Flow numbers and max HP potential

Let’s keep in mind this thread is about potential HP vs head flow.

I’m trying to take the dyno out of the equation.

Two calculators are showing 940+hp to get a 2750lb car to go 8.33@165mph.

So, if the motor has to make at least 940hp to get the car to run those numbers....... how much do the heads have to flow to make that much power?

Off the top of my head, I can think of 3 different builds where the flow x .26 x 8 formula was off by 100+hp.

And...... those were combos that had room for improvement...... without improving the flow from the heads.

Maybe...... pick your favorite hp vs cfm formula and let’s see what it takes.

One of the Wallace calculators seems to work out to 2.055hp/cfm for an 8 cylinder “typical race” motor.
As such...... it’s saying 457cfm@28” to make 940hp.

The flow x .26 x 8 works out to: flow x 2.08...... for a V8, so the Wallace calculator is showing slightly less hp/cfm than this formula.