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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Spark Plugs in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I am thinking about installing new plugs tomorrow, originals still in there after 109K miles in my 2006 3.6. I ...
  1. #1
    0849 is offline Cadillac Owners Member
    Automobile(s): 2006 CTS, 3.6 w/Sport Package
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    Spark Plugs

    I am thinking about installing new plugs tomorrow, originals still in there after 109K miles in my 2006 3.6. I like to buy my parts at Autozone and see that they have Autolite Iridium, Autolite Double Platinum, Champion Double Platinum, and Pulstar. I would be interested in hearing if anyone has any recommendations ? Thanks.

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  3. #2
    Jhayzhone's Avatar
    Jhayzhone is offline Cadillac Owners Member
    Automobile(s): Custom 2007 cts
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    Quote Originally Posted by 0849
    I am thinking about installing new plugs tomorrow, originals still in there after 109K miles in my 2006 3.6. I like to buy my parts at Autozone and see that they have Autolite Iridium, Autolite Double Platinum, Champion Double Platinum, and Pulstar. I would be interested in hearing if anyone has any recommendations ? Thanks.
    I just changed my plugs couple weeks ago and i got ngk iridium. They work really good and you can feel the difference after you change your plugs. Its better to get a vmax iceolator before you change your plugs.

  4. #3
    Upchuck's Avatar
    Upchuck is offline Banned
    Automobile(s): 2004 Cts 3.6 L/S
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    I just kept the ac delco platinums in it.

  5. #4
    aviatordave is offline Cadillac Owners Fanatic
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    Re: Spark Plugs

    Quote Originally Posted by Jhayzhone View Post
    I just changed my plugs couple weeks ago and i got ngk iridium. They work really good and you can feel the difference after you change your plugs. Its better to get a vmax iceolator before you change your plugs.
    what is this vmax iceolator you speak of? is it something you have to remove the intake to install? from the poor online photos, it loos like it.

  6. #5
    Iceman_jd's Avatar
    Iceman_jd is offline Cadillac Owners Fanatic
    Automobile(s): 2007 3.6 CTS
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    Re: Spark Plugs

    Quote Originally Posted by aviatordave View Post
    what is this vmax iceolator you speak of? is it something you have to remove the intake to install? from the poor online photos, it loos like it.
    Yes you have to remove the intake. Vmax Iceolator goes between the heads and IM.

  7. #6
    sandalet's Avatar
    sandalet is offline Cadillac Owners Enthusiast
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    Re: Spark Plugs

    I use original spark Toyota iridium.

  8. #7
    0849 is offline Cadillac Owners Member
    Automobile(s): 2006 CTS, 3.6 w/Sport Package
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    Re: Spark Plugs

    Thanks for the info gentlemen. I ended up buying a set of Autolite Iridium, have not installed them yet, but it is interesting how small in diameter the electrodes are.

  9. #8
    acom is offline Cadillac Owners Member
    Automobile(s): 07 cts 2.8
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    Re: Spark Plugs

    does the vmax iceolater fit 2.8l or just 3.6?
    says its for 3.6 but I don't know if it can fit both

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