Hey look what I found. I previously said that my supercharger did not have a throttle bypass vavle for when not on boost. It turns out that the clutch works as this. ie, when the clutch is not engaged, the air is just coming though. I was doing this, just didnt know this was the answer.
Here is the quote.
"One disadvantage of this internal compression ratio is higher parasitic losses during off-boost operation. A Roots blower can be bypassed with a simple butterfly valve at part throttle and the only drag will be the mecahnical movement of its gears and lobes (which accounts for only about 0.3 hp according to Eaton). A Lysholm compressor, on the other hand, will continue to compress air as long as it is being turned, even if a bypass valve allows that air to be recirculated. The only way to eliminate a Lysholm compressor's parasitic drag at cruise is to let it stop turning via a clutch. (Ironically, the Eaton Roots blower used by Mercedes-Benz uses a clutch instead of a bypass valve, despite this being the more complicated solution. Mercedes does things its own way.)"