carb jetting

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  • 12racing1
    Junior Member
    • Mar 2012
    • 2

    #1

    carb jetting

    what is a good starting point for jet size.engine is a dave adams 9.5 b mod motor,carb is a 4412 built by sean murphy,had a few suggest 75 but want a few more thoughts,thanks for any info
  • TeamGRT12x
    Senior Member
    • Jun 2007
    • 911

    #2
    I would run what the carb builder suggests.
    Curious that we spend more time congratulating people who have succeeded than encouraging people who have not.

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