Edelbrock Experts I need your thoughts

Between these two sites you cannot go wrong.
Hesitation or Bog? - JGronoJ

all the specs here, the calibration charts work great.
http://www.edelbrock.com/automotive/misc/tech-center/dl/carb-owners-manual.pdf

This site has reasonable parts for ALL carbs, very happy with them.
Carter 4 AFB Parts Page