Description
The FiTech EFI 4 System Aluminum Finish Kit w/ Force Fuel & CDI Box (93501) is designed to replace traditional carburetors with modern electronic fuel injection. It offers improved efficiency and performance for engines producing 250 to 600 horsepower. This kit includes a self-tuning ECU, a Force Fuel system for simplified fuel delivery, and an 850 CFM throttle body.
KEY FEATURES AND BENEFITS:
- Self-Tuning ECU: Automatically adjusts fuel and timing for optimal performance.
- Force Fuel System: Provides consistent high-pressure fuel delivery using an internal 340 lph pump.
- 850 CFM Throttle Body: Handles high airflow demands for performance engines.
- 80 lbs./hr Injectors: Delivers adequate fuel for high horsepower applications.
- Timing Control: Allows for electronic control of ignition timing.
- Comprehensive Sensor Package: Includes O2, MAP, IAT, and TPS sensors.
- 4.5-Inch Handheld Display: Enables monitoring and adjustments.
SPECIFICATIONS:
- Maximum Horsepower: 600 HP
- Injection Style: Throttle body
- Timing Control: Yes
- ECU Included: Yes
- Fuel Pump Included: Yes (Force Fuel System)
- Throttle Body Mounting Flange: 4-barrel square bore
- Venturi Quantity: 4
- Venturi Diameter: 43.00mm
- Airflow Rate: 850 CFM
- Injector Size: 80 lbs./hr.
- Fuel Pump Flow Rating: 340 lph
- Metering Style: Speed Density
HOW TO USE:
- Remove Existing Carburetor: Disconnect and remove the existing carburetor and intake manifold.
- Install Throttle Body: Mount the FiTech throttle body onto the intake manifold.
- Install Force Fuel System: Mount the Force Fuel system and connect to your existing fuel pump.
- Connect Wiring Harness: Connect the wiring harness to the ECU and sensors.
- Install Sensors: Mount the O2, MAP, IAT, and TPS sensors.
- Connect Fuel Lines: Connect the fuel lines from the Force Fuel system to the throttle body.
- Connect Ignition Control (if applicable): Connect the ignition control wires to your ignition system.
- Power Up and Configure: Connect the handheld display and follow the on-screen instructions to configure the ECU.
- Start and Self-Tune: Start the engine and allow the ECU to self-tune.
- Fine Tune: If needed, use the handheld display to fine-tune the system.
BENEFITS OF USING THE FITECH EFI 4 SYSTEM ALUMINUM FINISH KIT W/FORCE FUEL & CDI BOX (93501):
- Improved Fuel Efficiency: Compared to a carburetor.
- Enhanced Engine Performance: Provides better throttle response.
- Simplified Fuel System Installation: Easy setup with comprehensive components.
- Consistent Engine Operation: Performs well across varying conditions.
- Reduced Emissions: Contributes to cleaner operation.
- Easier Engine Starting: More reliable startup performance.
FEATURES:
- Integrated Fuel Pressure Regulator: Within the throttle body.
- Utilizes Speed Density Metering: For accurate fuel calculations.
- Cast Aluminum Throttle Body: Comes with a polished finish.
- Ability to Run Alcohol, Gasoline, or Methanol Fuels: Flexible fuel options.
- Internal IAC Motor: For effective idle control.
- External Fuel Pump: Used in the Force Fuel system.
- User Tunable Parameters: Via the handheld display.
- Complete Kit: Sold with all necessary components.





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