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HKS spark plugs?

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Has anyone on here fitted HKS spark plugs to their Z?

I know Johnny from GPS has :rolleyes:

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    • Featured Replies

    I have a pack of hks plugs but not fitted yet.

     

    Anything I should know about?

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    I have HKS in mine. Being serviced today and putting them in again. Seem to work well.

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    • Author
    Originally posted by martinfa

    I have a pack of hks plugs but not fitted yet.

     

    Anything I should know about?

     

    LOL no,mine are still in the box.

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    I'm running the colder HKS plug (can't remember the number) mainly as a safeguard against detonation. The only problem I've found is a slight miss on really cold days until the engine gets up to temp. I haven't noticed any performance gain, but then that wasn't why I fitted them anyway.

     

    Colin

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    i got mine from gps aswell Mac, cant really say i saw much if any difference in performance, what i did notice was that the car didnt idle a smooth as before. mac which type have you got s401 or s35i?

     

    Aki

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