Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor

Vacuum in Float Bowl

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Rhett:
I'll call today and order the stuff - do you drill the old ICRs out or drive them in over the old ones?

Thanks - RT

Cliff Ruggles:
They spin right out with a .113" drill bit.  If not, they can be pulled out carefully with a drywall screw.....Cliff

Rhett:
Took this carb apart today and found the issue the APT screw had wound all the way out of the threads and vacuum was coming through from the baseplate. Must somehow be tied into the same vacuum circuit as the power piston.

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