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Thread: Iridium plug confusion

  
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    Iridium plug confusion

    I think I have read too much on these plugs & confused myself!
    I understand that the BKR6EIX plug is the best to use but whch version of it do I get as they have differing gaps.
    Do I get the BKR6EIX or the BKR6EIX-11
    I am fitting them to a standard Astra 888 (Apart from a Vectra C intake pipe & the standard 888 panel filter & back box)
    I know this question has been asked a thousand times

    Please help ASAP, want to order some tonight from www.sparkplugs.co.uk

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    Red Bull's Avatar
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    your need bkr6eix but it is not needed unless you have had the car remapped.good luck.

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    BKR6EIX-11
    i just got these and they cured my idle problem , so id recommend these ones
    YOUR FRIENDLY WINDSCREEN MAN

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    BKR6EIX-11 - both Shev and I are running these on our 888's with good results m8. I also ran them on my previous turbo. The gap is slightly bigger therefore giving a bigger spark, and they supposedly run cooler.

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    would they run on ok na cars a 1.8 and a 2.2 ??

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    Out of interest, why the BKR6EIX-11? The extra gap would put extra strain on your ignition system and may kill it over time. Also - if you are tuning your engine, you need a smaller gap, not a bigger one.

    I have fitted the BKR6EIX plugs on mine - no problems here.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    As I said over on the Zlet forum - I have the normal none -11 plugs and have had absolutly no running issues at all.
    JDM WRX STi7 Subaru Impreza
    300bhp

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    Quote Originally Posted by MikeWarner
    Out of interest, why the BKR6EIX-11? The extra gap would put extra strain on your ignition system and may kill it over time. Also - if you are tuning your engine, you need a smaller gap, not a bigger one.

    I have fitted the BKR6EIX plugs on mine - no problems here.
    The theory behind iridium plugs is that they allow a larger spark (gap), at cooler temps, and don't put any strain on your ignition system.

    Indeed, with a higher boosting engine you might be better off with a smaller gap than this as the extra boost pressure could blow out the larger spark. But Astra888 is not planning on doing this to my knowledge in the short-medium term.

    As stated, Shev and I have been running these plugs (as recommended by NGK) for some time now and have excellent power results, and very good fuel economy.

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    Thanks for your advice, hope it improves my 22mpg

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    I would recommend the BKR6EIX over the -11.

    VX recommend a 0.8 gap, so best to stick with that, as the ignition system was specifically designed to work with that.
    I don't want to shorten the life of my ignition system in any, so will stick with std gap.

    Car prior to the remap ran as steady as rock after fittment of these plugs.

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