What is the best flowing cast gm intake? (No marine or cheated up ones)
I would guess one thats non egr (pre 75'), 2 or 4 bbl?
most around here use the bow-tie cast intake.
Runnng a 4412 500cfm
last 3 casting numbers are 250 its a 4 barrel q jet and has the cleanest castings and runners if you aren't allowed to even open up under the carb, I would run a 2 barrel intake, the large bore one, instead of a q jet intake
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