pro Tool Box
    Chrome Door Handles
    WeatherTech Floormats
    Spray In Bedliner
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  2. 09-05-2009, 11:32 AM #2
    canislupis69
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    Default

    17's will fit...are you looking to go with a beefier tire?

    Bobby - North Carolina
    2008 4x4 5.3L V8
    6" Suspension Lift and 1.5" Body Lift
    20x9 Ballistic Jesters w/35" Toyo Open Country MT's
    4:56 Yukon Gears
    Hypertech Speedometer Calibrator
    Baja style bed mount spare tire carrier
    Flowmaster 40 series dual exhaust
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  3. 09-05-2009, 11:58 AM #3
    CornhuskerChevy
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    Default

    Yes I am looking for a beefier tire. I keep bouncing back and forth between what I want to do. I love the stock rims, but you can't fit a very wide tire on the 8" wide rim. I wanted to to with a 33X12.50 Toyo MT but the place I found said the minimum width is an 8.5" rim for that tire. If at all possible I'd like to stay with the stock rims, but just want to run a larger tire. Right now I'm looking at the Cooper STT's and the Toyo MT's. Just wish those 33X12.50's would fit on the stock rim.


    2007 Z71 Silverado 1500 LT NNBS
    5.3L
    Custom Dual Exhaust
    2.25" ReadyLift
    285/65-R18 Kumho's
    Factory Steps
    Big Tex Cattle Guard
    Delta Pro Tool Box
    Chrome Door Handles
    WeatherTech Floormats
    Spray In Bedliner
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  4. 09-05-2009, 02:58 PM #4
    canislupis69
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    Default

    You might want to check with member -" LarryleeUSN". I believe he is running his stock rims with either 33's or 35's. He is on here quite a bit.

    Bobby - North Carolina
    2008 4x4 5.3L V8
    6" Suspension Lift and 1.5" Body Lift
    20x9 Ballistic Jesters w/35" Toyo Open Country MT's
    4:56 Yukon Gears
    Hypertech Speedometer Calibrator
    Baja style bed mount spare tire carrier
    Flowmaster 40 series dual exhaust
    Recon Smoked LED tails and 3rd brake lights
    N-Fab Nerf Steps
    K&N CAI
    No Fear Pedals
    Tint, Line-X bedliner, Window visors, Rear wheel well liners
    Painted front grill, bow ties and door badges, de-"lettered" tailgate
    Powder coated front and rear bumpers
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  5. 09-06-2009, 01:11 AM #5
    adampaul1964
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    Default

    33x12.50 will fit on a stock 17" rim and they are 7.5" wide so they will fit on your 18"x8" rims no problem.
    Adam



    2005 Z71 Silverado Crew Cab
    previous:
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  6. 09-06-2009, 01:16 AM #6
    CarpenterGuy
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    Default

    my old truck had the 17" rims and it had 33x12.50's on there when i bought the truck.
    2006 Silverado Z71 - 97,000 - totaled, RIP
    2006 Silverado Z71 - 70,000 (K&N 77 Series CAI, PowerAid TBS, Magnaflow dual rear exit, 33x12.50 Mickey Thompson MTZ, Tuff Country Torsion Keys, Tuff Country Add-A-Leafs)

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  7. 09-06-2009, 09:30 AM #7
    blackburb
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    Default

    I had 32x11.50's on stock 7.5" wide rims on my old Bronco no problem.
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  8. 09-06-2009, 11:18 AM #8
    CornhuskerChevy
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    Thanks guys, makes me feel a lot better to know I can run those tires. Does anyone have some pictures of a 33X12.50 tire on the rims that are on my truck? It does have a 2.25" leveling kit on it, so I have been told they will fit with minimal rubs. True?

    Thanks Again


    2007 Z71 Silverado 1500 LT NNBS
    5.3L
    Custom Dual Exhaust
    2.25" ReadyLift
    285/65-R18 Kumho's
    Factory Steps
    Big Tex Cattle Guard
    Delta Pro Tool Box
    Chrome Door Handles
    WeatherTech Floormats
    Spray In Bedliner
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  9. 09-06-2009, 11:30 AM #9
    ian1324
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    I have a 2008 silverado I bought 33x12.5r18 toyo mt tires they will not fit hit the upper control arms when the wheel is at full lock ended up going with 270x70 r18 toyo mt they still rub slightly when I am going in reverse at full lock like pulling out of my driveway but I can live with that
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  10. 09-06-2009, 12:10 PM #10
    CornhuskerChevy
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    Default

    Ok, so I would be better to go with a 285/65 (33X11.5) tire? I assume hitting the upper control arm is a fairly major issue.


    2007 Z71 Silverado 1500 LT NNBS
    5.3L
    Custom Dual Exhaust
    2.25" ReadyLift
    285/65-R18 Kumho's
    Factory Steps
    Big Tex Cattle Guard
    Delta Pro Tool Box
    Chrome Door Handles
    WeatherTech Floormats
    Spray In Bedliner
    Reply With Quote Reply With Quote

 
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