300 Cfm heads Horsepower

IIRC my Edelbrocks flowed 294 with a 2.02" valve, when I had them freshened Ryan installed a 2.055" intake valve. On my old 408, 10.9-1 compression they ran 6.57 in the 1/8 at 3260# on pump 93. It should've been in the mid 10s pretty easy.