Which makes a lot of sense.... the combustion process goes no faster at 6k rpm versus 3k, but the piston moves away from TDC a lot faster at 6k, and so the peak pressures have no chance to build as high when you get the rev's up. So less chance for detonation from that particular factor.... which jives with common observations.
I'm gradually learning that you have to look at things differently in the 3k and lower RPM range versus the higher RPM ranges. Things like this, and intake breathing and cylinder filling mechanisms, change a LOT from low to high RPM ranges, and your thinking needs to change if you emphasize one vs the other. The broad RPM range engines that I like have to be a compromise of factors.
Reading a lot of sources of info, both gearhead and research papers, and hearing the ideas of others here, have been invaluable to me getting a better grip on this stuff. I really appreciate the ideas expressed, even if they challenge my thinking.
