carb size for 512 stroker?

With as little details as you've provided, you may as well have asked "How do I make my car faster, it's blue?"

400 low deck block. 512 stroker kit from 440 source. 9.5:1 compression. Hydraulic Roller cam somewhere around .630 lift. Will post duration when I find the cam card. Holly 750 with edelbrock air gap intake. Heads are the stealth heads from 440 source. MSD everything. tti 2" headers. timing set at 15 initial 35 all in by 2500. 3.55 hears soon to be swapped for 4.10s. 3500 stall. Engine is painted light blue.