Static and Dynamic Displacement and HP

273 said
Static and Dynamic Displacement


Now these terms are my way of looking at engine displacements and borrowed the static and dynamic idea from CR.


Static displacement is the measured displacement of your engine like 225 340 440 etc…


Dynamic is what your engine can displace “Cfm” at rpm. That carb formula is calculating dynamic displacement at 100% VE. Displacement x rpm / 3456 = CFM, there’s obviously limits of more rpm but it’s pretty variable and most aren’t gonna reach them.


General census on this site is added static displacement adds hp over lesser displacement.


My question is if above true why would static displacement have an advantage over dynamic displacement? What’s stopping the smaller engine from using more rpm to reach similar dynamic displacement of the larger static displacement engine to reach similar hp ?
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Clearly over thinking this and there is no mention of the cam to be used which has a great effect on dynamic pressures.

This is not a static vs dynamic issue but what can be done with each side of the coin for your engine for your build in what your doing in what vehicle for what purpose under what weight of the vehicle and the concerns of the build.

Your question in this thread is 10 X’s the open ended question of your last thread.