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Thread: Tire Fitment - 01 STS

  1. #1
    ddzc is offline Cadillac Owners Member
    Automobile(s): 2001 Cadillac STS
    Join Date
    Jan 2010
    Location
    Toronto
    Posts
    24

    Tire Fitment - 01 STS

    Hi all,

    I found a nice set of tires for the 01 STS and was wondering if they would fit properly without any issues.

    Here are the specs:

    Hercules Avalanche X-Treme

    Tire Size & Service Description - P235/55R17 99T
    Meas. Rim Width (in) - 7.5
    Max PSI - 44
    Max Load (lbs) - 1709
    Overall Diam. (in) - 27.22
    Section Width (in) - 9.79
    Tread Depth 32nds - 13.0


    Daniel


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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    Location
    MD Eastern Shore, Kent Island
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    77
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    56,808

    Re: Tire Fitment - 01 STS

    If your STS has the optional chrome 17" 7-spoke wheels that's the correct tire. Look at the sticker on the driver's door - the tire specs sticker - what size tire is there ?

    The only problem is the speed rating - a T tire is limited to 118 mph max speed - your car is limited to either 130 or "above 149" mph depending on the tire service letter on the door sticker.

    The max cold inflation pressure is for Bonneville Salt Flats runs only. Your car likes 32 psi all arond, cold. Wheel nuts torqued to 100 lb/ft in a star pattern.

  4. #3
    ddzc is offline Cadillac Owners Member
    Automobile(s): 2001 Cadillac STS
    Join Date
    Jan 2010
    Location
    Toronto
    Posts
    24

    Re: Tire Fitment - 01 STS

    Oops, I forgot to mention...yes they're the 7 spoke OEM chromes.

    So the speed rating is only for limitation purposes I'm assuming so that's not a big deal for me....don't really drive +150km. As long as the tire fits well and doesn't rub, that's all I was concerned about.

    Thanks for the response, much appreciated.


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