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Thread: What Upgraded spark plugs to use ?

  1. #1
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    Default What Upgraded spark plugs to use ?

    Can my 1.8 Sri 2007 use bosch super 4 spark plugs? or any other better type than standard. as well if any one has the links or codes for them. thanks

  2. #2
    Regular Member Mr Owens's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 2.2 direct

    Year : 2004

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    Why do you think an aftermarket spark plug would be better than a standard plug that has had hundreds of thousands if not millions of pounds spent on designing them ?

    If you had a turbo'd engine running silly horsepower then I can understand why you'd need to upgrade but on a standard 1.8 I wouldn't bother

  3. #3
    Regular Member Das's Avatar
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    Vehicle : Lada

    Trim : Riva

    Engine : 6.0 V12

    Year : 1954

    Mileage : 567890987

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    NGK Iridiums would be considered the next step up, I doubt you'd notice any difference in a standard car though, but at about £10 more than standard plugs hardly a huge loss and worth a try.

    Edit, Part number for them for the z18xer is ZFR5FIX-11
    http://www.ebay.co.uk/itm/NGK-Spark-...#ht_3295wt_932
    Last edited by Das; 15th July 2012 at 20:25.

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