Driven by Performance. Powered by Passion.
Advanced engine management systems engineered for power, reliability, and full control—on city streets, rugged trails, or racing circuits.
+
Engine Control Units
deployed worldwide in performance builds, race cars, and conversions.
%
AI-Driven Website
Our AI assistant is available 24/7 to help you with any question or support you need—fast, accurate, and always ready.
FEATURES
Simplified Power Management for Serious Builders
Smarter Tuning Starts Here
At Spitronics, we don’t just build ECUs—we engineer intelligent control systems that give you the confidence to push performance to the edge. Whether you’re running a street car, competition build, off-road rig, or custom hybrid, our modular and programmable systems are designed to adapt to your needs.
With support for fuel injection, ignition timing, boost control, transmission shifts, and more, our ECUs and TCUs offer unmatched flexibility and reliability. Installation is simple, the tuning interface is intuitive, and real-time feedback keeps you in control of every parameter. Backed by years of motorsport-proven performance, Spitronics helps you transform your build from functional to phenomenal.
Fully Programmable Engine & Transmission Control
Tune engine and transmission settings with full control over fuel, ignition, boost, and shifting—right from your laptop or mobile.
Versatile Compatibility
Works with a wide range of engines, vehicles, and custom swaps—from daily drivers to race-ready monsters.
Seamless Integration & Setup
Simple wiring, smart firmware, and an easy-to-use interface mean you’re ready to tune and drive in no time.
Feature Comparison
Mercury 3
Callisto
| Features | Std. | Int. | Adv. | Ult. | Stock Class | Racing Class |
| Graph Tuning MAP | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Matrix Tuning MAP or TPS | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Altitude Compensation | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Idle Control | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Dual Maps | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Dual Injectors | ✔ | ✔ | ||||
| Split Sequential Injection | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Full Sequential Injection | ✔ | ✔ | ✔ | |||
| Fuel Pressure Control | ✔ | ✔ | ✔ | |||
| VVTI Cam Control Open Loop | ✔ | ✔ | ✔ | |||
| VVTI Cam Control Closed Loop | ✔ | ✔ | ||||
| V-Tech /Vanos Cam Control | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Launch control | ✔ | ✔ | ✔ | |||
| Launch control Delay | ✔ | ✔ | ✔ | |||
| Anti-Lag control | ✔ | ✔ | ✔ | |||
| Flat-Shift control | ✔ | ✔ | ✔ | |||
| RPM Calibration | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Price | R3162 | R3596 | R4305 | R5065 | Rxxx | Rxxx |
Product Overview:
| Feature | Details |
|---|---|
| Model | Mercury 3 ECU |
| Engine Support | 1 to 12-cylinder engines (up to 2 distributors) |
| Fuel Control | Sequential, semi-sequential, and batch fire |
| Ignition Control | Individual coil, wasted spark, or distributor ignition |
| Boost Control | Yes (PWM-based) |
| VVT Control | Yes (up to 2 camshafts) |
| Drive-by-Wire Support | No |
| CAN Bus Communication | Yes – for integration with dashboards and expansion modules |
| MAP Sensor | Onboard 4 Bar MAP |
| Wideband Lambda Support | Via external controller (0-5V analog input) |
| Feature | Details |
|---|---|
| Launch Control | Yes |
| Traction Control | Basic (via wheel speed input) |
| Rev Limiter | Fuel cut and ignition cut available |
| Data Logging | Internal logging via Spitronics software |
| Tuning Software | Hyperspace ECU Manager |
| Firmware Updates | Yes – via Bluetooth, USB, Serial |
| Inputs/Outputs | Configurable I/Os – analog and digital |
| Communication Ports | UART |
Application Suitability | Street, performance, off-road, marine |
| Price Range | R3162 – R5065 |
Product Overview:
| Feature | Details |
|---|---|
| Model | Mercury 3 ECU |
| Engine Support | 1 to 12-cylinder engines (up to 2 distributors) |
| Fuel Control | Sequential, semi-sequential, and batch fire |
| Ignition Control | Individual coil, wasted spark, or distributor ignition |
| Boost Control | Yes (PWM-based) |
| VVT Control | Yes (up to 2 camshafts) |
| Drive-by-Wire Support | No |
| CAN Bus Communication | Yes – for integration with dashboards and expansion modules |
| MAP Sensor | Onboard 4 Bar MAP |
| Wideband Lambda Support | Via external controller (0-5V analog input) |
| Feature | Details |
|---|---|
| Model | Mercury 3 ECU |
| Engine Support | 1 to 12-cylinder engines (up to 2 distributors) |
| Fuel Control | Sequential, semi-sequential, and batch fire |
| Ignition Control | Individual coil, wasted spark, or distributor ignition |
| Boost Control | Yes (PWM-based) |
| VVT Control | Yes (up to 2 camshafts) |
| Drive-by-Wire Support | No |
| CAN Bus Communication | Yes – for integration with dashboards and expansion modules |
| MAP Sensor | Onboard 4 Bar MAP |
| Wideband Lambda Support | Via external controller (0-5V analog input) |
Years Experience
Driven by Performance. Powered by Passion.
Redefining Engine Management Solutions Over The Last Two Decades...
At Spitronics, we specialize in designing and manufacturing advanced aftermarket Engine and Transmission Control Units (ECUs & TCUs). Proudly South African, we offer cutting-edge solutions for tuners, builders, and enthusiasts looking for precision, performance, and reliability.
After 20+ years in the field, we’re known for delivering reliable electronic control solutions tailored for performance, whether you’re navigating city streets, rugged trails, or racing circuits.
Performance & Precision
Our systems are engineered to deliver high-speed processing, real-time tuning, and robust safety features, ensuring maximum performance with ultimate stability.
Modular & Scalable Solutions
From DIY tuners to professional workshops, our modular design and versatile firmware make integration simple—regardless of the application!
BECAUSE POWER WITHOUT CONTROL IS NOTHING
+
Custom Builds Tuned
+
Countries Served
Spitronics Virtual Assistant
Your intelligent helper for ECU, TCU, and system-related questions — powered by advanced AI.
Spitronics AI Assistant
Ask anything about ECUs, TCUs, wiring, tuning, installation, or software. Get instant help powered by AI.
Have Question?
Contact Us
Have a question or need support? Fill out the form below and our team will get back to you promptly.
FEEDBACK
Why Our Customers Choose Spitronics
OUR BLOG
Recent Blog & Article
