Important Note: Due to supply chain challenges and the lack of ability to have parts anodized at this time, we are transitioning to brushed silver enclosures. We appreciate your understanding.
The MegaSquirt 3 with MS3X expansion offers advanced engine management features, surpassing the capabilities of MS2 and MS1 systems. It supports sequential fuel injection, ignition control, boost management, traction control, and other functions, making it a versatile choice for performance vehicles. The MS3X laid the groundwork for AMP EFI’s MS3Pro systems.
This system powered Lee Sicilio’s twin-turbo Daytona Charger to a 283 mph record at Bonneville, demonstrating its high-performance capabilities.
Designed for enthusiasts seeking robust vehicle control on a budget, the MS3X provides essential features for competitive racing without high costs.
MS3X Standard Features:
- 8 sequential fuel injection outputs, compatible with high-impedance injectors; unused outputs can be repurposed.
- 8 logic-level 5V ignition outputs, supporting various ignition modules and coils, including LSx coils and IGN1A (requires external module or coils with internal ignitors).
- 6 medium-current outputs for functions like progressive nitrous control, boost management, tachometer output, 3-wire idle control, or general PWM/relay control.
- 3 analog inputs for external MAP sensor, second O2 sensor, fuel pressure, accelerometer, or data logging.
- 4 switch inputs for data logging activation, nitrous arming, table switching, launch control, or VSS input (Hall sensor or VR with external conditioner).
- 1 cam sensor input, compatible with VR, Hall, or optical sensors.
- 16x16 VE and ignition tables with full interpolation, offering 0.1% steps for VE and 0.1-degree steps for ignition.
- Onboard SD card socket for data logging (SD card not included).
- Built-in USB port for connectivity.
- GM stepper IAC control for precise idle management.
- Closed-loop idle and air-fuel mixture control.
- CANBus communication for integration with GPIO Board, IO Extender, or other devices.
- Staged injection support.
- Compatibility with various OEM trigger patterns.
- Easy setup via serial laptop connection using TunerStudio software.