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This is a discussion on spark plugs within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Which spark plugs work the best for an 04 WRX???...

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    spark plugs

    Which spark plugs work the best for an 04 WRX???

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    There is no best.

    People really need to stop asking "what is the best xxxx part?!".

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    Admiral Ackbar the 1st mycologist's Avatar
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    Pretty sure he hasn't asked it before as it is only the third post.

    Moved to maintenance.

    I'd just run the stock spark plugs unless you have a tuner that wants to use one step colder.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

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    I meant people in general.

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    Quote Originally Posted by brfatal View Post
    I meant people in general.
    damm dude.... sorry about asking a question... I thought that was what a forum was for...

    I was tring to get a couple of different thoughts on the matter from different people...

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    It's all about the question you ask.

    There is no such thing as a "best part" because they either work well, work ok, or don't work at all. Whenever you ask "what is the best" people will just shill out what they used and you will not necessarily get good answers.

    What works? NGK Platinums, Iridiums, or Coppers. I use Coppers, but what I use may not be the best solution for you. What works best for you depends on what you have and what you want.

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    Registered User lytlec's Avatar
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    Quote Originally Posted by brfatal View Post
    It's all about the question you ask.

    There is no such thing as a "best part" because they either work well, work ok, or don't work at all. Whenever you ask "what is the best" people will just shill out what they used and you will not necessarily get good answers.

    What works? NGK Platinums, Iridiums, or Coppers. I use Coppers, but what I use may not be the best solution for you. What works best for you depends on what you have and what you want.
    I have a question...since I upgraded to the vf43 and I am at 261 whp, wouldn't that possibly be means for a different spark plug than stock. I am just asking cause my 60,000 mile service is coming up.
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    Quote Originally Posted by lytlec View Post
    I have a question...since I upgraded to the vf43 and I am at 261 whp, wouldn't that possibly be means for a different spark plug than stock. I am just asking cause my 60,000 mile service is coming up.
    One step colder wouldn't hurt.

  10. #9
    Registered User mudferret's Avatar
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    Quote Originally Posted by txpunk View Post
    Which spark plugs work the best for an 04 WRX???
    Typically ignition components are best left stock, i.e. use OEM spec plugs. No need to upgrade ignition bits unless it's justified.
    ...Rob.
    MMVI WRX - VF43 Airboy Tuned @ 3500'

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    Quote Originally Posted by txpunk View Post
    Which spark plugs work the best for an 04 WRX???
    Come on people, he's just looking for suggestions, not a lecture.
    I replaced my stock plugs in my '04 with NGK's IX-Iridium plugs, part #6418 at auto zone. I've been running them for about 20k miles and they work great. I didn't really notice a leap in performance or anything (and I wasn't expecting it too), but no problems with them. Iridium plugs are suppose to be more effecient, too.

  12. #11
    UnBanned Sinister's Avatar
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    Quote Originally Posted by hytzh8r View Post
    Come on people, he's just looking for suggestions, not a lecture.
    And he's got some good suggestions.


    OEM until larger than a vf-series IMO.
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