Pre-Ignition X4 Assembled - Fully Speeduino Compatible

Experience the best of both worlds – the freedom of open source with the convenience of ready-to-use hardware. Our stand-alone ECUs embody the spirit of innovation with 100% open source technology, featuring the renowned Speeduino open source firmware. Not only is the firmware customizable, but OpenLogicEFI hardware itself is open source. Rest assured, our ECUs are designed to offer peak performance right out of the box, ensuring a seamless experience for users who prefer a hassle-free solution.

Affordable: Compared to other high-performance ECU kits on the market our products are an affordable option that does not compromise on quality or reliability.

Supportive community: With well-documented instructions and a large community of users, you'll have plenty of resources to turn to if you need help or advice.

Fully tested before shipping: Each unit is thoroughly tested before shipping, ensuring that it meets our high standards for quality and reliability.

Hardware feature List:

• Supports up to 8 cylinders for fuel and ignition using 4 fuel channels and 4 ignition channels.

  • 2 (even fire only), 3, and 4 cylinder engines support full sequential fuel and ignition.

  • 6 (even fire only) and 8 cylinder engines are supported with wasted spark and 2 squirts per cycle.

• 4 injector output channels

• 4 ignition output channels with selectable logic levels (12V / 5V)

• 4 pre-configured analog input channels for CLT, IAT, TPS, and O2 sensors

• 2 customizable spare analog inputs (oil pressure, fuel pressure, etc.)

• 2 trigger inputs for crankshaft and camshaft position sensors

• 1 customizable spare digital input (default: VSS)

• 1 dual VR conditioner mount (conditioner not included)

• Optional onboard 4-bar MAP sensor for boost up to 43 PSI. External MAP sensor input available as an alternative.

• 1 barometric pressure sensor

• 1 DRV8825 stepper module mount for controlling stepper idle control valves

• 4 customizable high-current ground-switching spare outputs (2A max) (default: idle control valve, boost control, VVT)

• 1 tachometer output with selectable voltage (12V or 5V)

• 2 pre-configured ground-switching outputs for fan and fuel pump relay control

• 3 customizable spare outputs (400mA max ground switching)

• 1 flex fuel sensor input

• 1 clutch switch input (ground switching)

• 2 serial headers (Serial0 and Serial3), commonly used with HC-05 / HC-06 Bluetooth modules (see Speeduino Wiki for setup instructions)

GitHub Documentation: