Carburetor cfm calculator

Well, for less than 500.00 into a 318 2bbl, including timing chain and freeze plugs, using 2.76 gears and stock converter, it's goal was to run with a factory stock '73 340 auto with 3.21's in a Duster, and it did it. :)

Was there any noticeable throttle response loss from one to two 4 bbl's ??
I'm guessing not really