ECUMaster EMU Classic Engine Control Unit

ECUMaster EMU Classic delivers professional-grade engine management at an unbeatable value. With advanced ignition, fueling, and drive-by-wire control, built-in wideband, and support for complex motorsport strategies, it’s the perfect choice for custom builds, engine swaps, and high-performance street or race applications.

The ECUMaster EMU Classic is a high-performance, cost-effective engine management solution designed for everything from OEM ECU replacements to full custom race builds. Building on the proven EMU platform, the Classic version incorporates customer feedback for improved performance, protection, and packaging — all while maintaining an affordable price point.

🔧 Key Improvements over the Original EMU

• Improved ignition outputs allowing multiple active coils per output
• Dedicated +5V regulator for external sensors
• Highly protected H-Bridges for stepper motor control
• Galvanically isolated USB port
• Compact CNC-machined black anodized enclosure (147×62×30 mm)

⚙️ Main Features

• Supports 1–12 cylinder engines, including drive-by-wire and VVT
• Directly drives up to 6 passive or 12 smart coils without external modules
• Advanced drive-by-wire strategies with safety plausibility checks
• Built-in Bosch LSU 4.2 wideband controller
• Onboard 4-bar MAP sensor
• Dual EGT inputs for K-Type thermocouples
• Direct flex-fuel ethanol content sensor input
• Multiple control strategies: launch control, traction control, anti-lag, rolling ALS
• Real-time logging and built-in trigger scope

📊 Technical Specifications

• Enclosure protection: IP60, CNC-machined aluminium
• Operating voltage: 6–20V (ISO 7637 transient immunity)
• Temperature range: –40°C to +85°C
• Injector outputs: 6 × 5A low-side
• Ignition outputs: 6 × 7A (15A peak), passive & active coils
• Aux outputs: 6 × 5A low-side
• Stepper outputs: Full bridge up to 0.8A
• Analog inputs: 7 × 0–5V (10-bit), plus 4 via CAN module
• EGT inputs: 2 × K-Type thermocouple
• Knock sensors: 2 channels, 1–20kHz
• Communications: USB, serial, CAN
• Size: 147×62×30 mm
• Weight: Approx. 500g

🛠️ Control Capabilities

• VE-based speed density and Alpha-N fueling strategies
• Advanced ignition control with per-cylinder trims
• Closed-loop boost control (PID-based)
• Traction control with delta RPM strategy
• VVT control (PID-based, 2 camshafts)
• Flex fuel blending for VE, ignition, lambda, boost, and more
• Multiple engine protection strategies for temperature, oil/fuel pressure, and EGT

🏎 Best Suited For

• Track, drift, rally, and time-attack builds
• Engine swaps requiring advanced control
• Performance street cars with custom tuning

📄 Downloads & Resources

• 📘 Specifications Drawing (PDF)
• 🧰 Wiring Diagram & Pinout (PDF)
• 🛠️ User Manual (PDF)
• 💾 CAD Data (ZIP)

Professional installation and calibration are recommended for optimal performance and reliability.