Rebuilt Thermoquad issue -- It has to be primed before start each time

purplehazenils said

I cant remember if it was a problem from the start or if it happened a few days after use ... Anyway, the car runs and drives fine but you have to prime the engine/carburetor before you start it each time. Sometimes it will start without priming but if it dies when you put it in gear you have to prime it to get it going again.

I noticed that the two nozzles in the primaries which squirt fuel when you pump the carb dont squirt fuel anymore so I assume this is the problem. But what should I be looking for when I disassemble again? A somehow jammed accelerator pump?

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Hang on guys, these are two different problems yet the source may be the same.

The car runs and drives fine say the pump circuit works once the bowls are full.
The second part is actually the problem; where is the gas draining to, at shut down. My guess is those little pans are not sealed, and the gas went into the intake, and you know where it goes from there. This also explains #3, it dies when you put it into gear.

I doubt you can seal those pans by globbing JB on the outside. Like previous poster BigBlockMopar said, " you have to crack them loose" and put the sealer where it needs to be. Then test them before you put it all back together. Actually since you have already applied the JB, take the bowl off and test it; Yes with gas, or alcohol.