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Holley 1920 Vent Valve problem
https://slantsix.org/forum/viewtopic.php?t=35690
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Author:  demonguy71 [ Thu Jun 04, 2009 5:16 pm ]
Post subject:  Holley 1920 Vent Valve problem

Is there supposed to be a spring under the mechanical vent valve on the holley 1920 carb? My Vent valve is always down and I had pulled the cover off & did not see a spring. If the rod is supposed to push that valve down, how can it do that when the valve is never up?

Author:  HardCharger [ Thu Jun 04, 2009 5:39 pm ]
Post subject: 

I don't know what it looks like inside (spring or?) but it should pop up and be within I think .015 of the bottom of the spring loaded rod that goes under the choke pulloff.

Author:  Aggressive Ted [ Thu Jun 04, 2009 7:03 pm ]
Post subject: 

Yes,

Mine has one under the vent. Is has about 3 or 4 turns.

Author:  SlantSixDan [ Thu Jun 04, 2009 11:06 pm ]
Post subject: 

What year carb are you working on?

Author:  DynoDave [ Fri Jun 12, 2009 6:27 pm ]
Post subject: 

Any updates on this?

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