[Stan Weiss]

Originally Posted by i82much

how does a smaller engine running at a higher RPM react differently to plenum size than a bigger engine at a lower RPM?

If we have two 600 HP engines, say a 455 peaking at 6000 RPM and a 535 peaking at 5400 RPM, does the 535 see a benefit going to a bigger plenum that the 455 does not see? And if so, why?

I am not answering your question, just looking at your question a little differently. At 100% VE a 535 @ 5400 RPM will want the same mass air flow as the 455 @ 6349 RPM. Now they will only produce the same HP if they can both produce the same BSAC numbers

Stan