Originally posted by chknhwk:
. Some engines respond really well to positive displacement blowers and some like centrifugal blowers.
This is a very weird statemnt. I don't think engines really respond differently to boost because of how it was made; 5psi out of a turbo is 5psi out of an S/C if they are both at the same temp and flow.
What makes the difference in either f/i device is that s/c's are more linear that t/c's and also each one can produce varying output temps.
At the end of the day, which either method produces the coolest charge will make the best power (if you assume identical intercoolers on both setups).
But with a well designed t/c system you can get max boost quicker than with an s/c which will give you ,ore tq under the curve which will make the car faster.
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