Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

F.A.S.T Car Falls Flat After Leaving The Line....

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Cliff Ruggles:
Steve, I tap the holes and install threaded plugs, no glue to come loose.  I use a tapered tap, and only thread the holes deep enough so that the threads jam in and hold the set-screws.  I also put red loc-tite on them.  You must vent the POE wells back to the main bowl if they were externally vented in the first place.

Jetting with or without metering rods?  You are already using jets way beyond what we have used here in the same carburetor number, so you may have to experiement at the track to find out exactly what it wants?

If the car sees mostly strip use, I would not use primary metering rods at all, and run it straight off the jets.  It will actually drive fine on the street once you determine the correct jet size.  At the track all metering changes are done with the secondary metering rods.  This is one of the nicest features of the q-jet, I can dial it in for any track or any weather in seconds without taking the carburetor apart.....Cliff

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