Overview Looking for a plug and play alternative for your stock or built late model factory 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. Features 1-5 Bar MAP sensor capability Full timing retard/control configurability per stage based on RPM or time Option for VE based fueling strategy 4 Stage nitrous oxide control ECU is fully potted and can be mounted in the engine compartment or interior Dedicated fuel and oil pressure inputs Integrated single channel wide band oxygen sensor control. Works with NTK or Bosch sensors Custom settings can be configured to allow many other applications Ignition Plug and Play with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic and hall effect trigger, and other ignition systems. New Plug and Play applications in process. Fully featured nitrous control eliminates the need for a separate nitrous controller device 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 Configurable User Password Protection Works with 4, 6, 8 cylinder engines Fuel Map and Learn Function Smoothing FEATURES Plug and Play control of factory GM 24x and 58x LSx engines Internal data-logging standard with a huge 2GB of memory Two channel knock control sensor Inputs for both one or two wire knock sensors Progressive control based on time, RPM, or boost, requires part # 554-111 Integrated Boost Control - Boost vs Time, Boost vs Gear (Time or RPM), Boost vs RPM, Boost vs Speed, Launch control. Boost launch builder, Over-boost safeties, Boost scramble Speed density, Alpha-N, or combination fueling strategies Lean or rich safety cutoff Data Logger. Scalable axes, Smoothing, Multiple graph view ability, Pre-defined notes fields and many more Sealed automotive and marine grade connectors Integrated water/methanol injection control 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 Allows for use of common OEM sensors as well as customer sensor calibration input 4 Programmable high or low Pulse Width Modulated (PWM) outputs and 4 fully configurable inputs can be configured for use Can be configured “Wet” or “Dry” with closed loop feedback NEW V2 SOFTWARE FEATURES Controls both stepper and PWM Idle Air Control (IAC) motors Turbo boost control Advanced idle, closed loop, and enrichment strategies allow for very stable operation 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 “Quick Start” ignition and fueling strategy for LS x Engines “Quick Start” fueling for all engines Unique lb/hr based fueling strategy greatly simplifies and commonizes tuning Fully Configurable lap top Gauge Panel Strip Chart Real-Time Data Viewer 4 Stage progressive nitrous control Traction Control - Power reduction via timing, nitrous percentage or boost (Requires Davis Technologies Holley Module) 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 for Water/Meth tuning precision unmatched in the industry Self-tuning fuel table strategy greatly simplifies tuning process Individual cylinder fuel and spark control allows you to unlock your engine’s potential
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