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ngk BP5EY spark plugs

Discussion in 'Technical Q&A' started by maurice70, Jul 24, 2004.

  1. maurice70

    maurice70 F1 Rookie

    Jan 25, 2004
    3,885
    Sydney
    Full Name:
    maurice T
    Has anyone used this spark plug in their 308?Im told the "Y" tip helps against plug fouling.Any other theories?Thanks in advance
     
  2. Steve Magnusson

    Steve Magnusson F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    19,255
    Texas
    Full Name:
    Steve Magnusson
    Maurice -- The "Y" type NGK plugs I believe are just a standard electrode with a V-groove cut into the center electrode face so just slightly up the food chain in terms of anti-fouling characteristics (do an internet search on "NGK spark plug codes" and you'll get the information on how to decode the number structure). IME, you'd be better off trying:

    NGK BPR5EVX or BPR6EVX (small diameter Platinum center electrode)

    or

    NGK BPR5EIX or BPR6EIX (very small diameter Iridium center electrode)

    Don't know if this is a practical source for you, but a lot of us in N.A. use www.clubplug.net to keep the costs reasonable for these exotic NGK plugs.
     
  3. Smiles

    Smiles Moderator
    Moderator Owner

    Nov 20, 2003
    14,086
    Pittsburgh, PA
    Full Name:
    Matt F
    5 NGK heat range sounds pretty hot to me!
     

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