three circuit dominator
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three circuit dominator

  1. #1
    Senior Member motor head's Avatar
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    Default three circuit dominator

    So what's the key to making a three circuit dominator not blubber at cruising rpm? Real big intermediate air bleeds?
    [SIGPIC]

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    It shouldn't blubber with standard air bleeds.
    I ran two 1050's with standard air bleeds with no blubber that I could ever tell.
    At most, it might make it run a little rich, but not to the point of being a problem with the engine.

    That's been my experience.

  4. #3
    Senior Member motor head's Avatar
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    But were they 3 circuit or 2 Jim?
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    Senior Member TNYoungblood's Avatar
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    Get with Gearhead, head he was pretty awesome at gettin them dialed
    WFLC The REAL #321 Kentucky Drag Boat Association 2016 NJBA 10.0 High Points Champ

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    Senior Member motor head's Avatar
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    Will do TN. thanks!
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    Quote Originally Posted by motor head View Post
    But were they 3 circuit or 2 Jim?
    They are the Holley 9375-1, which is a three circuit 1050.
    I ran them originally N/A on a tunnel ram before switching over to using a blower.
    I didn't seem to need to dial them in very much when it was N/A, when they were put on the blower,
    they did need some adjustments. When I went E85, the main body stayed the same, but everything else was changed.

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    Pro Systems uses only 3-Circuit with power valves. Power Valves really are meant more for leaning the midrange than richening the top end if you think about it.

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