Description
The FiTech Classic Black 650HP EFI w/ 340LPH Pump, CDI & Regulator (96221) is a comprehensive electronic fuel injection (EFI) conversion kit designed to replace traditional carburetors on engines producing up to 650 horsepower. This master kit includes all necessary components for a complete installation, such as an in-tank fuel pump, fuel pressure regulator, and Go-Spark CDI ignition box. The system utilizes a throttle body injection style with a 4-barrel square bore mounting flange, making it compatible with many common intake manifolds. It offers improved fuel delivery, engine performance, and efficiency through its self-tuning ECU and speed density metering.
KEY FEATURES AND BENEFITS:
- Converts carbureted engines to electronic fuel injection for improved performance and efficiency.
- Supports engines up to 650 horsepower.
- Includes in-tank fuel pump for reliable fuel delivery.
- Features a Go-Spark CDI ignition box for enhanced spark and combustion.
- Self-tuning ECU simplifies setup and optimizes engine performance.
- Speed density metering for accurate fuel calculations.
- Includes a 4.5 inch display screen for easy monitoring and adjustments.
SPECIFICATIONS:
- Maximum Horsepower: 650 HP
- Injection Style: Throttle body
- Metering Style: Speed density (Map-N)
- Airflow Rate: 950 CFM
- Injector Size: 80 lbs/hr
- Venturi Diameter: 44.00mm
- Fuel Pump: 340 lph in-tank
- Throttle Body Mounting Flange: 4-barrel square bore
- Fuel Type Compatibility: Alcohol, Gasoline, Methanol, Flex
- CDI Ignition Box: Included
- Fuel Pressure Regulator: Included
- 4.5 Inch Display Screen: Included
HOW TO USE:
- Preparation: Disconnect the battery and remove the existing carburetor and fuel lines.
- Fuel System Installation: Install the in-tank fuel pump module within the fuel tank, ensuring proper connections and sealing. Connect fuel lines to the fuel pressure regulator and throttle body.
- Throttle Body Installation: Mount the FiTech throttle body onto the intake manifold using the 4-barrel square bore flange. Connect the throttle linkage and any necessary sensors.
- Wiring Installation: Connect the wiring harness to the ECU, sensors (MAP, IAT, TPS, Oxygen), injectors, and ignition system. Ensure all connections are secure and properly routed.
- Ignition System Installation: Install the Go-Spark CDI ignition box and connect it to the distributor and wiring harness.
- ECU Setup: Mount the ECU in a suitable location. Connect the 4.5 inch display screen to the ECU.
- Initial Setup: Turn on the ignition and use the display screen to input basic engine parameters.
- Self-Tuning: Start the engine and allow the ECU to self-tune. Monitor engine performance and make adjustments as needed.
- Final Adjustments: Fine-tune the system using the display screen or optional tuning software.
BENEFITS OF USING THE FITECH CLASSIC BLACK 650HP EFI W/ 340LPH PUMP, CDI & REGULATOR (96221):
- Improved fuel efficiency compared to traditional carburetors.
- Enhanced engine performance and throttle response.
- Reduced emissions and improved cold start performance.
- Elimination of carburetor-related issues like flooding and vapor lock.
- Simplified engine management through self-tuning capabilities.
- The system allows for use of multiple fuel types.
FEATURES:
- Cast aluminum throttle body with black finish.
- 80 lbs/hr fuel injectors.
- Integrated MAP, IAT, and TPS sensors.
- Oxygen sensor for real-time fuel adjustments.
- Compact ECU for easy mounting.
- 950 cfm airflow rate.
- 340 lph in-tank fuel pump.
- Go-Spark CDI ignition box.
- Adjustable fuel pressure regulator with gauge.






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