500hp & 600hp Bench Racing thread

Here’s a very simple explanation of why cubes work.......but you’ll have to connect the dots.

If I tell you a head flows 300cfm....... is that enough information to be useful?


Nope. You have to have the bore and stroke to determine at what RPM that 300 CFM will be used.

300 CFM on a 440 is going to be a low RPM a slug unless you run a bunch of duration to crutch the small cross section.

300 CFM on 340 inches will make roughly the same power, it will just do it at a higher RPM.