20" Tire question

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2009-2015 Cadillac CTS-V Appearance Mods Discussion, 20" Tire question in Cadillac CTS-V Series Forum - 2009-2015; I know this is probably beating a dead horse as im sure its been asked alot, but I am needing ...
  1. #1
    theVee is offline Cadillac Owners Member
    Join Date
    Aug 2012

    20" Tire question

    I know this is probably beating a dead horse as im sure its been asked alot, but I am needing some tires for new wheels. I have 20/9 an 20/10.5 for my sedan. What tires would yall recommend as well as the size. Car is around 650-660 rwhp right now so need a tire with good traction.
    Will a 305/35 fit these cars?

    Appreciate any advice.

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  3. #2
    CVP33's Avatar
    CVP33 is offline Cadillac Owners Master
    Automobile(s): '04V, '05V, '06SRT8, '10V, '13ZL1, '12 V, '16 Z06 SC757
    Join Date
    Feb 2004
    Killer of diffs 7X

    Re: 20" Tire question

    Not going to happen on 20's.

  4. #3
    Paul@HoweyIndustries's Avatar
    Paul@HoweyIndustries is offline Cadillac Owners Fanatic
    Join Date
    May 2012
    Orland Park, IL

    Re: 20" Tire question

    A 295 is really the largest you want to go on a 20x10.5 wheel.

    Something to consider; A 295 = 11.6" wide. A 10.5" wheel is actually 11.5" wide from outer edge to outer edge. So the 295 fits the 10.5" wheel perfectly square. The 305 = 12" wide. So this gives you .25" of bulge on each side of the wheel. This can cause rubbing depending on the offset of the wheel and suspension.

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