any car can make more RPM, the one you want is the on that makes more torque and Hp to the wheel with lest amount of RPM
example... JH block with stock 9a tranny in 5th @ 4000 RPM = 82MPH
sam car with 5th gear changed on the tranny = 109MPH.
power is one thing but you need to think drive train and that included mods to the tranny to apply the force of the engine to the wheels.
The reason i ask this has to do with, converting a tubo into a supercharger and if a supercharger can take more rpm's dan a turbo it wouldnt work.
I think a turbo can take care more rpm's but i have to know for sure.
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