General Category > Quadrajet Carb Talk and Tips

pull off choke

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91Burban:
4 barrel quadrajet. I have 2 pull offs. I need help with where does the vacuum line connect to from the pull off. The short 2" one is easy, I know that one but what about the other pull off

Cliff Ruggles:
We would need the carburetor part number and application.  If it's stock someone may have a print of the vacuum hose routings if your factory decal is missing (usually is).....Cliff

91Burban:
oh yeah forgot the carb# 17085000 and is all stock motor(454) and carb

Cliff Ruggles:
The secondary pull-off is often vacuum sourced from the back of the baseplate beside the vacuum brake fitting.  If not you'll need to find someone who has a factory vacuum diagram routing to see where it comes from?.....Cliff

91Burban:
once again many thanks to you Cliff. I do have a single small port on the back

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