Haha, wow, you must have this guys newsletters down to memory. Guess I better go through the archives and read of of them, eh? Too bad about the system though.
I don't really have them memorized so much. I've read through most of them before and he has an alphbetical listing of topics at the beginning of the newsletter page for when I forget where something is.:-)
Horsepower is how hard you hit the wall, torque is how much of the wall you take with you.
I think these type of things won't work on a well tuned car with good fuel. They might improve mileage if you are using ethanol blended gas or winter gas. The Firestorm plugs claim to increase combustion and therefore reduce emissions sufficiently to eliminate the smog pump, catalytic converter and exhaust gas recirculation system. Maybe the removal of those items is how they achieve improved mileage.