Description
The FiTech 500HP Vortec EFI 4150 Flange Classic Gold TMAP (30-21-514) is a complete solution for bringing modern electronic fuel injection to your classic Small Block Chevrolet engine. Designed as a direct replacement for traditional 4-barrel carburetors, this system offers a significant upgrade in performance, fuel efficiency, and overall drivability. Compatible with a wide range of SBC engines from the 1950s through the 1980s, the Ultra Port EFI system allows you to experience the benefits of precise fuel delivery and self-tuning technology.
KEY FEATURES AND BENEFITS:
- Multi-Port Fuel Injection: Delivers fuel directly into the intake ports, optimizing combustion for improved throttle response, power output, and fuel economy compared to carbureted systems.
- Self-Tuning Capability: The included ECU features self-learning software that continuously adapts to your engine’s characteristics and driving style, simplifying the tuning process.
- User Tunable: While self-tuning, the system also provides users with the flexibility to make adjustments to various parameters for fine-tuning performance.
- Timing Control Compatible: The ECU can manage ignition timing, allowing for further optimization of engine performance (requires compatible ignition components, not included).
- Versatile Fuel Compatibility: Supports gasoline, Flex fuel, alcohol, and methanol, offering flexibility for different fuel options.
- Bolt-On Installation: Designed to replace standard 4-barrel carburetors with a 4150 flange, simplifying the installation process.
- Comprehensive Kit: Includes the intake manifold, throttle body, fuel rails, injectors, ECU, sensors, wiring harness, and a user-friendly touchscreen display.
SPECIFICATIONS:
- Brand: FiTech Fuel Injection
- Manufacturer Part Number: 30-21-514
- Fuel Injection Style: Multi-port
- Fuel Injection System Type: Single 4-Barrel Throttle Body (4150 Flange)
- Maximum Horsepower with Gas: 500 HP
- Timing Control Compatible: Yes
- ECM Included: Yes
- Self Tuning: Yes
- User Tunable: Yes
- Fuel System Included: None (requires external fuel pump, lines, regulator)
- Ignition System Included: None
- User Interface: 4.5 in. display
- EGR: No
- Transmission Controller Included: No
- Metering Style: Speed density
- Intake Material: Aluminum
- Intake Color: Black
- Engine Block Deck Height: Standard deck
- Multi-Port Fuel Rails Included: Yes
- Throttle Body Material: Cast aluminum
- Throttle Body Color: Gold
- Venturi Quantity: 4
- Venturi Diameter: 44.00mm
- Injectors Included: Yes
- Calibration Module Included: Yes
- Wiring Harness Included: Yes
- Oxygen Sensor Included: Yes
- Fuel Pressure Regulator Included: No
- MAP Sensor Included: Yes
- IAT Sensor Included: Yes
- TPS Sensor Included: Yes
- IAC Motor Included: Yes
- Compatibility: Small Block Chevrolet engines (1950s – 1980s)
HOW TO USE:
- Remove Existing Carburetor and Intake Manifold: Carefully disconnect and remove your current carburetor and intake manifold setup from your Small Block Chevy engine.
- Install the FiTech Intake Manifold: Mount the included FiTech aluminum intake manifold onto your engine, ensuring proper gasket installation and torque specifications.
- Mount the Throttle Body: Attach the FiTech throttle body to the newly installed intake manifold.
- Install Fuel Rails and Injectors: Mount the provided fuel rails and install the injectors into the designated ports on the intake manifold.
- Connect Fuel Lines: Connect the high-pressure fuel lines from your external fuel pump (not included) to the fuel rails. A fuel pressure regulator (not included) will be required in this line.
- Install Sensors: Mount the included MAP, IAT, TPS, and oxygen sensors in their designated locations on the intake manifold and exhaust system.
- Connect Wiring Harness: Connect the wiring harness to the ECU and all the installed sensors, injectors, and other components according to the provided instructions.
- Mount the ECU: Securely mount the ECU in a suitable location within your vehicle.
- Install the Touchscreen Display: Mount the touchscreen display in a convenient location for monitoring and adjustments.
- Initial Setup and Calibration: Follow the instructions in the FiTech manual to perform the initial setup and calibration using the touchscreen display. This typically involves inputting basic engine parameters.
- Start the Engine and Monitor: Start your engine and monitor the system parameters on the touchscreen display. The self-tuning feature will begin to adjust fuel delivery.
- Fine-Tuning (Optional): If desired, use the touchscreen display to make further adjustments to the fuel and timing maps based on your specific needs and preferences.
BENEFITS OF USING THE FITECH 500HP VORTEC EFI 4150 FLANGE CLASSIC GOLD TMAP (30-21-514):
- 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.
- Reliable Cold Starting: The system ensures more reliable cold starts and better engine drivability.
- Self-Tuning Capability: Simplifies the process of optimizing your engine’s performance.
- Versatile Fuel Compatibility: Can run on gasoline, Flex fuel, alcohol, and methanol, offering flexibility.
FEATURES:
- Direct bolt-on replacement for 4-barrel carburetors with a 4150 flange.
- Supports gasoline, Flex fuel, alcohol, and methanol.
- 4.5-inch touchscreen display for easy monitoring and adjustments.
- Utilizes speed density for accurate fuel calculations.
- Black aluminum intake manifold designed for standard deck height SBC engines.
- Gold cast aluminum throttle body with four 44mm venturis.
- Includes all necessary sensors: MAP, IAT, TPS, and IAC motor.
- Comes with a complete wiring harness for straightforward installation.
- Calibration module included for initial setup.






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