Eddy vs Holley CFM ratings?
So what you are saying is the bigger the carb the more HP it will make?
Another way to answer your question is YES to a point but it's really the opposite.
The more hp you make the larger the carb you need. Lot of people seem equate engine size with carb choice but it's really hp level.
Plus others like engine size, weight, gearing etc.. and application. But hp is the biggest factor.
Take a 300 hp engine no matter what cid flow about the same air.
Cid@rpm = cfm
225@7200 = 470
318@5100 = 470
360@4500 = 470
440@3700 = 470
So you could go 650 for each but depending on application like street or race car, weight, gearing, stall, cid, carb type etc... might step up 750 or down to 550 or somewhere in between.