Still haven't figured out the idle issue...

Primary jets? Cam.man still has not told us what he is running. Stock /6 with a 4-barrel? probably not. How does the engine run at low throttle? Primary jets are involved with low rpm operation and if you are leaning out and stalling you may not be delivering enough fuel. If the motor picks up when you add more pedal that is because the secondaries are assisting. A pair of larger primaries may be the easy and cost effective solution. I think .51 was standard I wound up at .60 before getting decent initial throttle/engine response

Also to quote nm9stheham double check the floats in the bowls!!