sparkplugs?
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This is a discussion on sparkplugs? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; So this is my 1st sti and I need to change my sparkplugs and I was thinking if it was ...

  1. #1
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    sparkplugs?

    So this is my 1st sti and I need to change my sparkplugs and I was thinking if it was hard change them or go to a shop.

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    Registered User jeffmm06's Avatar
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    Requires removal or the battery and windshield solvent resivoir and the air intake.

    I personally felt that it was easy if you have the proper tools, ratchet and sockets, and a piece of vacuum hose to start threading in the new plugs by hand so you dont strip the threads in the heads. Also be sure the block is cold, you dont want to do this when its warm.
    2005 WRB WRX "was" STAGE 2

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    Quote Originally Posted by jeffmm06 View Post
    Requires removal or the battery and windshield solvent resivoir and the air intake.

    I personally felt that it was easy if you have the proper tools, ratchet and sockets, and a piece of vacuum hose to start threading in the new plugs by hand so you dont strip the threads in the heads. Also be sure the block is cold, you dont want to do this when its warm.
    . So how hard is to doit. This will be my 1st time working on my sti.

  5. #4
    Registered User jeffmm06's Avatar
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    I guess me saying i personally feel fine doing it isnt to helpful .

    If you can change your oil you can do this...

    Here is a terrific DIY write up that shows step by step how to do it, How to change your sparkplugs

    Like I said, make sure you do this when the motor is cold.
    2005 WRB WRX "was" STAGE 2

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    Thanks a lot now whats a good sparkplud for my 05 sti stock

  7. #6
    Registered User EvoEatr's Avatar
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    Go with STOCK plugs if there are no other modifications done to the vehicle...I have seen people put the "better" aftermarket plugs in these cars and they ended up developing ignition problems...Subarus are extremely touchy when it comes to certain aftermarket componants...You cant go wrong with STOCK...

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    I'm back and have one more question . wher can I get the spark plugs can I get them at any auto parts or I need to go to subaru to get them. And sorry I'm new owner and I love my car I don't want to break it .

  9. #8
    Registered User jeffmm06's Avatar
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    I went with NGK Iridiums stock heat. You can find them at local part stores or buy them from our vendors such as here... STi & WRX Performance Parts: NGK Iridium Spark Plugs (Set of 4), 2004+ STi & 2.5L WRX
    2005 WRB WRX "was" STAGE 2

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    Thanks ill look in to it

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    Registered User diego04's Avatar
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    what are some good plugs for my car, i have the following mods catless dp,intake and tune thanks

  12. #11
    Registered User wrxlaunch's Avatar
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    one step colder isn't a bad idea... you'll prob need to re-tune tho to take advantage of them
    VF-43 Bugeye: OPEN SOURCE tune... 121xxx miles

    13.1@105... Lazy launch 1.9 60'
    285whp and 300WTQ.

  13. #12
    Registered User EvoEatr's Avatar
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    Quote Originally Posted by diego04 View Post
    what are some good plugs for my car, i have the following mods catless dp,intake and tune thanks
    As mentioned one step colder will do...or you could just put stock Heat range in there... Personally I would go one step colder...

  14. #13
    Registered User diego04's Avatar
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    sweet thanks for the info

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