Here are some circuit images:
First thing to check with Edelbrock carburetors is that it's "low speed jet" (idle feed restriction in Holley-speak) sizes (the hole size in the end of it's brass tubes) are the same side to side (they are sometimes not, a screw up)... and then brass setscrews can be drilled/tapped for to install in the "Idle Bleed"/"2nd Idle Air Bleed" holes in the boosters' castings, and then sized accordingly to make a world of difference in being calibrated best for YOUR combination.
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