Originally Posted by tannji

How much of the temperature drop do you think is due to "conversion to mechanical energy" as opposed to the pressure drop on the open side of the turbo? The reason I ask, is that that is an awful big difference in temps, and if the STS system is putting out any appreciable percentage of the HP a conventional turbo system is, that would seem to indicate that while the conventional turbo is indeed slightly more efficient due to scavenging heat energy, the drop in temp doesnt have that big of an affect, assuming the appropriate hardware is used. I would think that BOTH systems see a huge drop in temps in the same 6 inches, as long as the turbo is in the middle of that 6 inches. Just curious.... (and I echo the sentiment that this thread has less flameage than is the norm....) Also, any comparisons of exhaust temps been done between the two sytems, after the turbo?