TSS Turbo 2014 XM

maxwell

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a 3 port mac valve for boost control wants to see vacuum so it likely came off the intake between the throttle bodies and the reeds.

one throttle body vac port goes to the fuel controller, other to the Blowoff valve. and then a fitting should be tapped into the aluminum airbox to read the boost pressure on your guage.

my setup is manual boost control so i only have the 2 lines. one to the pressure housing and one to the waste gate.

ive got an EBC kit in my shop in valemount i will take a peak this weekend
 
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