How to fit a manual boost controller

Disconnect original OEM electric boost controller sensor line. Take the extra line removed and connect it to either side of your new MBC. Connect the exit port of the MBC to the turbo inlet vac port. Connect the entrace to port of the MBC to the wastegate vac port.5/5(1).  · Now slowly do up the dial on the boost controller, I would say 1 turn at a time, and keep doing quick runs to keep an eye on the pressure. You should find a setting where you can start to feel the controller take over as your getting more and more boost. Once you are getting close to your limit, you may wish to go for 1/2 or even 1/4 turns. This vacuum line is where the manual boost controller will be installed. If there is a T fitting in the vacuum line between the boost source and the wastegate actuator, it will have a separate vacuum line that runs to the boost control solenoid. If you have the T fitting, remove the line that runs to the solenoid, but leave the solenoid plugged in.

In this video Trent from Boost Dynamic Tuning will demonstrate how to install a Manual Boost Controller on a Mk4 t This particular Mk4 driven by @IV7MK4FA. Remove the factory boost control solenoid if fitted from the boost pressure supply port while leaving the solenoid connected to the ECU. Install your boost controller in the wastegate pressure line with the wastegate arrow pointing towards the wastegate actuator. If your wastegate actuator has additional ports, these will need to be blocked. On this episode I install a cheap Amazon MBC (manual boost controller) and take it for a test drive to see how it works.

To set this boost controller to it's lowest setting, blow through the inlet of the boost controller and turn the adjustment screw until you can. External Wastegate Setup · Allow the engine to cool down before installing your boost controller. · Locate the bottom port on the external. The Manual Boost Controller (MBC) allows turbo boost on your engine to be raised to whatever PSI you want. Why pay more for similar boost controllers?