Rear PS2 Question

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2009-2015 Cadillac CTS-V General Discussion Discussion, Rear PS2 Question in Cadillac CTS-V Series Forum - 2009-2015; While looking up rear tires, I noticed that some have a solid middle rib and others have a wider rib ...
  1. #1
    baabootoo's Avatar
    baabootoo is online now Cadillac Owners Connoisseur
    Automobile(s): Red/Blk 2016
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    May 2010
    Racine, WI

    Rear PS2 Question

    While looking up rear tires, I noticed that some have a solid middle rib and others have a wider rib with a slot between them. Anyone know why or which one is correct? I got rid of mine last year. Thanks.

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  3. #2
    V locity's Avatar
    V locity is offline Cadillac Owners Connoisseur
    Automobile(s): 2011 CTS-V A6, 752 RWHP Stock airbox & stock exst
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    Katy, TX

    Re: Rear PS2 Question

    Never noticed? Gettin rid of the POS2s was a great move. Whadga replace em with?

  4. #3
    thebigjimsho's Avatar
    thebigjimsho is offline Cadillac Owners 10000+ Posts
    Automobile(s): ZIP
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    In the barrel of a gun...
    They will have different tread block widths at different overall widths. Most tires are like this...

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  6. #4
    larry arizona is online now Cadillac Owners Connoisseur
    Automobile(s): 10 V 4DR,6M,Blk,2.55,airaid,160t,W4M HX & tune Eibachs
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    Metro Detroit

    Re: Rear PS2 Question

    someone posted that there are 3 or 4 ps2 part numbers for our size. the gm spec tires may differ for their version of the ps2. tpc spec 1357 is the correct tire for the v. wide center rib with a slit in the center. its written on the side wall.

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