I never saw any of Eric's videos until this morning. Interesting results on the 906 CNC 2.14//1.81, the 902 hand ported 2.25/1.81, the hand ported 452 (with 2.055/1.60 valves?), must have left Chevy valves on the parts list 'cause the 452 valves should be 2.08/1.74 stock.
On a 8.9:1 440 with...