pv on a blower motor
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pv on a blower motor

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    B.A.M aka "Black Azz Mike 396_Ways_To_Spit's Avatar
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    Default pv on a blower motor

    I am going to dump the pv on my 800 holley. The motor is a 454 mag ho with a weiand 177 blower(5.5psi). I have heard that you pull the pv, you must go up in jets. If I do so, how many jet sizes do I go up? Do you have to run the PV on a blower motor? I am new to blowers. I usually play with compression motors.Any info is greatly appreciated

    Spitter
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    Quote Originally Posted by 396_Ways_To_Spit View Post
    I am going to dump the pv on my 800 holley. The motor is a 454 mag ho with a weiand 177 blower(5.5psi). I have heard that you pull the pv, you must go up in jets. If I do so, how many jet sizes do I go up? Do you have to run the PV on a blower motor? I am new to blowers. I usually play with compression motors.Any info is greatly appreciated

    Spitter
    10. I tried it and didn't like it so I went back. It was just too rich for me at idle on a boat I used for family fun as well as race. Let me know what happens with yours.

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    Mesa AZ hallettss's Avatar
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    I have power valves on the primary and none on the secondary . I was tols they did it for a rich idle problem. might be the way to go and my jets ar 6 up on the secondary side.

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    B.A.M aka "Black Azz Mike 396_Ways_To_Spit's Avatar
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    Im going 89 squared up. My machinsit/motor builder told me to run like this. Ill try it and post results within 2 weeks
    G H E T T O F O E L I F E
    Quote Originally Posted by cave View Post
    They bout shit themselves when yelled in Messican, "No brakes no brakes."
    I showed them all the sticker on the side that reads "Driver Ricky Bobby" They just looked at me and nodded yes yes
    Quote Originally Posted by Kyle View Post
    Some peeps just build it 1 part, 1 week, 1 paycheck at a time

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    Cantard 71hallett's Avatar
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    Quote Originally Posted by 396_Ways_To_Spit View Post
    Im going 89 squared up. My machinsit/motor builder told me to run like this. Ill try it and post results within 2 weeks
    Would love to hear your feed back.
    Quote Originally Posted by gn7 View Post
    It would be a balmy 85* in Steel's shop if he would move a little faster

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    Senior Member ol guy's Avatar
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    I have never ran power valves in ANY blown motor Iv'e built and the reason being that when the hair dryer gets twisting the vac readings go to left field. I have stated this before and the posts floating around will tell you, They always go fat and that is because everybody steps the jets up way to high. (well almost everybody). IMO shiat can the pv"s and sep up 2 jet sizes and tune from that point. M

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    Senior Member ol guy's Avatar
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    On a side note the list 4780 holley factory set-up should be 78 primary and 80 on the secondary with a 6.5 power valve front and rear. go 80 on pri and 82 on secondary, go play hard and read the plugs. Or just fire ine the shop and see if the exhaust fumes will bring tears to a glass eye. If not go play and call me in the morning. M

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