Another victum of the spring loaded Supercharger isolator. What a waste.
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2009-2014 Cadillac CTS-V Performance Mods Discussion, Another victum of the spring loaded Supercharger isolator. What a waste. in Cadillac CTS-V Series Forum - 2009-2014; Like so many others, I'm the victim of a rattling supercharger coupler. I commend GM for covering it under warranty. ...
  1. #1
    Moparman4444 is offline Cadillac Owners Enthusiast
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    Another victum of the spring loaded Supercharger isolator. What a waste.

    Like so many others, I'm the victim of a rattling supercharger coupler. I commend GM for covering it under warranty. Got to love GM's 4 year warranty. That's one of the main reasons for buying the V to begin with.

    Any way I tried to see if the dealer would just replace it with a 2.3 blower from the ZR1. They said NO. no surprise but it was worth a shot.

    Does anyone know if the new replacement superchargers are upgraded to eliminate the spring isolator?

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  3. #2
    rayjoedef is offline Cadillac Owners Fanatic
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    I'm not aware that the 2.3 ZR1 blower is compatible with the LSA yet....I know LPE has been working on the snout for quite awhile.

  4. #3
    spearfish25 is offline Cadillac Owners Enthusiast
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    My experience thus far is that GM really doesn't change anything (aside from adding little things like two piece rotors) once the first car is rolled off the production line at the start of its model cycle. The replacement SC will eventually do the same thing.

  5. #4
    V-swagon's Avatar
    V-swagon is offline Cadillac Owners Fanatic
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    While on this years Hot Rod Power Tour, I talked to a guy named Chris who works at Eaton. He told me that superchargers that are replaced are suppose to have the updated isolators in them.

  6. #5
    Moparman4444 is offline Cadillac Owners Enthusiast
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    I hope they do have the solid isolators in them. unfortunately the only way to know for sure is to take apart the snout. Well, I guess as long as I am in there I might as well port and polish the blower and snout to increase flow along with a 92mm throttle body. I think its time.

  7. #6
    baabootoo's Avatar
    baabootoo is offline Cadillac Owners Connoisseur
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    So you had a rattling isolator and you wanted them to replace it with a bigger supercharger or did I miss another part somewhere?????????

  8. #7
    Da V-Man is offline Cadillac Owners Fanatic
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    Quote Originally Posted by Moparman4444 View Post
    . . . along with a 92mm throttle body.
    Who makes this?

  9. #8
    Moparman4444 is offline Cadillac Owners Enthusiast
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    the GM LS7 throttle body is about 91- 92mm. I haven't measured it yet but believe that's what it is.

    I would love to go with a bigger blower like the 2.3 one from the Vette if it fit but what would I do with a brand new 1.9 blower being replaced under warranty. I guess I could use it as a big paper weight. lol

  10. #9
    Da V-Man is offline Cadillac Owners Fanatic
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    Quote Originally Posted by Moparman4444 View Post
    the GM LS7 throttle body is about 91- 92mm. I haven't measured it yet but believe that's what it is.
    The LS7 TB is 90mm vs the LSA TB at 87mm. That makes the LS7 TB 7% larger.

  11. #10
    Luna. is offline Cadillac Owners Connoisseur
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    Quote Originally Posted by Moparman4444 View Post
    the GM LS7 throttle body is about 91- 92mm. I haven't measured it yet but believe that's what it is.

    I would love to go with a bigger blower like the 2.3 one from the Vette if it fit but what would I do with a brand new 1.9 blower being replaced under warranty. I guess I could use it as a big paper weight. lol
    If I had the chance to do it all over again, I wouldn't mess with the 2.3l blower right now. The 1.9l blower can really do some remarkable things if handled correctly & with the correct parts/combination.
    Tedboss1 likes this.

  12. #11
    Trapspeed's Avatar
    Trapspeed is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by spearfish25
    My experience thus far is that GM really doesn't change anything (aside from adding little things like two piece rotors) once the first car is rolled off the production line at the start of its model cycle. The replacement SC will eventually do the same thing.
    What he said.

  13. #12
    CavemanB52's Avatar
    CavemanB52 is offline Cadillac Owners Enthusiast
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    Just replace it with a solid isolator. I did. Before a rattle started.

  14. #13
    warmwater is offline Cadillac Owners Member
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    So I guess it was not fixed on your 2012 cavemanb52, will be an issue on my 2013.

  15. #14
    CavemanB52's Avatar
    CavemanB52 is offline Cadillac Owners Enthusiast
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    Quote Originally Posted by warmwater View Post
    So I guess it was not fixed on your 2012 cavemanb52, will be an issue on my 2013.
    Probably. But its not a big deal. Just annoying I hear.

  16. #15
    bbradyc5 is offline Cadillac Owners Member
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    Re: Another victum of the spring loaded Supercharger isolator. What a waste.

    They do not replace with solid isolator,new unit will have same original set up.

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