Description
The FiTech 500HP Rectangle Port EFI 4150 Flange Classic Black (30-10-515) is a comprehensive electronic fuel injection solution designed to enhance the performance of big block Chevy engines equipped with rectangle port cylinder heads. This kit provides a modern fuel delivery system, replacing traditional carburetors with precise, computer-controlled fuel injection. It is engineered to support up to 500 horsepower when using gasoline and offers compatibility with various fuels, including E85, alcohol, and methanol. The system includes a self-tuning ECM, a 4-barrel throttle body, fuel injectors, and all necessary sensors, ensuring improved engine efficiency and performance.
KEY FEATURES AND BENEFITS:
- Multi-Port Fuel Injection: Provides precise fuel delivery to each cylinder, improving engine efficiency and performance.
- Self-Tuning ECM: The electronic control module automatically adjusts fuel parameters for optimal performance, simplifying the tuning process.
- Wide Fuel Compatibility: Supports gasoline, E85, alcohol, and methanol, offering flexibility in fuel selection.
- Complete Kit: Includes all necessary components for installation, such as a 4-barrel throttle body, injectors, sensors, and wiring harness.
- User-Tunable: Allows users to fine-tune fuel and timing parameters for customized engine performance.
- 4.5-inch Display: Provides real-time engine data and allows for easy system adjustments.
- Rectangle Port Compatibility: Specifically designed for big block Chevy engines with rectangle port cylinder heads.
SPECIFICATIONS:
- Engine Compatibility: Big Block Chevy (BBC) with rectangle port cylinder heads
- Maximum Horsepower (Gas): 500 hp
- Injection Style: Multi-port
- Throttle Body Mounting Flange: 4-barrel square bore (4150)
- Airflow Rate: 1000 cfm
- Injector Size: 36 lbs/hr
- Fuel Compatibility: Gasoline, E85/Flex, Alcohol, Methanol
- Metering Style: Speed density (Map-N) or speed throttle (Alpha-N)
- ECM Included: Yes
- Timing Control Compatible: Yes
- User Interface: 4.5 inch display
- 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 of Intake Manifold: Install the included FiTech intake manifold onto the engine, ensuring proper gasket placement and torque specifications.
- Throttle Body Installation: Mount the FiTech throttle body onto the intake manifold, connecting the throttle linkage and ensuring proper alignment.
- Sensor Installation: Install the MAP, IAT, TPS, and oxygen sensors according to the provided instructions.
- Fuel System Connection: Connect the fuel lines to the fuel rails and ensure proper fuel pressure regulation (external fuel system required).
- Wiring Harness Connection: Connect the wiring harness to the ECM and all sensors, following the wiring diagram provided.
- ECM Setup: Mount the ECM in a suitable location and connect the 4.5-inch display.
- Initial Startup: Reconnect the battery, prime the fuel system, and start the engine. The self-tuning feature will begin adjusting fuel parameters.
- Fine-Tuning: Use the 4.5-inch display to monitor engine data and make any necessary adjustments.
BENEFITS OF USING THE FITECH 500HP RECTANGLE PORT EFI 4150 FLANGE CLASSIC BLACK (30-10-515):
- Improved Engine Performance: Enhanced throttle response and overall power output.
- Enhanced Fuel Efficiency: More precise fuel control reduces waste.
- Simplified Tuning: Self-tuning capabilities streamline setup.
- Increased Engine Reliability: Consistent performance with modern fuel delivery technology.
- Modernized Fuel Delivery System: Upgrades classic engines for better performance.
FEATURES:
- Cast aluminum intake manifold and throttle body.
- 36 lbs/hr fuel injectors for precise fuel delivery.
- Included wiring harness for easy installation.
- Compatible with forced induction and nitrous oxide.
- 1000 CFM 4-barrel throttle body.
- Multi-port fuel rails.
- Included IAT, MAP, TPS, and Oxygen sensors.





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