Grimmspeed Electronic Boost Controller Subaru User Manual download pdf

Grimmspeed

GrimmSpeed 3 Port Boost Control Solenoid

Installation Instructions

2002+ Subaru WRX/STi/LGT/FXT

***Image above is a generic photo, your EBCS may look different***

All GrimmSpeed products are intended for Off-Road use only.

Park your vehicle on a level surface. Fully engage the parking brake and put wheel stops on

the front and rear wheels to keep the vehicle from rolling.

Warning (read before installing):

Before moving forward with the setups outlined below, insure that you have the experience

and confidence to properly tune your car. If not, please consult a tuning professional.

Without a proper tune you can overboost and damage your engine.

Under no circumstances is the GrimmSpeed Solenoid to be used in any applications where

failure of the valve to operate as intended could jeopardize the safety of the operator or any

other person or property.

Note! You must tune for this hardware! Using stock or off-the-shelf EM with a 3-port solenoid

installed in interrupt mode will result in overboosting!

A. Purpose

The benefits of this upgrade are faster spool, ability to hold higher boost, and better control

over boost. A side benefit of the improved boost control is the ability to reach higher target

boost levels in the low (1st and 2nd) gears.

1 2 3 4 5

Grimmspeed 1

Summary of Contents

Page 1 - Grimmspeed

Grimmspeed 1 GrimmSpeed 3 Port Boost Control Solenoid Installation Instructions 2002+ Subaru WRX/STi/LGT/FXT ***Image above is a generic photo,

Page 2

Grimmspeed 2 B. Technical Background A BCS is a binary device – i.e. it is either on (energized), or off. In the context of the Subaru device, when t

Page 3

Grimmspeed 3 based system are thus eliminated, with the wastegate seeing literally no pressure when the solenoid is energized, to seeing all of the co

Page 4

Grimmspeed 4 Hook up vacuum lines. See Figure 2. Port 3 connects to a high-pressure boost source (there is a vacuum nipple on the turbo compressor

Page 5

Grimmspeed 5 Figure 3. Pneumatic schematic for the GrimmSpeed Boost Control Solenoid with EWG Please contact us if you have any question

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Grimmspeed Electronic Boost Controller Subaru User Manual

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