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Thread: New plugs and leads - EASY

  1. 26th July 2012, 10:03 AM #11
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    Tombie
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    Quote Originally Posted by redandy3575 View Post
    Just a general question with plugs. How long do the normal spark plugs last compared to the iridium ones? And are the iridium's worth the pennies?
    Better flame propagation, cleaner plug... Yep worth the money.

    Were brilliant in my stroker motor, far better than std type plugs...
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  2. 26th July 2012, 03:11 PM #12
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    adm333
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    I tried several different types of plugs over the time, including normal plugs at about $5 a pop to NGK Iridiums at around $18 a plug.

    However, in the end I settled on the Bosch Platinum which cost around $28 for 4 at SCA. These seemed to perform very well and last somewhere in between the regular plugs and Iridiums.

    I also had LPG so I was prone to changing them more frequently anyway.

    Dave
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  3. 26th July 2012, 04:53 PM #13
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    Quote Originally Posted by adm333 View Post

    However, in the end I settled on the Bosch Platinum which cost around $28 for 4 at SCA. These seemed to perform very well and last somewhere in between the regular plugs and Iridiums.

    Dave
    x2

    Spark plugs & oil
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  4. 3rd August 2012, 09:44 PM #14
    redandy3575
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    The iridium plugs arrived today, and fitted this afternoon. WOW....... what a huge difference this makes.

    Engine definitely runs smoother, and has a much more even power band across the entire rev range, where's before it had a bit of a flat spot around the 2000rpm mark. Power in general, engine response & economy is also up.

    I noticed too that the engine burns the fuel more cleanely, as the exhaust doesn't smell as rich.

    So far i'd say it was definitely worth the money.....
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