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Thread: My cure to get 10.5" wheels to fit...

  1. #1
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    Default My cure to get 10.5" wheels to fit...

    Well I have decided on the wheels I want as well as the tire size I want to run. BLVD Customs will be doing this for me... I know the owner and everyone that works there pretty well, I have been dealing with them since I was 15, 10 years now.

    Anyways I have decided I want the Vossen 082 wheels. The rears come with a 42mm offset on a 10.5" wide wheel.

    Our plans:
    roll the fenders... +2 to +3mm
    pull the fenders... +3 to +5mm (can go as far as we want, but we want it to be very subtle)
    shave the hub on wheels... +3mm is safe according to Vossen

    By doing this we will pick up positive offset from +8mm up to +11 while keeping it all very classy and subtle.

    We are also going to test fit a 305 width tire on the rear of the car since a 285 will most certainly be stretched and is not the look I want!

    So technically by doing all of this we will be taking a 42mm offset wheel up to a +50mm or so which will hopefully allow for the 10.5" wheel to fit with the 305 or 295 tire at the least!

    What do you guys think?

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    The Great Pumpkin! 99-LS1-SS's Avatar
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    Personally I cringe at the thought of rolling and pulling the fender. I hope it works out for you.

    Here is my crazy idea using the stock GXP rims

    Stock rim size = 19" x 8" with a 49mm offset

    1" = 25.4mm

    8" wide rim with a 49mm offset. Add 2" to the back side of the rim. This changes the offset to 74.4mm (25.4mm + 49mm = 74.4mm) which is a little too much. Add a 3/4" (19.05mm) spacer and it reduces the offset to 55.35mm which I think is a pretty close to perfect on a 10" wide rim. Given the fact that the rim is 19" tall rim instead of a 20" tall rim I think the fender clearance issues will be slightly less. The only real unknown for me is the clearance on the backside or the wheel. Since people are currently running 10" rims on their Holden and G8s so I have to believe that there is enough room on the inside of the fender well.
    SOLD: 2009 Maverick Silver G8 GXP M6
    Current Vehicle: 1984 Chevy K10 (it's red and redneck)
    New Vehicle: 1972 2wd K5 Blazer. It's being built right now. Link to the build is HERE

    You cannot strengthen the weak by weakening the strong. You cannot help the wage earner by pulling down the wage payer. You cannot help the poor by destroying the rich. You cannot help men permanently by doing for them what they could and should do for themselves.
    - John Henry Boetcker

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    Rolling and pulling is not a big deal at all! So many people worry about this. My shop has done this to 3 of my vehicles without any problems at all and they have done it on Mercedes, BMWs and many high end cars. If anything happens to the paint they will take car of it!

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    Senior Member Featherburner's Avatar
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    Quote Originally Posted by 99-LS1-SS View Post
    Personally I cringe at the thought of rolling and pulling the fender. I hope it works out for you.

    Here is my crazy idea using the stock GXP rims

    Stock rim size = 19" x 8" with a 49mm offset

    1" = 25.4mm


    8" wide rim with a 49mm offset. Add 2" to the back side of the rim. This changes the offset to 74.4mm (25.4mm + 49mm = 74.4mm) which is a little too much. Add a 3/4" (19.05mm) spacer and it reduces the offset to 55.35mm which I think is a pretty close to perfect on a 10" wide rim. Given the fact that the rim is 19" tall rim instead of a 20" tall rim I think the fender clearance issues will be slightly less. The only real unknown for me is the clearance on the backside or the wheel. Since people are currently running 10" rims on their Holden and G8s so I have to believe that there is enough room on the inside of the fender well.
    I think you should check your math.
    John
    2009 Stryker Blue Metalic GT
    1993 Pontiac Formula FIREHAWK 385ci., M6, Strange S60.
    1968 Firebird Formula Convertible *Restomod project*

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    The Great Pumpkin! 99-LS1-SS's Avatar
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    Quote Originally Posted by Featherburner View Post
    I think you should check your math.
    Which part? I genuinely want to know so I don't screw something up.
    SOLD: 2009 Maverick Silver G8 GXP M6
    Current Vehicle: 1984 Chevy K10 (it's red and redneck)
    New Vehicle: 1972 2wd K5 Blazer. It's being built right now. Link to the build is HERE

    You cannot strengthen the weak by weakening the strong. You cannot help the wage earner by pulling down the wage payer. You cannot help the poor by destroying the rich. You cannot help men permanently by doing for them what they could and should do for themselves.
    - John Henry Boetcker

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    Senior Member Featherburner's Avatar
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    74.4mm (25.4mm + 49mm = 74.4mm)
    It looks to me that you only added one inch. Wouldn't it be 99.8mm (50.8mm + 49mm = 99.8mm)
    John
    2009 Stryker Blue Metalic GT
    1993 Pontiac Formula FIREHAWK 385ci., M6, Strange S60.
    1968 Firebird Formula Convertible *Restomod project*

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    Quote Originally Posted by 99-LS1-SS View Post
    Which part? I genuinely want to know so I don't screw something up.
    In your math you only added MMs for 1" and not the 2" you said you wanted to add... I could be wrong but I think that is what he is talking about!
    2004 GTO Black/Red 1 of 1
    Twin GT42R Custom Turbo Setup
    Moser 9" SRA Conversion, TH400/FTI Custom Converter
    Iron 408, ET 240cc Heads, FTI Custom Cam

    '09 Pontiac G8 GT Blk/Blk - Wrecked and Traded
    Pedders Extreme Coilovers
    20" Vossen 082 wheels 10.5"R 9"F

    '09 Pontiac G8 GXP White/Black
    Mods to come...

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    Quote Originally Posted by Featherburner View Post
    74.4mm (25.4mm + 49mm = 74.4mm)
    It looks to me that you only added one inch. Wouldn't it be 99.8mm (50.8mm + 49mm = 99.8mm)
    Damn you beat me to it!
    2004 GTO Black/Red 1 of 1
    Twin GT42R Custom Turbo Setup
    Moser 9" SRA Conversion, TH400/FTI Custom Converter
    Iron 408, ET 240cc Heads, FTI Custom Cam

    '09 Pontiac G8 GT Blk/Blk - Wrecked and Traded
    Pedders Extreme Coilovers
    20" Vossen 082 wheels 10.5"R 9"F

    '09 Pontiac G8 GXP White/Black
    Mods to come...

  9. #9
    Senior Member Featherburner's Avatar
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    Quote Originally Posted by TrakDay View Post
    Damn you beat me to it!
    Sorry, BTW welcome to the board.
    John
    2009 Stryker Blue Metalic GT
    1993 Pontiac Formula FIREHAWK 385ci., M6, Strange S60.
    1968 Firebird Formula Convertible *Restomod project*

  10. #10
    The Great Pumpkin! 99-LS1-SS's Avatar
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    I added 1" because the offset is from the center. 1" to the outside and 1" to the inside. Does that make sense?
    SOLD: 2009 Maverick Silver G8 GXP M6
    Current Vehicle: 1984 Chevy K10 (it's red and redneck)
    New Vehicle: 1972 2wd K5 Blazer. It's being built right now. Link to the build is HERE

    You cannot strengthen the weak by weakening the strong. You cannot help the wage earner by pulling down the wage payer. You cannot help the poor by destroying the rich. You cannot help men permanently by doing for them what they could and should do for themselves.
    - John Henry Boetcker

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