
Connect the wastegate actuator to the outlet of our boost controller with supplied vacuum line. The outlet side of our boost controller is the side with the adjuster rings on it. Tighten hose ends with zip ties. View Fig. A below to ensure you have installed the vacuum lines correctly.
What is the grimmspeed manual boost controller?
The first boost controller of its kind, The GrimmSpeed Manual Boost Controller uses Exact Control Technology, with over 250 adjustment points that lock into place via heavy duty stainless dual-ball detent system.
What does the grimmspeed MBC do?
The GrimmSpeed MBC allows you to raise OEM boost levels in a quick and efficient manner through superior boost range and ultra-fine resolution (.25 PSI/click). Adding the MBC to your car will result in quicker spool up, quicker response and rock-solid boost control. Laser Etched Scale and Labels - Aasy to read and repeat precise adjustments
How do you install the boost control solenoid on a WRX?
Installation for 2008+ WRX and 2005+ Legacy GT: For Legacy GTs, remove plastic engine cover. Remove factory boost control solenoid using a 10mm wrench. It is located on the passenger side of the intake manifold. Unplug the electrical connector and vacuum lines. Install GrimmSpeed bracket and solenoid while reusing the factory bolt.
How do you install the boost solenoid on an Evo 8?
Installation for EVO 8 and 9: Remove factory airbox. Locate boost control solenoid on driver side frame rail. Unbolt factory solenoid. Unplug the electrical connector and vacuum lines. Install GrimmSpeed bracket and solenoid while reusing the factory bolt.

Do you need a tune after installing a boost controller?
A: Yes you will need to get an updated tune if you switch to this boost solenoid.
What does a GrimmSpeed boost solenoid do?
Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control, providing your tuner with the hardware he needs to safely tune your car with rock solid boost levels.
How does the GrimmSpeed boost controller work?
Raising your boost level may destroy your engine if you raise it too high without proper tuning. Our boost controller works by interrupting the pressure seen by the wastegate. If you were running no boost controller and your turbo was outputting 15psi then your wastegate would also be seeing 15psi.
How do I wire a 3 port boost controller?
0:345:40MAC 3 Port Boost Solenoid Hondata Install - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it's going to be connected into the port 1. And then from port 2 is gonna go to the top of theMoreAnd it's going to be connected into the port 1. And then from port 2 is gonna go to the top of the waste key and that's what it's actually gonna control the amount of boost.
How do you wire a boost control solenoid?
5:4813:56How to install an Electronic Boost Control Solenoid - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe second port which is on your left hand side over here is going to be the line to your waste gateMoreThe second port which is on your left hand side over here is going to be the line to your waste gate. And the third port over here that is going to be your boost. Source or your reference source.
Do you need a tune for EBCS?
Registered. Turbineguy said: A retune will be required to run the EBCS. It works in a little different way to the stock two port solenoid and requires the wastegate duty cycle table to be changed to compensate.
Where do I mount my boost controller?
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.
Does a boost controller increase power?
A GFB boost controller will give you the added benefit of not only being able to adjust the peak boost level, but in most cases will bring the boost on earlier, resulting in more power throughout the rev range. To get the most out of the extra boost it is best to ensure that the engine can breathe properly.
Where does the boost controller go?
1:165:18Boost Control Explained [GO FAST BRETT] - YouTubeYouTubeStart of suggested clipEnd of suggested clipInside under the cap there is a spring. And inside that or underneath that there is a diaphragm.MoreInside under the cap there is a spring. And inside that or underneath that there is a diaphragm.
How do I connect an external wastegate to a boost controller?
12:5222:51ALL BOOST CONTROL setups EXPLAINED - Boost School #3YouTubeStart of suggested clipEnd of suggested clipIt's just going to open the wastegate as soon as boost pressure gets high enough but wait boostMoreIt's just going to open the wastegate as soon as boost pressure gets high enough but wait boost pressure is also going to the solenoid. And from there to the top of the spring.
What does the top port on a wastegate do?
- When pressure is applied to the “top” port of a wastegate, i.e. above the wastegate diaphragm, its acts with the wastegate spring and helps to close the wastegate valve. - The Inlet is connected to the exhaust manifold before the turbine housing of your turbocharger.
Does boost solenoid need a relay?
The Holley Boost solenoids don't require a relay.
How does the Grimmspeed boost controller work?
Don't trust the life of your engine to trial and error, instead, pinpoint your boost setting using the adjustment scale running the length of the controller. CNC machined from 6061 Aluminum, anodized and laser etched, our MBC is designed to outlast your car. The GrimmSpeed Manual Boost Controller redefines precision control and will deliver the results that you demand.
What is a GrimmSpeed MBC?
The GrimmSpeed MBC allows you to raise OEM boost levels in a quick and efficient manner through superior boost range and ultra-fine resolution (. 25 PSI/click). Adding the MBC to your car will result in quicker spool up, quicker response and rock-solid boost control.
