Link G4X XtremeX ECU | Premium Motorsport Engine Control

Link G4X XtremeX ECU

The XtremeX is one of Link’s premium ECUs, built for serious motorsport and high-performance road applications. With expanded inputs and outputs, advanced control features like E-throttle, Anti-lag, Traction Control, and Cruise Control, the XtremeX gives you precise control over even the most demanding engine setups.

It supports sequential injection and direct spark for up to 8 cylinders or 4 rotors, and features dual CAN buses, USB tuning, and 512MB of internal data logging. If onboard wideband Lambda is required, consider the Link Fury.

Requires “A” & “B” looms or connector kits (sold separately).

🔧 Key Features:

• Sequential injection and direct spark for up to 8 cylinders or 4 rotors
• Fully programmable E-throttle control with throttle blip support
• Advanced features: Anti-lag, Launch Control, Traction Control, Cruise Control
• Dual CAN bus support for external devices and accessories
• Internal 3-axis accelerometer and barometric pressure sensor
• High-speed USB tuning and RS232 serial connection
• 512MB onboard datalogging, up to 250 channels
• 30 general purpose tables (up from 20 in other models)
• Manufactured to ISO 13485 standard

🔌 Inputs & Outputs:

• 8 x High Current Injector Drives (high impedance)
• 8 x Ignition Drives
• 10 x Auxiliary Outputs (all PWM capable)
• 4 x Temperature Inputs
• 11 x Analog Inputs
• 2 x Digital Trigger Inputs
• 2 x Knock Inputs
• +5V and +8V Sensor Power Supplies
• Inputs can be configured for switches, speeds, sensors, and more

⚙️ Engine Compatibility:

• 1–12 Cylinder Distributed, Wasted Spark, or Direct Spark engines
• Odd Fire, Rotary, 2-Stroke, and 4-Stroke supported
• Supports OEM and custom trigger patterns
• Configurable TDC points and firing order

⛽ Fuel & Ignition Control:

• Supports Traditional, Modelled, and Multi-Fuel strategies
• Up to 440-zone 6D fuel and ignition maps
• Individual cylinder trims for fuel and ignition
• Dual closed-loop Lambda support
• Overrun fuel cut, warm-up enrichments, AFR correction
• Ignition modes include distributor, wasted spark, direct spark, rotary, and CDI
• Full control over spark advance, dwell, and retard strategies

🏁 Motorsport Features:

• Anti-lag with dual 3D fuel and ignition tables
• Launch control with progressive cut and 3D ignition/fuel trims
• Gear shift control (clutch switch, gear lever force, or barrel sensor)
• Full traction control with multiple slip threshold tables
• Idle control via solenoid, stepper, or E-throttle
• Boost control: open/closed loop, by gear, with base and trim tables
• Knock control with per-cylinder detection and response
• VVT control for up to 4 cams with advanced PID tuning
• Torque management and anti-theft support

📐 Dimensions & Specifications:

• Dimensions: 185mm (L) x 130mm (W) x 40mm (H)
• Weight: 680g
• Operating Voltage: 8V – 22V
• Internal Temperature Range: -10°C to 85°C
• Ambient Temperature Range: -30°C to 90°C
• 150MHz Engine Management Processor
• 12-bit ADC Resolution, 32-bit Floating Point Calculation

📦 What’s Included:

• Link G4X XtremeX ECU
• USB tuning cable
• Mounting bracket
• Installation instructions
• 2 x Large Link Stickers
• 2 x Small Link Stickers

📁 Downloads & Resources:

• Quick Start Guide (PDF)
• Installer I/O Table (PDF)
• Wiring Diagram / Pinout (PDF)

🔗 View all Link ECU Resources