Mac 4 Port Boost Solenoid Diagram. At this point the solenoid is off and redirecting pressure to the wastegate making it open and in turn controlling boost to 10psinow the solenoid is turned on bleeding pressure from the system. A solenoid operated 3 port spool valve is commonly.
Because a 4 port boost control solenoid is able to apply boost pressure to the top port only of. If your vehicle is fitted with a factory boost control solenoid the hoses that run from the solenoid to the pressure source and to the wastegate. Leave it vented to the atmosphere.
Features 18 npt female ports anti vibration mount flying lead 2 wire loom unterminated.
Full race 4 port mac boost control solenoid. Mac 4 port solenoid for boost control. Then use boost pressure to force it closed to prevent opening from emap. Mac 35a aaa ddba 1ba boost control 35a 12v dc 18 in npt solenoid valve b238300.