Spark plugs
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2008-2013 Cadillac CTS General Discussion Discussion, Spark plugs in Cadillac CTS Second Generation Forum - 2008-2013; I have an 08 DI and its time to change the spark plugs. Can I get some suggestions? What are ...
  1. #1
    anpirz's Avatar
    anpirz is offline Cadillac Owners Member
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    Spark plugs

    I have an 08 DI and its time to change the spark plugs. Can I get some suggestions? What are the plugs that come from factory? I would also like to know if there is a plug that could give me a little more performance without compromising much, ie changing them yearly.

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    99flhr is offline Cadillac Owners Enthusiast
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    Re: Spark plugs

    IMO there is no magic spark plug that will "increase performance"

  4. #3
    anpirz's Avatar
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    Not asking for magic. Some plugs give a bit more hp. That would fall under performance.

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    Kenny9123 is offline Cadillac Owners Member
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    Quote Originally Posted by anpirz View Post
    I have an 08 DI and its time to change the spark plugs. Can I get some suggestions? What are the plugs that come from factory? I would also like to know if there is a plug that could give me a little more performance without compromising much, ie changing them yearly.
    E3 or nothing!

  6. #5
    MoFex's Avatar
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    Re: Spark plugs

    I would stick with OEM or go for a quality Platinium spark plugs from Bosh or NKG. Stay away from E3!

  7. #6
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    Re: Spark plugs

    I like NGK, but that is a personal opinion. Also, there is nothing wrong with OEM plugs, whatever they are.

    I agree with 99flhr that there is no plug that actually will increase hp. All they can do is possibly increase efficiency in the spark/burn, but no increase in hp.

  8. #7
    Sal33n's Avatar
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  9. #8
    tinman's Avatar
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    Re: Spark plugs

    Be sure to wear eye protection.

  10. #9
    99flhr is offline Cadillac Owners Enthusiast
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    Re: Spark plugs

    Quote Originally Posted by Sal33n View Post
    Interesting, however if you make your own you don`t have a decal for the window and as we all know, a sticker is worth 5 hp.

    Google "Splitfire vs. FTC" for more interesting reading.

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    tinman's Avatar
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    Re: Spark plugs

    I got ten hp from changing my blinker fluid last night.

  12. #11
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    Re: Spark plugs

    Quote Originally Posted by 99flhr View Post
    Interesting, however if you make your own you don`t have a decal for the window and as we all know, a sticker is worth 5 hp.

    Google "Splitfire vs. FTC" for more interesting reading.

    Just print this out and tape to your window. There is 5 more HP and you will impress your friends!


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  13. #12
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    Re: Spark plugs

    Quote Originally Posted by tinman View Post
    I got ten hp from changing my blinker fluid last night.
    Did you use Platinum Blend or Synthetic Maxx?

  14. #13
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    Re: Spark plugs

    Ha ha ha Lol!!!

    I honestly spit my morning coffee all over my computer monitor. Thanks a lot guys.

    This really is a great enthusiast's forum!
    Quote Originally Posted by Sal33n View Post
    Just print this out and tape to your window. There is 5 more HP and you will impress your friends!


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    Clever guys. Maybe you should have kept that "blinker fluid" comment in the military, where we all heard it first. Not much help guys.

    ----------

    To anybody who may have decent info about cars, are denso good plugs for this car? Also, I'm assuming iridium plugs are really the only plugs I should be putting in? I've heard copper and platinum burn too quickly.

  16. #15
    MoFex's Avatar
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    Re: Spark plugs

    anpirz

    you cannot go wrong with either platinum or iridium. I changed platinum to iridium on my wife's car at 95,000 miles. The platinum were still in good shape. As I said before go with OEM or Bosh or NGK. The Denos are good too. Just do not expect power increases. They all will last 100,000 miles though.

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