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Chuck,
Looking back at your symptoms, I don't think it's fuel pressure. If the pump is supplying even 2 psi pressure and some volume, then that should be enough to supply fuel for idle. When you checked the pressure did you check volume as well?
I added a fuel pump cutoff switch to the circuit as an added security device. Sometimes I forget to switch it back ON and drive away with the pump OFF. I can drive for about a block or two before the float bowls empty and the engine sputters. That's with zero psi and zero volume from the fuel pump. The engine will idle for quite awhile with the pump OFF.
I'm going to suggest you look at the idle circuits again, a possible vacuum leak and float level. Are you sure the float level isn't so high? if so, fuel will spill out of the discharge tube? Have you connected a vacuum gauge to the engine?
Sherwood Lee
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