Sometimes, things are so obvious, they have to be the problem... right?
No.
The internal combustion engine is a beautifully complex thing. Something as simple as a port size is not "simple" due to the dynamic nature of camshaft, exhaust, compression ratio and intake manifold. Then there is the intended rpm range it is designed to operate in.
This video is a more in-depth theoretical look at piston driven induction and what is needed to maximize the energy transfer from pumping loss to air speed.
Негізгі бет Theoretical look at why the 4V Cleveland got its port size.
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