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  1. #1
    Join Date
    Oct 2008
    Location
    Kitty Hawk, NC,
    Posts
    18

    Default How do you adjust the air/fuel

    How do you adjust the air/fuel mixture on Edelbrock 1409's. Do you really need a vacuum gauge? If so where do you connect it? Thanks!

  2. #2
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,195

    Default "A vacuum gage helps a lot IF

    "A vacuum gage helps a lot IF you can find a place to plug it into. DON'T use the PCV hose or you'll be way off.

    The idle mixture screws adjust the mixture. If you've never done it before, get someone who has. Tricky.

    Jeff"

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