Boost referencing and powe valves
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Boost referencing and powe valves

  1. #1
    21' Daytona DaytonaTunnel's Avatar
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    Default Boost referencing and power valves

    For those of you with boost referenced carbs, what size power valve are you running ?
    Last edited by DaytonaTunnel; 08-05-2008 at 01:33 PM.

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  3. #2
    21' Daytona DaytonaTunnel's Avatar
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    Anyone running power valves ?

  4. #3
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    DaytonaTunnel I am running 5.5 for power valves in my 950 holleys. The motor is a 572 bbf with 8-71. It is still pulling vacume at 4500rpms when just cruzin. Sweet boat by the way.

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  6. #4
    EXPERI-MENTAL carlsonauto's Avatar
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    Quote Originally Posted by DaytonaTunnel View Post
    Anyone running power valves ?

    I am running a brpv in my primary side and not in the secondary. I actually made mine out of a factory power valve and was kind of leary to try it but it actually works awesome. I thought i was going to have to screw with it a lot to make it work smooth throughout the rpm range but i was pleasantly surprised that it basically worked perfect with my guess on spring tension. It no longer leans out up top and never varies more than half a point on the wideband throughout. I am running a blow through setup and I can point you in the right direction if you are too, but..... if you have a roots type deal then I will be absolutely no help to you.

    jake

  7. #5
    21' Daytona DaytonaTunnel's Avatar
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    Thanks slow boat, and I am running a roots type supercharger.

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    Old post but I'm running the 4.5 in my dominators. 2 1050 dom's with a 10:71.

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