Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - To Drill or Not To Drill (Carb Question)
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Old 03-02-2006, 09:30 AM
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Leejoy, Yes you have to take the carb off and turn it upside down (you probably want to drain the float bowls first). Opening the secondaries should be done before drilling. Meaning drilling is the last resort, you don't want the secondaries opened too far either. What the drilling does is lean out the idle a bit. With long duration cams sometimes, that is the only way to go.

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