Holley 550-830 HP EFI Multi-Port Fuel Injection System V8 4 bbl
HP Multi-Port EFI systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake! Whether you have a stock engine, crate or custom-built engine, HP Multi-Port systems can help you maximize performance! By utilizing a laptop (or the optional 5.7 full color touch screen LCD) along with the HP's self-tuning capabilities, the HP Multi-Port EFI system will get you to the cruise or race in no time. HP Multi-Port systems include: intake manifold, billet throttle body, ECU, wiring harness, fuel rails, and related small parts. Fuel pump and injectors are available separately to fit your requirements.
- NEW V2 SOFTWARE FEATURES
- Quick Start ignition and fueling strategy for LS x Engines
- Data Logger. Scalable axes, Smoothing, Multiple graph view ability, Pre-defined notes fields and many more
- Strip Chart Real-Time Data Viewer
- 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
- Traction Control - Power reduction via timing, nitrous percentage or boost (Requires Davis Technologies Holley Module)
- Quick Start fueling for all engines
- Option for VE based fueling strategy
- Fuel Map and Learn Function Smoothing
- Configurable User Password Protection
- Fully Configurable lap top Gauge Panel
- 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
- 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
- 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
- Plug and Play control of factory GM 24x and 58x LSx engines
- Integrated single channel wide band oxygen sensor control. Works with NTK or Bosch sensors
- Internal data-logging standard with a huge 2GB of memory
- 4 Stage progressive nitrous control
- Turbo boost control
- Integrated water/methanol injection control
- Self-tuning fuel table strategy greatly simplifies tuning process
- Individual cylinder fuel and spark control allows you to unlock your engine™s potential
- Works with 4, 6, 8 cylinder engines
- This product is discontinued.
- This item ships directly from the manufacturer. It may take an additional business days for Holley to ship this item.
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
- This item 425550830 is made to order. It will be shipped from our warehouse when it is produced.
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Q & A
Check out episode 9 of our 410 Sprint Car Build series! Today, the guys are having some fun with the fuel system.
We take a look at some parts going into a 1951 Chevy Truck project. We highlight a few key pieces including the 1947-1954 Chevy Truck EFI Fuel tank.