- Feb 16, 2016
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i have a 306 with flat top Pistons edelbrock proformer heads 2.02 1.60 valves screw in studs 1.72 rockers 170cc intake runner the heads have been lightly hand ported and a trick flow stage 1 cam I'm wondering what cfm carb and what intake to use I will also be using long tube headers with full non chamberd exhaust