Holley 550-936 Terminator X Universal MPFI Controller Kit Features:

• Simple Plug-and-Play - Engine controller for domestic V8's
• LCD 3-1/2 inch touchscreen - Provides easy base tuning with the calibration wizard along with gauge displays and data logging
• Real-Time Self-Learning - Fuel maps require no complicated tuning knowledge (Holley EFI software suite is included for advanced users with laptops)
• On-board Multi-Color LED Diagnostic - Allows quick troubleshooting on critical issues for ECU Power, engine running, wideband status, TPS calibration, crank signal, cam signal
• Built-in 1bar MAP Sensor - 1/8, 1/4, & 3/16 in. Vacuum hose adapters included. For boosted applications, the internal sensor can be disabled to run an external MAP sensor (not included) with terminated harness and connector (included)
• 4 Inputs - 12-volt, ground, 5-volt, and frequency can be used for activation triggers, trans brake, and to add extra pressure sensors
• 4 Outputs - Ground and PWM can be used for electric fans, boost control, nitrous control,  idle air control kit, and many more accessories
• Boost Controls - Ability to control boost vs time, boost vs. gear, boost vs. RPM, boost vs. speed, boost vs. safeties
• Nitrous Controls - Single Channel Wet or Dry, Progressive or Non-Progressive, rich/lean safeties, and target closed-loop AFR
• Advance Tables - 4x 1D table, 1x 1D gear table, 4x 2D table, 1x 2D per gear table.  Can be used for custom tables for flex fuel sensor, fuel pressure safety, or oil pressure safety
• Bosch LSU 4.9 Wideband - for precision reading and tuning control 
• High Impedance Injector Driver - powers most stock and Holley EFI injectors. (Use of low impedance injectors will damage the ECU)
• Injector Harness Adapter -  EV1 Injector harness included
• Holley EFI Accessories - are mostly compatible (analog-style gauges, shift lights, Dual Sync/HyperSpark Distributors and others)
• Tuning Software - Free software downloads keep your system up to date

Installation Notes:

Terminator X & Terminator X Max ECU's are designed to be installed with LED lights facing upwards.

To use this kit with a HyperSpark Ignition System The following harness is required:

• Holley EFI HyperSpark Ignition Adapter - 558-323 

FAQ

Is the Holley Terminator X carb legal?

• The Holley Terminator X (550-936) isn't CARB (California Air Resources Board) approved for emissions compliance.
• It's intended for off-road or racing applications.

What's the difference between Holley Terminator X and X Max?

• The Holley Terminator X Max (550-936) offers additional features like electronic transmission control.
• While both manage engine functions, the X Max extends control to transmission operations.

Is the Holley Terminator X street legal?

• The Holley Terminator X (550-936) isn't street-legal due to emissions regulations.
• It's designed for off-road or racing use.

What is the difference between sniper EFI and Terminator?

• Holley Terminator X (550-936) provides comprehensive engine control, including electronic transmission management.
• Sniper EFI offers basic engine management features and simpler installations.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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