'Pop's Engine' another 440 on the dyno.

IQ52 said
With the 850 cfm carburetor it was drawing 622 cfm at peak HP

Ok so a 750 would be a better choice for that engine, be crisper down low and still be enough on the top end. I am runing a AED 750 HOM carb. My 426 Wedge used 628 cfm.