Interesting read - for the lazy, this guy is a retired bike racer and basically modifies cylinder heads to improve air/fuel mixing. He claims it makes the engine running cooler, producing more power and better gas milage (up tp 20%). Somebody really ought to send him a spare head to try it!
What you want are swirling eddies of air and fuel mix, each variegated into smaller sub-eddies, and so on, down to individual molecules. Imagine it as a cascading Mandelbrot set of air and fuel inside the chamber. Then there