Unlock Supercharger Performance with Bypass Valve Normally Open

The vacuum service solenoid is usually supplied with constant voltage, and the PCM outputs a ground signal when the valve needs to be opened to relieve boost ... ... opening the bypass valve in the blower. If you ... supercharger, by grounding out the control wire that would normally open the soleniod. Single port bypass valves should be connected to the vacuum side of the supercharger (inlet side) for best results. The opening vacuum level is determined ... Most of the cheaper BOV use a piston in a bore and they leak boost also. The Bypass opens with 1.5 inHg, So it is normally open unless intake ... Since the bypass valve eliminates most of the work of compressing air, the supercharger's parasitic losses are also reduced under normal non ... So we added a stronger spring to overcome the vacuum condition that it sees so that it will not open as soon or as much. Our BPV closes at 6" of vacuum, as ... Your vehicle's turbocharger bypass valve is usually controlled by the PCM. The bypass valve stops excess pressure from building up when the ... New open box This Supercharger Bypass Solenoid Standard SB1 (F) is an essential component for any vehicle's air and fuel delivery system. The only question is now: What value do i set the bypass valve to? The valve has to be opened more at low rps and/or throttle than at high rps ... ... valve - The purpose for the bypass is really none of the above. Its to equalize pressure above and below the supercharger. Superchargers ...