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Thread: spark plugs

  1. #1
    Senior Member MASTER BUILDER
    Join Date
    Jan 2007
    Batesville Ms.

    spark plugs

    360 sbc, alum heads 60 cc , flattop pistons, 12-1 cr 6800 rpm no power adders, VP c-12 race fuel. What plug recomendation. Thanks Later J.Smith 4621 racing

  2. #2
    Senior Member MASTER BUILDER
    Join Date
    Sep 2005
    NGK r5672a-8 maybe -7 but I would see how the -8 looked first.Bill.

  3. #3
    Senior Member EXPERT BUILDER
    Join Date
    Dec 2010
    Spark Plug Reading Secrets - CachedSimilar- Block all results
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    Once others find out you know how to read plugs you won't be able to pull out your plug light without other racers showing up with spark plugs for you to ...

  4. #4
    Senior Member DYNO OPERATOR
    Join Date
    Apr 2008
    R 5671-7

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