Difference between early & late differentials
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2004-2007 Cadillac CTS-V General Discussion Discussion, Difference between early & late differentials in Cadillac CTS-V Series Forum - 2004 - 2007; As an owner of an 06' V I see occasionally that under the list of mods and upgrades to 04' ...
  1. #1
    soundexp's Avatar
    soundexp is offline Cadillac Owners Fanatic
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    Difference between early & late differentials

    As an owner of an 06' V I see occasionally that under the list of mods and upgrades to 04' & 05' V's that they have an 06' differential. The wheelhop issue notwithstanding (I definitely still have wheelhop) is the 06' diiferential any less prone to breaking than the earlier versions and if so, what is the difference?

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    CadiBlk's Avatar
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    Re: Difference between early & late differentials

    All I know about the different models is that the 06-07's have wider fins. The wheel hop is still the same, I don't think that anyone has said that it helps with wheelhop, I just think that it helps with diff explosions.

  4. #3
    darkman's Avatar
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    Re: Difference between early & late differentials

    Quote Originally Posted by soundexp View Post
    As an owner of an 06' V I see occasionally that under the list of mods and upgrades to 04' & 05' V's that they have an 06' differential. The wheelhop issue notwithstanding (I definitely still have wheelhop) is the 06' diiferential any less prone to breaking than the earlier versions and if so, what is the difference?

    __________________________________________________ ____________
    06' Black on Black CTS-V / Lingenfelter CAI / Katech shifter w/UUC bushings / w4m PCM / Hotchkiss sways / GM Performance drilled rotors / SS brake lines / Hawk pads F&R / Billet door lifts / Michelin PS 275/40/18 rears
    As far as I know, there have been no reports on this forum of 06' (and later) differentials "granading", that is the case breaking into pieces. The later model differentials still have the potential to become noisey over time to the point that they require replacement.

  5. #4
    814V's Avatar
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    Re: Difference between early & late differentials

    one good thing the guys with truck motors did do for us is a better diff!

  6. #5
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    Re: Difference between early & late differentials

    I wonder if I have the 06 diff?? I might need to run my VIN to see. I have the 05 with all of my mods and I am not having any issues with my diff.. however I am very quick to let off the gas when she starts to get lose...

  7. #6
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    Re: Difference between early & late differentials

    Quote Originally Posted by 814V View Post
    one good thing the guys with truck motors did do for us is a better diff!
    those guys should be thanking us for those diffs...

  8. #7
    CTSV_510's Avatar
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    Re: Difference between early & late differentials

    might as well post the pics...

    new style top, old style bottom



    .

    new style:


    old style:

  9. #8
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    Re: Difference between early & late differentials

    nice...

  10. #9
    ewill3rd is offline Cadillac Technician
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    Re: Difference between early & late differentials

    The nose piece is the main difference.
    That one with the front seal you can't see is what I call an '08 style.
    Those were released right at the beginning of '08 and that is what you get when you order a new one.
    The other design looks the same all the way back to start of production, but you can't get that style new anymore.
    (I took two of those pictures and I'm glad someone found them and posted them here)

  11. #10
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    Re: Difference between early & late differentials

    copyright infringement!

  12. #11
    T.G. is offline Cadillac Owners Fanatic
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    Re: Difference between early & late differentials

    I got a new style one put in my V last month. Thanks GMPP

  13. #12
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    Re: Difference between early & late differentials

    Quote Originally Posted by ewill3rd View Post
    The nose piece is the main difference.
    That one with the front seal you can't see is what I call an '08 style.
    Those were released right at the beginning of '08 and that is what you get when you order a new one.
    The other design looks the same all the way back to start of production, but you can't get that style new anymore.
    (I took two of those pictures and I'm glad someone found them and posted them here)
    Quote Originally Posted by thebigjimsho View Post
    copyright infringement!


    Please give credit for last two supplied pictures to Bill @ Lindsay Cadillac...

    Thanks Bill!

  14. #13
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    Re: Difference between early & late differentials

    Bill is da man.

  15. #14
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    Re: Difference between early & late differentials

    I have a local speed shop researching a Cobra 8.8 diff install for me. Im still waiting to hear back with a price and time estimate. They do a lot of Mustang, GN, FBody and Vette stuff but nothing more than basic stuff on a V.

    They said a M3 or M5 diff may also work but they are also aluminum so Im leery of that.

    Once they put my car on the lift both guys were suprised at how small the half shafts are especially with the stock power.

    If I do this late in the summer I will also have them upgrade my trans with Viper forks etc etc etc.

  16. #15
    atdeneve is offline Cadillac Owners Connoisseur
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    Re: Difference between early & late differentials

    Ill Will.

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