Thread: GXP Tire Questions

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  1. #1 GXP Tire Questions 
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    Has anyone put the same size tires all around on a '08 GXP? The fronts are now 255/45zr18 on factory 8" rims. Why not the same tire on the rear 7" rims?

    Or, is there a 50 series or 55 series that would give better ride quality?
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  3. #2 Re: GXP Tire Questions 
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    255 is a bit much on a 7" rim. I have 245s on 7" and id say that's about the limit unless you have plenty of sidewall.
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  4. #3 Re: GXP Tire Questions 
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    yea I would say the same maybe find a gxp at the junkyard and pull the 2 8 inch rims off that?
    2004 gtp SD headers, e85, #60 injectors, Walbroh 255lph, junkyard custom fender well intake, lq4 MAF, 2.8 Pulley, 1.95 rockers, l76 springs, ssic w/ vw rad shift kit and tranny cooler 275/45r17. BMR trailing and rear control arms, zzp STB's, tubular control arms, Dorman and Addoco sway bars, intense coilovers, all poly. avid av-20s
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  5. #4 Re: GXP Tire Questions 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    245/45/18 is the size to run all 4 corners. But I would find 2 more 8in rear wheels so you can do real rotates.

    SMGPFC Member #1
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  6. #5 Re: GXP Tire Questions 
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    Anyone have a pair of stock 8" Grand Prix GXP rims for sale?
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  7. #6 Re: GXP Tire Questions 
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    I do. PM me.
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