Description
The FiTech 500HP Vortec EFI 4150 Flange Ultra Black TMAP (30-21-511) is engineered to bring the advantages of modern electronic fuel injection to small block Chevrolet (SBC) engines. This comprehensive kit is designed for engines producing up to 500 horsepower and replaces traditional carburetion with a more precise and efficient multi-port fuel delivery system. By injecting fuel directly into each cylinder’s intake port, this system optimizes fuel atomization and distribution, leading to improved throttle response, increased power, and enhanced fuel economy. The FiTech 30-21-511 is compatible with a range of fuels, including gasoline, Flex fuel (E85), alcohol, and methanol, offering versatility for various applications. While the kit includes essential electronic components like the ECU, injectors, and a handheld display for monitoring and adjustments, it’s important to note that the fuel system (fuel pump, lines, and regulator) must be sourced separately.
KEY FEATURES AND BENEFITS:
- Multi-Port Fuel Injection: Delivers fuel directly to each cylinder’s intake port for optimal combustion.
- 500 HP Rating: Supports engine builds up to 500 horsepower on gasoline.
- Self-Tuning Capability: The ECU automatically adjusts fuel delivery based on sensor feedback, simplifying the initial setup.
- User Tunable: Allows for manual adjustments via the included handheld display for fine-tuning performance.
- Wide Fuel Compatibility: Works with gasoline, Flex fuel (E85), alcohol, and methanol.
- 4150 Flange Throttle Body: Utilizes a common 4150 flange for compatibility with many intake manifolds and air cleaners.
- Complete Electronic Package: Includes the ECU, wiring harness, and necessary sensors (MAP, IAT, TPS, IAC, Oxygen).
- Handheld Display Included: Provides real-time monitoring and adjustment capabilities.
- Timing Control Compatible: Designed to work with timing control systems (components sold separately).
SPECIFICATIONS:
- Part Number: 30-21-511
- Brand: FiTech Fuel Injection
- Product Line: Ultra Port EFI SBC Systems
- Fuel Injection Style: Multi-port
- Fuel Injection System Type: Single 4-Barrel Throttle Body (4150 Flange)
- Maximum Horsepower with Gas: 500
- Timing Control Compatible: Yes
- ECM Included: Yes
- Self Tuning: Yes
- User Tunable: Yes
- Fuel System Included: None
- Ignition System Included: None
- User Interface Included: 4.5 in. display
- Intake Material: Aluminum
- Intake Color: Black
- Engine Block Deck Height: Standard deck
- Throttle Body Mounting Flange: 4-barrel square bore
- Venturi Quantity: 4
- Venturi Diameter: 44.00mm
- Throttle Body Material: Cast aluminum
- Throttle Body Color: Black
- Injectors Included: Yes
- Wiring Harness Included: Yes
- Oxygen Sensor Included: Yes
- MAP Sensor Included: Yes
- IAT Sensor Included: Yes
- TPS Sensor Included: Yes
- IAC Motor Included: Yes
- Compatibility: Small Block Chevrolet (SBC) engines with standard deck height.
HOW TO USE:
- Install the Intake Manifold: Remove the existing intake manifold and carburetor. Install the FiTech Ultra Port intake manifold, ensuring proper gasket sealing and torque specifications.
- Mount the Throttle Body: Attach the FiTech throttle body to the newly installed intake manifold.
- Connect Fuel Rails and Injectors: Install the provided fuel rails and injectors onto the intake manifold, ensuring secure connections.
- Install Sensors: Mount the MAP (Manifold Absolute Pressure), IAT (Intake Air Temperature), TPS (Throttle Position Sensor), IAC (Idle Air Control), and Oxygen sensors in their designated locations.
- Wire the System: Connect the wiring harness to the ECU and all the installed sensors, as well as power and ground connections according to the provided wiring diagram.
- Install Fuel System (Separate Purchase): Install a compatible fuel pump, fuel lines, and fuel pressure regulator. Connect the fuel lines to the fuel rails.
- Connect Handheld Display: Plug in the handheld display to the ECU for initial setup and monitoring.
- Initial Setup: Follow the instructions on the handheld display to input basic engine parameters and start the self-tuning process.
- Self-Tuning and Adjustment: Allow the system to self-tune over time. Use the handheld display to monitor performance and make any desired manual adjustments.
BENEFITS OF USING THE FITECH 500HP VORTEC EFI 4150 FLANGE ULTRA BLACK TMAP (30-21-511):
- Improved Throttle Response: Multi-port injection provides quicker and more precise fuel delivery, leading to better throttle response.
- Increased Power Potential: The system is designed to support up to 500 horsepower, allowing for performance upgrades.
- Enhanced Fuel Efficiency: Precise fuel metering can lead to better fuel economy compared to traditional carburetion.
- Versatile Fuel Compatibility: Ability to run on gasoline, Flex fuel (E85), alcohol, and methanol offers flexibility.
- Simplified Tuning: Self-tuning capability makes initial setup easier, while user adjustability allows for fine-tuning.
- Modern Technology: Brings the benefits of modern electronic fuel injection to older engines.
FEATURES:
- Direct Port Injection: Fuel is delivered directly into the intake port of each cylinder.
- High-Flow Injectors: Ensures sufficient fuel delivery for up to 500 horsepower.
- Electronic Fuel Pump Control: The ECU can control an external fuel pump (requires compatible pump).
- Real-Time Data Monitoring: The handheld display provides live engine data.
- Diagnostic Capabilities: The system can provide diagnostic information for troubleshooting.
- Durable Construction: Built with quality materials for long-lasting performance.
- Easy Installation (Compared to Custom Systems): Designed as a relatively straightforward upgrade for compatible engines.
- Adaptable to Different Engine Setups: User adjustability allows for optimization with various engine modifications.






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