What spark plug?

Discussion in 'Technical' started by Phil UK, Dec 19, 2012.

  1. Phil UK

    Phil UK Member

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    I have been speak with NGK regarding spark plugs, They suggest part number #5657 or #5034.

    My engine is a 347 stroker and will only be used on the track, I wondered what everyone else runs in their cars?? Only problem with the above part number is that I can only order from the states which is a pain for a serviceable item.

    Anyone info would be appreciated.

    Regards
    Phil
     
    Phil UK, Dec 19, 2012
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  2. tody

    tody Member

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    i'm running a 347 myself. i have talked to my engine builder about this, his major concern was the heat range of the plug.
    will call him again for his recommendation, will let you know!
     
    tody, Dec 19, 2012
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  3. Jsarnold

    Jsarnold Senior Member

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    If you're running aftermarket heads their online info and tech support are other sources of info.
     
    Jsarnold, Dec 19, 2012
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  4. Phil UK

    Phil UK Member

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    Great thanks
     
    Phil UK, Dec 19, 2012
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