Holley 3 port carb regulator, does screwing in up pressure or down it?
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Junior Member
Joined: Jun 2000
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From: Bakersfield,CA
Holley 3 port carb regulator, does screwing in up pressure or down it?
I dont have a gauge and i need to turn the fuel pressure up on the holley adjustable regulator. Do i screw in the nut to raise it or screw it out?
Supreme Member
Joined: Jul 1999
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From: Homestead, Fla
in raises it, out lowers it.
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JSP Motorsports
ICON Motorsports
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"American made baby. 100% American iron. The muscle among the masses. My hero. Yep, you can take your ergonomically designed, space age, computer controlled, 4 door, cup holding map lighted split double wishbone split fold down retractable cargo covered moon roof piece of transportation and keep it. For I have felt the thunder. And I know the difference!"
JSP Motorsports
ICON Motorsports
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Joined: Jan 2001
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From: Belleville, IL USA
screwing in lowers the pressure at the carb on a dead-head style regulator.
most Holley deadhead regulators are 3-port.
on a return style regulator it would be opposite... so tightening would raise the pressure.
ODB
most Holley deadhead regulators are 3-port.
on a return style regulator it would be opposite... so tightening would raise the pressure.
ODB
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