"A friend helped convince me that putting a holley street avenger (4bbl 670 cfm double pumper)..."

A: A Holley Street Avenger is a vacuum secondary carburetor. Not a "double pumper"
B: Change " A friend" to "an X-friend"

The carb isn't bad (relatively speaking). The intake is your problem. Easy fix. Change it. I may have an E'brock Performer intake manifold if you're interested(cheap). Send me a PM.