Description

Customizable Throttle Body EFI Bridging the Gap Between EZ-EFI and XFI 2.0

Crafted for muscle car enthusiasts, late-model street cruisers, racers, and sportsman drag racing aficionados, the FAST™ XFI Sportsman™ Engine Control System is a fully customizable EFI solution. Tuning requires a laptop, utilizing the reliable FAST™ C-Com® software bundled with the essential USB connectivity cable. Offering both load-indexed speed density and Alpha-N tuning strategies, with most users favoring speed density, the Alpha-N option caters specifically to Sportsman drag racers seeking unwavering consistency.

Data Logging Capability

Nitrous and Boost Compatibility

Fuel and Timing Control or Fuel-Only Option

The FAST™ XFI Sportsman™ System includes comprehensive tables for monitoring fueling, acceleration fuel, timing, and air/fuel targets. A user-configurable auxiliary input channel and full-function data logging are part of the package. It supports both naturally aspirated and boosted applications up to 5 bar, is compatible with wet nitrous, and features nitrous timing retard control. The built-in CAN network support for EZ-TCU™, EZ-LS™, XIM™, and eDash allows seamless plug-and-play integration with these components using the included CAN network wire. The FAST™ XFI Sportsman™ Engine Control System incorporates a Bosch wide-band O2 sensor, waterproof ECU enclosure, built-in diagnostic LEDs, and includes a premium mesh-type wire loom multi-port harness. It is compatible with FAST™ Distributors, EZ-LS™, or XIM™ for electronic timing control, or it can be used with an EFI distributor of your choice and a FAST™ Crank Trigger. Alternatively, it can control fuel only, working with a standard carb-type distributor (e.g., HEI) where timing is manually set.

Stock-to-1200HP Throttle Body with Integral Pulse Damper Supporting Return or Returnless Fueling

The eight-injector, die-cast throttle body (similar to the one available with EZ-EFI 2.0®) uses commonly available late-model OEM sensors for accuracy and durability, accommodating engines from stock to 1200 horsepower, the highest in the market. Improved inlet design enhances airflow compared to the first-generation EZ-EFI® throttle body, and a new secondary shaft throttle stop adjustment allows more precise idle airflow adjustment and balance. The exclusive-to-FAST™ integrated fuel pulse damper ensures ultra-precise fuel control and supports both return and returnless style fuel systems. This throttle body features needle-bearing supported shafts, an integrated fuel rail design with crossover for compact packaging, and includes the market’s fewest connection wires.

System Features Overview:

Includes ECU, assembled throttle body with sensors/injectors, wiring, wide-band O2, and electrical fuel pressure kit

Supports naturally aspirated, boosted, and nitrous applications (with built-in timing retard control)

FAST™ C-Com® tuning software included with necessary USB connection cable

Employs the same self-tuning strategy as EZ-EFI®, user-disabled/enabled

Compatible with standard carb-type distributors or FAST™ Distributors for plug-and-play electronic timing control

Offers speed density and Alpha-N tuning strategies; Alpha-N included primarily for Sportsman drag racers

ECU features LED diagnostics and EZ-Test™ indicator lights

High-quality wiring with mesh loom and wide-band O2

XFI Sportsman™ throttle body features:
- Same throttle body as available with EZ-EFI 2.0®
- Higher flowing and higher HP-capable compared to the original EZ-EFI®
- All sensors plug into the main harness via a single connector
- Holley carb-style: throttle linkage, overall height, and 4150 bolt pattern
- (8) hidden injectors; Uses (4) at idle and phases in additional (4) as needed
- Supports stock-to-1200HP due to advanced injector staging
- Market’s only fuel pulse damper creates precise fuel control
- Supports return or returnless-style fuel systems
- E85-capable up to 800HP
- Plug-and-play accessories (with a single connector) include:
  - EZ-LS™ GM LS Ignition Module
  - XIM™ Ford Modular/Chrysler Hemi/GM LS Ignition Module
  - eDash Sensor Dash/Touchscreen Hand-Held Tuner
  - EZ-TCU™ GM Overdrive Transmission Controller