The barb on the boost controller that connects to the wastegate actuator will have a small hole drilled into it. If you have the T fitting, remove the line that runs to the solenoid, but leave the solenoid plugged in. 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. This vacuum line is where the manual boost controller will be installed. The boost source is usually either the turbo's compressor housing, the intercooler pipes, or the intake manifold. The wastegate actuator will have a vacuum line port that runs to a boost source. The boost controller interrupts the pressure line that runs into the wastegate actuator, allowing you to increase boost over stock levels.įind your wastegate actuator which is usually attached to the turbo, unless you are using an external wastegate. The wastegate actuator determines your stock boost levels. Without an aftermarket boost gauge you risk damage to the engine from overboosting. Most stock boost gauges are not accurate, even at stock boost levels, and lose further accuracy once stock boost is increased. It is imperative to have installed an aftermarket boost gauge. ![]() This will ensure the car is able to breath, and will allow the turbo to spool easier. Prior to installing any manual boost controller, it is important to have already added a high flowing exhaust and an aftermarket air intake/ air filter.
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