Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor

Power piston spring. Fully open at idle, dies if pushed closed.

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von:
Sounds like you're actually pushing down on the float instead of the power piston if fuel bubbles up out of the vent. It's an easy mistake to make. BTDT. To get on the power piston IIRC you have to angle the straw a little toward the front (inside). Top of straw toward the rear.

Cliff Ruggles:
Correct, the engine is being flooded, and 15" vacuum would easily have the PP down with any spring from our kit.....Cliff

4evrnyt:

--- Quote from: von on June 28, 2016, 02:47:05 AM ---Sounds like you're actually pushing down on the float instead of the power piston if fuel bubbles up out of the vent. It's an easy mistake to make. BTDT. To get on the power piston IIRC you have to angle the straw a little toward the front (inside). Top of straw toward the rear.

--- End quote ---

I figured it was something stupid I was doing.  I'll angle the straw more next time.  Appreciate the help.

4evrnyt:

--- Quote from: Cliff Ruggles on June 28, 2016, 03:38:07 AM ---Correct, the engine is being flooded, and 15" vacuum would easily have the PP down with any spring from our kit.....Cliff

--- End quote ---

Ok, thanks.

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