The Ultimate Performance Upgrade Supercharger Bypass Valve Normally Open

I don't have a SC RR, but from what I know about superchargers, that is not a normal sound. Sounds like it is bouncing open and closed instead ... My understanding is that under normal conditions, the bypass valve is opened when there's vacuum applied to the actuator. So when the throttle ... There are many things that can inhibit normal operation. Does carsoft show the actual values for your bypass valve and supercharger? It's pretty ... XK8 / XKR ( X100 ) - S/C Bypass Valve Actuator - ?Also if the supercharger bypass valve vacuum actuator is not working and stuck open you ... It's wierd because the vacuum under normal driving holds it open and closes by spring pressure under boost. ... valve open from the intake ... The whole purpose of these things is to be open under normal driving until you build boost otherwise there will be a lot of stress on the blower ... During idling or part throttle non boost operation, the bypass valve is held "open" by engine vacuum (10"-22"Hg). This allows the compressed air ... ... normally it is quite ... bypass valve and observe the butterfly opening and closing inside the supercharger itself. The open bypass valve reduces pumping loss thereby increasing fuel efficiency. The solenoid valve attached to the bypass actuator is an ... The bypass valve is supposed to be open at part throttle cruise for the exact purpose of letting intake air bypass the blower rotors when there ...