Yes, absolutely.... no fuel out of the venturis at idle. (They're 'auxiliary venturis' actually). It all should be a 'mist' out of the idle port and out of the transition port/slot at fast idle.... pretty much invisible.
Stuck float? Power/metering piston stuck in the up position or the vacuum source to the metering pistons plugged?
Here is a good idle circuit diagram that I think applies here:
2bbl Carter won't idle - Slant Six Forum
You're getting past my BBD knowledge now!