New wheels soon

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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, New wheels soon in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; i am planning on upgrading my wheels now (drag dr33 18's) to Niche Milan 20x8.5 5x115(obviously) and i would like ...
  1. #1
    praprestoabi's Avatar
    praprestoabi is offline Cadillac Owners Fanatic
    Automobile(s): 04 CTS, on my 2nd 2010 CTS wagon
    Join Date
    Sep 2012
    Charlotte, NC

    New wheels soon

    i am planning on upgrading my wheels now (drag dr33 18's) to Niche Milan 20x8.5 5x115(obviously) and i would like to know the largest tire i could put on th car with these, the offset is 38. my car is lowered on hotchkis springs

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  3. #2
    Blayne's Avatar
    Blayne is offline Cadillac Owners Connoisseur
    Automobile(s): 2006 CTS sport model/package
    Join Date
    Sep 2012
    Sudbury, Ontario Canada
    Best bet would be to ask the V guys. They run bigger tires than us for the most part. But I would say a 245 would be a good size. No reason to run any bigger than that.

  4. #3
    AAIIIC's Avatar
    AAIIIC is offline Super Moderator
    Automobile(s): '05 CTS-V
    Join Date
    Aug 2007
    Where the Navy takes me...

    Re: New wheels soon - Start there. Compare prospective new sizes to what you have on the car now.

    On an 8.5" wheel the tire manufacturers won't have you going any wider than 255.
    '05 Stealth Grey CTS-V, 19x8.5/10" CCW T140s with Toyo Proxes T1 Sports (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

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