Holley EFI 550-606N - HP EFI ECU And Harness Kit

Holley EFI - 550-606N

HP EFI ECU And Harness Kit; Universal Ford V8 Multi-Point Fuel Injection; Incl. ECU/Harness; Incl. NTK Oxygen Sensor;

Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth.

• Plug and Play control of factory GM 24x and 58x LSx engines
• Integrated water/methanol injection control
• Eight sequentially driven 8:2 peak and hold injector drivers, capable of driving up to 16 low or high impedance injectors as a standard feature. Multiple staged injector strategies
• Individual cylinder fuel and spark control allows you to unlock your engine’s potential
• Turbo boost control
• Full timing retard/control configurability per stage based on RPM or time
• Optional 5.7” full-color touchscreen LCD allows easy on-the-fly tuning,data-logging or can be used as an easy to see graphical gauge panel
• 4 Stage nitrous oxide control
• Self-tuning fuel table strategy greatly simplifies tuning process
• Internal data-logging standard with a huge 2GB of memory
• Can be configured “Wet” or “Dry” with closed loop feedback
• Advanced idle, closed loop, and enrichment strategies allow for very stable operation
• Speed density, Alpha-N, or combination fueling strategies
• Controls both stepper and PWM Idle Air Control (IAC) motors
• Unique lb/hr based fueling strategy greatly simplifies and commonizes tuning
• Allows for use of common OEM sensors as well as customer sensor calibration input
• Includes NTK wideband oxygen sensor
• Fully featured nitrous control eliminates the need for a separate nitrous controller device
• Uses Holley Water/Meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter Water/Meth flow as a percentage of fuel injector flow
• 1-5 Bar MAP sensor capability
• 4 Stage progressive nitrous control
• ECU is fully potted and can be mounted in the engine compartment or interior
• Two channel knock control sensor Inputs for both one or two wire knock sensors
• Lean or rich safety cutoff
• Eight channel Distributorless Ignition (DIS)outputs capable of directly driving “Smart” ignition coils or Holley DIS coils. Will drive 2 wire coils with the addition of PN 554-112 high current coil driver module
• Integrated single channel wide band oxygen sensor control. Works with NTK or Bosch sensors
• Progressive control based on time, RPM, or boost, requires part # 554-111
• Sealed automotive and marine grade connectors
• 4 Programmable high or low Pulse Width Modulated (PWM) outputs and 4 fully configurable inputs can be configured for use
• Dedicated fuel and oil pressure inputs
• Works with 4, 6, 8 cylinder engines