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Ralph A Powell · 06-10-2019, 06:40 PM

If you remove the power valve and use the the Holley power valve plug some have excess casting flash on the head look at it some are worse than others. Bolt the carb together install both new gaskets and 4 bowl screw gaskets torque bowl screws to 35 in lbs. Then take it apart look for pv plug contact in the cavity the plug head goes in on the main body it can keep the metering block from totally sealing to the main body. I have seen that a lot.

06-10-2019, 06:40 PM	#24
Ralph A Powell Member Join Date: Oct 2017 Location: Bay City Texas Posts: 388 Likes: 2 Liked 225 Times in 136 Posts	Re: Fuel in intake If you remove the power valve and use the the Holley power valve plug some have excess casting flash on the head look at it some are worse than others. Bolt the carb together install both new gaskets and 4 bowl screw gaskets torque bowl screws to 35 in lbs. Then take it apart look for pv plug contact in the cavity the plug head goes in on the main body it can keep the metering block from totally sealing to the main body. I have seen that a lot.