Grimmspeed Electronic Boost Controller EVO User Manual download pdf

Grimmspeed

GrimmSpeed 3 Port Boost Control Solenoid

Installation Instructions

Mitsubishi EVO 8/9/10

***Image above is a generic GS 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 6

Mitsubishi EVO 8/9/10 1
Grimmspeed 2

Summary of Contents

Page 1 - Mitsubishi EVO 8/9/10

Grimmspeed 1 GrimmSpeed 3 Port Boost Control Solenoid Installation Instructions Mitsubishi EVO 8/9/10 ***Image above is a generic GS photo, your

Page 2 - Grimmspeed

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 Mitsubishi device, wh

Page 3

Grimmspeed 3 Now able to explicitly control the opening and closing of the wastegate, the ECU is able to control boost with greater precision and redu

Page 4

Grimmspeed 4 Installation for EVO X: 1. Locate BCS bracket just below the brake master cylinder. Unplug the electrical connectors and vacuum line

Page 5

Grimmspeed 5 2. Remove both factory solenoids from bracket. Reinstall factory solenoid with the black connector on the bottom of the bracket. You w

Page 6

Grimmspeed 6 Hook up vacuum lines. See Figure 3. Port 3 connects to a high-pressure boost source (there is a vacuum nipple on the turbo compressor o

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Grimmspeed Electronic Boost Controller EVO User Manual

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