Description
The FiTech 500HP Small Block EFI 4150 Flange Uni Black (30-12-511) brings modern electronic fuel injection to small-block Chevy engines, delivering precise fuel metering and improved throttle response. Designed for engines up to 500 horsepower, this system includes a 4-barrel throttle body, an ECU with self-tuning capabilities, and all necessary sensors and wiring. It is compatible with multiple fuel types, including gasoline, Flex fuel, alcohol, and methanol, making it a versatile solution for performance applications.
KEY FEATURES AND BENEFITS:
- Multi-port fuel injection: Ensures optimized fuel delivery and enhanced throttle response.
- Rated for up to 500 horsepower: Designed for performance-oriented small-block Chevy engines.
- Self-tuning ECU: Simplifies setup and continuously adapts to engine conditions.
- User-tunable settings: Allows fine-tuning for customized performance.
- 4-barrel throttle body: Features a 4150 flange for compatibility with standard performance setups.
- Multiple fuel compatibility: Supports gasoline, Flex fuel, alcohol, and methanol.
- Comprehensive kit: Includes an intake manifold, fuel rails, injectors, sensors, and wiring harness.
- 4.5-inch display: Provides real-time monitoring and tuning capabilities.
SPECIFICATIONS:
- Engine Compatibility: Small-block Chevy (SBC) with standard deck height
- Maximum Horsepower: 500 HP (gasoline)
- Injection Style: Multi-port
- Throttle Body: 4150 flange, 4-barrel square bore
- Throttle Body CFM: 1000 CFM
- Throttle Body Venturi Diameter: 66 mm
- Injectors: 36 lbs/hr
- Fuel Compatibility: Gasoline, Flex fuel, Alcohol, Methanol
- Metering Style: Speed density (MAP-N) or speed throttle (Alpha-N)
- Timing Control: Yes
- ECU: Included, self-tuning and user-tunable
- Sensors Included: MAP, IAT, TPS, O2
- Compatibility: Forced induction and nitrous oxide
- Intake Material: Cast aluminum
- Transmission Controller: No
- Fuel Pump and Regulator: Not included
HOW TO USE:
- Preparation: Disconnect the vehicle’s battery and remove the existing intake manifold and carburetor.
- Intake Installation: Install the FiTech intake manifold with proper gasket placement and torque specifications.
- Fuel Rail and Injector Installation: Mount the fuel rails and install the injectors into the intake manifold.
- Throttle Body Installation: Attach the 4150 flange throttle body securely.
- Sensor Installation: Install all required sensors, including MAP, IAT, TPS, and O2.
- Wiring Harness Connection: Connect the wiring harness to the sensors, injectors, and ECU.
- ECU Mounting: Secure the ECU in a suitable location.
- Fuel System Connection: Attach fuel lines to the fuel rails and install a compatible fuel pump and regulator (not included).
- Display Connection: Connect the 4.5-inch handheld display to the ECU.
- Initial Setup: Power on the system and follow the on-screen prompts for initial setup and self-tuning.
- Fine-Tuning: Use the handheld display to monitor and adjust engine parameters as needed.
BENEFITS OF USING THE FITECH 500HP SMALL BLOCK EFI 4150 FLANGE UNI BLACK (30-12-511):
- Enhanced Engine Performance: Provides improved throttle response and smoother operation.
- Increased Fuel Efficiency: Optimized fuel delivery for reduced fuel consumption.
- Modern Engine Management: Electronic control for precise fuel and ignition tuning.
- Easy Installation: Self-tuning ECU simplifies setup for faster installation.
- Customizable Performance: User-tunable settings allow for personalized engine adjustments.
- Reliable and Consistent Operation: Adapts to different fuel types and driving conditions.
FEATURES:
- Cast aluminum intake manifold.
- Black-finish throttle body.
- Multi-port fuel rails with 36 lbs/hr injectors.
- ECU with self-tuning and user-adjustable parameters.
- Complete wiring harness with labeled connections.
- 3-Bar TMAP sensor for precise fuel metering.
- Supports forced induction and nitrous applications.





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