Description
The FiTech 500HP Rectangle Port EFI 4150 Flange Uni Brilliant (30-10-510) is designed to bring modern electronic fuel injection to classic Big Block Chevy engines with rectangle port cylinder heads. This kit provides a comprehensive solution for upgrading your engine’s fuel delivery, offering improved performance, tunability, and fuel efficiency. Rated for up to 500 horsepower on gasoline, this system is compatible with a variety of fuels, including alcohol, methanol, and flex fuel. It features a 4-barrel throttle body with a 4150 flange, multi-port fuel rails, and a 4.5-inch display for user interface and tuning.
KEY FEATURES AND BENEFITS:
- Self-Tuning Capabilities: The system automatically adjusts fuel delivery for optimal performance.
- User-Tunable: Allows for personalized adjustments to fuel and timing settings.
- Multi-Port Fuel Injection: Provides precise fuel delivery to each cylinder.
- High Horsepower Rating: Supports up to 500 horsepower on gasoline.
- Fuel Compatibility: Works with gasoline, alcohol, methanol, and flex fuel.
- Comprehensive Kit: Includes ECM, wiring harness, sensors, and intake manifold.
- 3-Bar TMAP Sensor: Allows for forced induction applications.
SPECIFICATIONS:
- Fuel Injection Style: Multi-port
- Maximum Horsepower: 500 (gasoline)
- Throttle Body Mounting Flange: 4-barrel square bore (4150 flange)
- Venturi Quantity: 4
- Venturi Diameter: 44mm
- Airflow Rate: 1,000 CFM
- Injector Size: 36 lbs/hr
- Metering Style: Speed density (Map-N) or speed throttle (Alpha-N)
- Engine Block Deck Height: Standard deck
- Fuel Compatibility: Gasoline, alcohol, methanol, flex fuel
- Compatibility: Big Block Chevy engines with rectangle port cylinder heads.
HOW TO USE:
- Preparation: Disconnect the battery and remove the existing carburetor and intake manifold.
- Installation: Install the FiTech intake manifold and multi-port fuel rails.
- Throttle Body Mounting: Mount the 4-barrel throttle body to the intake manifold.
- Injector Installation: Install the provided 36 lbs/hr injectors into the fuel rails.
- Wiring Harness Connection: Connect the wiring harness to the ECM and all sensors (MAP, IAT, TPS, IAC, O2).
- Sensor Placement: Install the oxygen sensor in the exhaust system.
- ECM Mounting: Secure the ECM in a suitable location.
- Display Connection: Connect the 4.5-inch display to the ECM.
- Fuel System Connection: Connect the fuel lines to the fuel rails (fuel pump and regulator sold separately).
- Initial Setup: Power on the system and follow the on-screen prompts for initial setup and calibration.
- Tuning: Utilize the self-tuning feature or manually adjust settings as needed.
- Testing: Start the engine and verify proper operation and fuel delivery.
BENEFITS OF USING THE FITECH 500HP RECTANGLE PORT EFI 4150 FLANGE UNI BRILLIANT (30-10-510):
- Improved Engine Performance: Enhanced fuel delivery leads to increased horsepower and torque.
- Enhanced Fuel Efficiency: Precise fuel metering optimizes fuel consumption.
- Modern Technology: Brings classic engines into the modern era with electronic fuel injection.
- Increased Tunability: Allows for fine-tuning to achieve optimal engine performance.
- Simplified Installation: Comprehensive kit and self-tuning features simplify the upgrade process.
- Reliable Engine Operation
FEATURES:
- Cast aluminum intake manifold.
- Polished finish throttle body.
- Included calibration module.
- Oxygen sensor included for mixture monitoring.
- IAT, MAP, TPS, and IAC sensors provided.
- Compatible with power adders like forced induction and nitrous oxide.
- 4.5-inch display for system information.
- 3-bar TMAP sensor.
- 44mm venturi diameter.





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