Originally posted by inspyral
Everything I said still applies. ITR cams have too much overlap, which allows a certain amount of boost to blow right thru the combustion chamber while both the intake and exhaust valves are open.
Actually, ITR cams wouldn't be too bad with a turbo [a few extra CFM hitting the turbine doesn't hurt too much], but the high overlap would downright piss away the boost of a supercharger.