Carb tuning, larger accelerator pump nozzle?

Sounds like your back on track to start tuning.
I forgot if you've mentioned the AFR unit. The Innovate stuff responds pretty quick. Examples here of cudafever, Hysteric's, and my 1/4 mile passes.
Proform 850 dialing it in closer
Proform 850 dialing it in closer
Proform 850 dialing it in closer (That stepwise change was probably the vac secondary spring but I haven't had a chance to verify)

The really good guys get the idle and off idle tuned in first. I'm not that good. I get it idling decent, then try to get a quarter mile pass or dyno pull to get the main jets and main air bleeds close. Then primary main jet for highway. Repeat as needed. Pump shot last (when possible).
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For idle I want the least drop in rpm and vacuum shifting into gear.
For off-idle, no hesitation when very slowly accelerating from stop.
For wide open throttle I'm looking for MAB and e-bleeds that give a flat AFR in 3rd at WOT, as well as best over all power. Then adjust main jet for best power (mph in the 1/4 mile). Sometimes this takes a couple iterations.
For highway a jet size or two richer than when it lean surges at 60 or 65 mph steady driving.
If needed then change power valve restriction and retest at WOT.

Desired Carburetor AFR Characteristics At Different % Load