You should watch the engine masters camshaft episode, its got some good advice on cylinder heads, and also the boost episode....
I've watched all of those a couple times, what did I miss? (pertinent points)
I was very surprised by the "fan" episode.
Never installing my viscous unit again, want to buy it? LOL
Just watched the one with 5/64 or 1.2mm thin piston rings on youtube.
Steve Bruhle' (sp) picked the power increase to the HP and had never done the test before. Hmmmmm