"adjustable main jets for a 94 carburetor"(
more sources-of and references-to the adjustable main jets)
All I know is that my engine starts easily, runs smoothly, accelerates nicely, and gets good gas mileage - all are better compared to the original 1960 Rochester. If I am trying to impress someone, the gas mileage suffers.
If I can get my act together, I'll try to attend "Homecoming" next year,
Nonetheless, as always, thanks for the comments, explanations, and suggestions.