2 - intro
The GFB G-Force III boost controller is designed to not only bring boost on as fast and accurately as possible on a
turbocharged vehicle, but also to provide you with an accurate wideband Air/Fuel Ratio gauge using an externally
connected wideband module. The G-Force III incorporates an advanced and unique boost control strategy that allows
the user fine control over the peak boost, rise rate, and closed-loop correction.
The G-Force III also features a revised interface, making menu navigation and setup as fast and simple as ever.
Features at a glance:
Ÿ Multifunction boost and AFR (Air/Fuel Ratio) gauge with simple menu button toggle
Ÿ Lean AFR warning can be set to cut boost pressure if engine runs too lean under load
Ÿ 6 individually programmable boost preset memories, selectable on-the-fly
Ÿ Closed-loop correction - helps prevent boost variations
Ÿ Unique scramble boost strategy - increase or decrease boost for a certain amount of time at the push of a button
Ÿ Overboost protection - shuts down the solenoid and flashes a warning if boost goes too high
Ÿ External input - can be used to activate scramble or select boost presets remotely
Ÿ Adjustable button illumination colours - match your car’s existing lighting
Ÿ AFR gauge can display Lambda or AFR, and can be configured for different fuel types
Ÿ Boost/vacuum gauge display - in BAR, kPa, or PSI
Ÿ Peak hold boost pressure display
Installing the Head Unit
The G-Force III casing is a ½ DIN size, allowing to be
mounted into one half of a standard stereo slot.
Alternatively, with its thin profile (18.5mm), the G-Force III
can be mounted on a vertical face of the dashboard, or
stood up on its edge using the supplied double-sided
mounting tape.
Intro
About the G-Force III
Installation
Wiring Diagram
Solenoid Valve Installation Diagram
Menu Navigation
Menu Structure
Quick Start Guide
Boost Presets
Setting the Boost Pressure
Duty Cycle
Gain
Sensitivity
Controller Functions
Scramble Boost
Lean Cutout
Overboost
Peak Hold
Display Setting - Units of Pressure
Input 1 Setup - External Trigger
Input 2 Setup - Wideband AFR
Stoichiometric Ratio
Boost Gauge Calibration
Colour Settings
Additional Info
Tips
Troubleshooting
Tech
Warranty
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contents
about the g force iii
91.5mm
53.5mm
SETTINGS
PRESET
SCRAMBLE
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