i have not played with the jrsc but with nitrous you should put the nozzle 6 inches from the throttle body, i don't think it would have an affect on the sc blades, i could be wrong with that since i have an ati and have not ran nitrous through the supercharger.
i do know that a lot of turbo people with run nitrous through the turbo to cool it down and for the power
i do know that a lot of turbo people with run nitrous through the turbo to cool it down and for the power