Description
The FiTech Classic Black 650 HP EFI w/ Inline Delivery & Regulator (31021) offers a comprehensive solution for upgrading from a carburetor to electronic fuel injection (EFI). Designed for engines up to 650 horsepower, this kit combines the classic look of a 4-barrel carburetor with the modern performance and efficiency of EFI. The system includes a self-tuning ECU, an inline fuel delivery setup, and a handheld controller for easy setup and monitoring.
KEY FEATURES AND BENEFITS:
- Self-Tuning ECU: Automatically adjusts fuel delivery for optimal performance and efficiency.
- Complete Fuel Delivery: Includes a 255 LPH inline fuel pump, fuel filters, fuel lines, and a regulator for reliable fuel supply.
- Classic Look: Retains the appearance of a traditional 4-barrel carburetor.
- Handheld Controller: Touch screen interface for easy setup, monitoring, and on-the-fly adjustments.
- Comprehensive Kit: All necessary components for a complete EFI conversion are included.
SPECIFICATIONS:
- Maximum Horsepower: 650 HP
- Injection Style: Throttle body
- Timing Control: No
- ECU: Included, self-tuning
- Fuel Pump: Included, 255 LPH inline
- Throttle Body Mounting Flange: 4-barrel square bore
- Venturi Diameter: 44mm
- Airflow Rate: 950 CFM
- Injector Size: 80 lbs/hr
HOW TO USE:
- Mount the throttle body to the 4-barrel intake manifold.
- Install the inline fuel pump and filters, connecting fuel lines to the throttle body and fuel tank.
- Mount the ECU in a suitable location.
- Connect the wiring harness to the engine sensors and power source.
- Install the oxygen sensor in the exhaust system.
- Connect the handheld controller and follow the on-screen instructions for initial setup.
- Start the engine and allow the self-tuning ECU to adjust fuel delivery.
- Use the handheld controller to monitor and make adjustments as needed.
BENEFITS OF USING THE FITECH CLASSIC BLACK 650 HP EFI W/ INLINE DELIVERY & REGULATOR (31021):
- Improved fuel efficiency compared to a carburetor.
- Enhanced engine performance and responsiveness.
- Easier cold starts and smoother idle.
- Reduced risk of flooding and vapor lock.
- Simplified tuning with the self-adjusting ECU.
- A cleaner engine bay appearance due to the remote mounted ECU.
FEATURES:
- Remote mounted ECU to maintain a classic carburetor look.
- 8GB data logging capabilities on the handheld controller.
- Adjustable fan control switches.
- Use of GM-type sensors and Bosch wideband oxygen sensor.
- Wet flow swirl spray annular discharge for complete atomization.
- OBD II fault code readouts.
- Ability to change air/fuel ratios on the fly.
- Compatibility with alcohol, gasoline, methanol, and flex fuel.






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