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Thread: how to set the fast idle cam on electric choke

  1. #1

    Default how to set the fast idle cam on electric choke

    Hello,

    I'm having quite a hard time to set my electric choke on my holley 750 Vacuum secondary , the voltage is correct but seems the fast idle cam is not doing the job , I set the choke cap right in the middle so how many turns is the factory set up for the fast idle screw? And is there a procedure as per how to set the fast idle cam??

    Thank you!

  2. #2
    Join Date
    Dec 2009
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    4,051

    Default

    Quote Originally Posted by Jean View Post
    And is there a procedure as per how to set the fast idle cam?
    The procedure is similar as to the factory service manual.
    It involves adjusting the fast idle screw to achieve a certain idle RPM (usually around 1600), while on the highest step of the fast idle cam.

    http://www.holley.com/data/Products/...9934-3rev1.pdf (For a Holley carburetor, read the center of page 9.)
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  3. #3

    Default

    Thank you,

    I got and followed already those pages but the thing is how to be sure the fast idle cam is set correctly?

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