Cylinder Head Porting and Power Production

Ah, the bigger carb. Nick's garage [ Canada ] you tube. Ran a 454 CHEV, mild rebuild, made over 500hp with 750 Holley. RPM was over 6000. Airflow indicated 770 cfm, soooo Nick installed a 950 Holley. Engine lost 10 hp at peak & 10ft/lbs everywhere.