Whats the difference ? 4150 question !

Hey guys , I have a 10.5 1 440, ootb edy rpm heads xe 284 cam new brawler 750 dbl pumper, runs great, very good response but I just kept thinking maybe I needed more carb? So I bought a new brawler 950 race carb , haven't installed it yet what can I expect ootb results?