Don, Mike actually said exactly that in his lengthy post above. I have no argument with how Mike presents material, and he does an excellent job with the videos, and they're a great resource.
This discussion grew out of an upgrade question and the question of exactly what you get out of the R2LC smoke output for various settings. While sometimes, maybe even most of the time, you can speak in generalities, sometimes you need to get specific as to what is really happening. It's always good to truly understand what is going on if you're making modifications to equipment. 
