If you really want to supercharge you roadster get a blower from the tube
systems they use at drive up banks, they are pulley driven and put out a huge
volume of air.
I got one years ago intending to install it on a car, but have not taken the
time to do so. It will push at least 5 PSI, and I have been told higher if
you spin it really fast...7000 rpm. they have turbines in them much like a
vaccum cleaner motor, but are constructed of cast aluminum and machined
turbine. Let me know if anyone succeeds on this one!
Larry
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