Sorry for Zombiefying this slightly old thread.

@IMYF Did you find a solution to mounting the supercharger pulley onto the Fluidampr? Just got the NB back with a Rotrex setup. Before the Rotrex setup was approved by SWMBO, I'd purchased a Fluidampr which I of course would still like to use. I just can't seem to find a pulley that'll fit.

The Rotrex setup is nothing special - but it's inspected and approved here in Denmark, so it's in the papers and the car is still 100% street legal!