so, in other words, develope your own and find out for yourself. there is a couple of ways you can offset where the boost comes up in a Centrifugal, that you can't do with a turbo. get the initial gearing internal to the charger so that it reaches its optimum RPM sooner. then you can play with external pully sizes to vary that. don't let Wolfpri discourage you. do a roots type if you want. roots are more liear in thier boost and more predictable and drivable.that is the real reason that they are popular. however, if you drag race then Centrifugal is the way to go, since you will have the engine screaming the whole run anyways. see what you can do though, but i would invest in a couple of books first.
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