Time for a New carb

I modeled my 318 build-up from the "Dirt Cheap" story in Engine Masters. I'm running the same parts except for Eagle I-beams.340 Eagle crank and I went with Indy Edelbrock heads with a stge2 port job. A727 transgo #2 with 8 3/4
3.55:1 rear. The cam is the same as in the article, Comp Cam 525 lift/ 231deg. @.050. The car is mainly for street. Any suggestions for CFM rating?:read2: