Description
The FiTech 500HP Oval Port EFI 4150 Flange Classic Black (30-11-515) is a comprehensive electronic fuel injection kit designed to replace traditional carburetors on Big Block Chevy engines with standard deck height and oval port cylinder heads. This system provides precise fuel delivery and self-tuning capabilities, enhancing engine performance and efficiency. It is rated for up to 500 horsepower when using gasoline and is compatible with a wide range of fuels, including E85, alcohol, and methanol.
KEY FEATURES AND BENEFITS:
- Replaces traditional carburetors: With a modern electronic fuel injection system.
- Offers self-tuning functionality: For optimized engine performance.
- Provides multi-port fuel injection: For improved fuel delivery.
- Includes an ECM: (Electronic Control Module) for precise engine management.
- Features a 4.5-inch display: For easy monitoring and adjustments.
- Supports various fuel types: Including gasoline, E85, alcohol, and methanol.
- Designed for Big Block Chevy engines: With oval port cylinder heads.
- Compatible with power adders: Such as forced induction and nitrous oxide.
SPECIFICATIONS:
- Maximum Horsepower (Gasoline): 500 hp
- Injection Style: Multi-port
- Timing Control: Compatible
- ECM: Included
- Self-Tuning: Yes
- User-Tunable: Yes
- Fuel Pump: Not included
- EGR: No
- Transmission Controller: Not included
- Metering Style: Speed density (MAP-N), Alpha-N
- Intake Material: Aluminum
- Throttle Body Mounting Flange: 4-barrel square bore (4150)
- Venturi Diameter: 44.00 mm
- Airflow Rate: 1,000 cfm
- Injector Size: 36 lbs./hr
- Compatibility: Big Block Chevy engines with standard deck height, oval port cylinder heads.
HOW TO USE:
- Preparation: Remove the existing carburetor and intake manifold.
- Installation: Install the FiTech intake manifold and throttle body.
- Fuel System: Install a compatible fuel pump and fuel pressure regulator (sold separately).
- Wiring: Connect the wiring harness to the ECM and engine sensors.
- Sensor Installation: Install the included oxygen sensor, MAP sensor, IAT sensor, TPS sensor, and IAC motor.
- Display Setup: Connect and mount the 4.5-inch display.
- Initial Setup: Follow the on-screen instructions to configure the system.
- Self-Tuning: Start the engine and allow the system to self-tune.
- Fine-Tuning: Make any necessary adjustments using the display.
BENEFITS OF USING THE FITECH 500HP OVAL PORT EFI 4150 FLANGE CLASSIC BLACK (30-11-515):
- Improved Engine Performance: Enhanced throttle response.
- Enhanced Fuel Efficiency: Compared to traditional carburetors.
- Simplified Engine Tuning: With self-tuning capabilities.
- Reliable Operation: With electronic fuel injection.
- Compatibility with Various Fuel Types.
- More Consistent Engine Operation.
FEATURES:
- Complete kit including intake manifold, throttle body, and fuel rails.
- Included wiring harness and sensors for easy installation.
- 4-barrel square bore throttle body flange.
- 36 lbs/hr fuel injectors included.
- Supports power adders.
- Utilizes speed density and alpha-n metering styles.






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