Quote:
Originally Posted by SS_Firehawk
With turbo's, there will always be lag when coming on the throttle. Superchargers will have no delay coming on to the throttle, but when the turbo's kick in, there is no comparison to power under the curve. If I were you, I would start looking for dyno's showing when boost starts ramping up and what you find acceptable.
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This isn't exactly true. It is highly dependent on setup. Put a couple small quick spooling turbos on a z34 and tune for low end and suspect you would find a car with very little lag but perhaps more limited top end from bigger turbos. Certainly less lag than say a centrifical supercharger running 8psi pulley. Now put a higher psi pulley on your car or put a roots type supercharger on and supercharger may have an advantage to two small turbos.