Not Ranked
Instead of blaming one manufacturer or the other it would make more sense to install a wideband O2 meter to see what the problem actually is. Making changes to the carb and not knowing if it's too rich, too lean or not a carb related issue at all leaves a lot of guesswork.
However sometimes the Edelbrock carbs cause unsolvable problems due to the non- adjustable "flapper valve".
Simon
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