Carburetor cfm calculator

Unfortunately, some of the anecdotes [ went 2/10ths quicker with a bigger carb ] are misleading people into thinking that more cfm must be better. Using that logic, a tunnel ram with twin carbs has got to beat a single 4 bbl every time....which it doesn't it.
None of the examples given in this thread of 'bigger is better' have been conducted in a controlled test environment. Other factors to consider other than just the cfm rating.