Well, well, well. If one says a stupid thing fifty million times, it is still a stupid thing. paraphrased from Anatole France.
If one looks at the CHT and ICP curves and valve temp, one would see a nice correlation. The EGT is a red herring. The NACA report does not show all of the issues. These issues have been clarified quite nicely by Lycoming in 1966 and in the Carl Goulet Memorial Engine Test Facility. The physics are everywhere the same.
The EI explanation has been proven wrong by multiple sources. Several other of EI's statements have been such.
"There are none so blind as those who will not see." It gets to be a waste of time to try to educate those folks. I only continue to respond to these acts of rubbish for those who are lurking and wanting to learn.
Now, back to your regularly scheduled programming.