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Thread: Anti-diesel solenoid idle RPM.

  1. #1

    Default Anti-diesel solenoid idle RPM.

    Hi. I have a relatively new Holley carburetor with a Holley anti diesel solenoid installed on a 427 Chevy big block, it currently it idles at 550 RPM. I want to increase this to 650 RPM, the car has been previously tuned and the mixtures set. Do I just adjust the idle speed screw only? Thanks.

  2. #2
    Join Date
    Jan 2010
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    Brisbane, Australia
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    1,300

    Default

    You would adjust the idle stop solenoid, it controls hot idle speed. The throttle body idle speed screw would be idle with the solenoid de-energized.
    Regards, Gary

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