Control Unit
STAG sigma ECU

STAG SIGMA is a standalone ECU designed for managing spark-ignition engines. With support for fully sequential, semi-sequential and full-group operation, it can handle everything from simple engine swaps to advanced motorsport projects.

Whether you are building a street restomod, a track car or a research prototype, SIGMA provides the tools you need to exploit the full potential of the engine.

Price of the controller 2400 PLN net 2952 PLN gross (23% TAX)

Supports spark-ignition engines up to 16 cylinders

Control of 2 electronic throttles (DBWx2)

Support for a wide range of fuels:

- gasoline (E10, E85)
- propane-butane (LPG)
- methane (CNG)
- hydrogen (H2)
- ethanol, methanol, or fuel blends

Supports variable valve timing (VVT, VTC, Vanos)

Software-defined:

VR / Hall inputs for CKP/CMP sensors
- Active/Passive ignition coil control
- Pull-up/Pull-down analog inputs
- Peak&Hold/Saturated fuel injector control

Supports:

- EGTx2
- KNOCKx2
- CANx3
- OneWire

STAG Motorsport
ECU

When a stock ECU becomes a limiting factor, you need a solution that offers complete freedom of configuration. STAG SIGMA was designed with race cars, drift cars, and tuning projects in mind -where precision, reliability, and the ability to customize every parameter to your specific needs are essential.

From simple engine swaps to advanced, high-power setups, STAG SIGMA provides the tools you need to unlock your engine’s full potential.

Advanced engine tuning
Motorsport and drifting
Tuning and custom projects
Engine swaps and analysisnon-standard configurations
Real-time monitoring, diagnostics, and data

Download
software
and documentation

We provide the materials needed to work with the ECU:
software, instructions, and technical documentation. Thanks to them, installation, configuration, and tuning can proceed more efficiently.

Software

Documentation

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Contact & Sales Inquiries

Do you have technical questions or would like to learn more about the capabilities of STAG Sigma? Contact us at sigma@ac.com.pl.

Looking for a quote or ready to place an order? Fill out the form below, and our team will get back to you as soon as possible.

STAGAutogasSystems

Control Unit STAG sigma ECU

Features