FiTech 200-550HP EFI Throttle Body Intake SBC Vortec (37855)

FiTech 200-550HP EFI Throttle Body Intake SBC Vortec (37855) offers a modern and efficient upgrade for engines currently utilizing a 4-barrel carburetor with a 4150 flange. This comprehensive kit provides all the necessary components to transition to a multi-port electronic fuel injection system, resulting in improved engine performance, throttle response, and overall drivability. Designed for engines producing up to 550 horsepower, this system integrates the ECU directly into the throttle body, simplifying the installation process and reducing wiring complexity. The included 4.5-inch color touchscreen interface allows for easy setup and monitoring, eliminating the need for extensive tuning knowledge to get your engine running optimally.

KEY FEATURES AND BENEFITS:

• Complete Multi-Port EFI System: Includes a new aluminum intake manifold, pre-fitted with injectors and fuel rails, along with an 850 CFM throttle body.
• Integrated ECU: The Engine Control Unit is built into the throttle body, streamlining wiring and installation.
• Self-Tuning Capability: The system features a high-speed processor that learns and adjusts fuel delivery for optimal performance without requiring manual tuning expertise.
• High Horsepower Support: Capable of supporting engines producing up to 550 horsepower.
• User-Friendly Interface: A 4.5-inch color touchscreen monitor simplifies setup, monitoring, and adjustments.
• Improved Performance and Drivability: Experience enhanced throttle response, smoother idle, and better fuel efficiency compared to traditional carburetors.
• Direct Carburetor Replacement: Designed to replace 4-barrel carburetors with a 4150 flange, making the upgrade process relatively straightforward.

SPECIFICATIONS:

• Brand: FiTech Fuel Injection
• Manufacturer’s Part Number: 37855
• Part Type: Fuel Injection Systems
• Fuel Injection Style: Multi-port
• Fuel Injection System Type: Single 4-Barrel Throttle Body (4150 Flange)
• Maximum Horsepower with Gas: 550
• Timing Control Compatible: Yes
• ECM Included: Yes
• Self Tuning: Yes
• User Tunable: Yes
• Fuel System Included: None
• Ignition System Included: None
• Power Distribution Included: None
• User Interface Included: 4.5 in. display
• EGR: No
• Transmission Controller Included: No
• Metering Style: Speed density
• Intake Material: Aluminum
• Intake Color: Natural
• Engine Block Deck Height: Standard deck
• Multi-Port Fuel Rails Included: Yes
• Throttle Body Included: Yes
• Throttle Body Mounting Flange: 4-barrel square bore
• Venturi Quantity: 4
• Venturi Diameter (mm): 44.00mm
• Throttle Body Material: Cast aluminum
• Throttle Body Color: Black
• 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: Engines with a standard deck height and a 4-barrel carburetor mounting flange (4150 style).

HOW TO USE:

• Preparation: Ensure the engine is turned off and cool. Disconnect the battery. Remove the existing carburetor and intake manifold.
• Intake Manifold Installation: Install the new FiTech aluminum intake manifold onto the engine, following the manufacturer’s torque specifications.
• Throttle Body Installation: Mount the FiTech throttle body onto the newly installed intake manifold.
• Wiring Harness Connection: Connect the provided wiring harness to the appropriate sensors (TPS, IAC, IAT, MAP, Oxygen sensor) on the throttle body and to the vehicle’s electrical system as per the FiTech instructions.
• Fuel System Setup: Install a suitable fuel pump, fuel lines, and filter (not included) to supply fuel to the fuel rails on the intake manifold. Ensure proper fuel pressure.
• Touchscreen Connection: Connect the touchscreen display to the designated connector on the wiring harness.
• Initial Setup via Touchscreen: Turn on the ignition and follow the prompts on the touchscreen to input basic engine parameters and perform the initial system setup.
• Engine Start and Monitoring: Start the engine and monitor the system parameters on the touchscreen. The self-tuning feature will begin to adjust fuel delivery.
• Fine-Tuning (Optional): For advanced users, the system allows for manual adjustments via the touchscreen if desired.

BENEFITS OF USING THE FITECH 200-550HP EFI THROTTLE BODY INTAKE SBC VORTEC (37855):

• Enhanced Engine Performance: Experience improved horsepower and torque delivery across the RPM range.
• Improved Throttle Response: Enjoy quicker and more precise throttle response compared to a carburetor.
• Increased Fuel Efficiency: Electronic fuel injection offers more accurate fuel metering, potentially leading to better fuel economy.
• Smoother Idle: Achieve a more stable and consistent idle.
• Reduced Emissions: EFI systems typically produce lower emissions compared to carburetors.
• Eliminates Carburetor Issues: Say goodbye to common carburetor problems like flooding, cold-start issues, and altitude sensitivity.
• Modern Technology Upgrade: Bring your classic or performance vehicle into the modern era with reliable electronic fuel injection.

FEATURES:

• High-Flow 850 CFM Throttle Body: Provides ample airflow for high-performance applications.
• Pre-Fitted Injectors and Fuel Rails: Simplifies installation and ensures proper component matching.
• Real-Time Data Display: The touchscreen allows you to monitor various engine parameters.
• Adjustable Fuel and Ignition Timing: Offers user control for fine-tuning performance (timing control requires compatible ignition system).
• Durable Aluminum Intake Manifold: Provides a lightweight and strong foundation for the EFI system.
• Comprehensive Wiring Harness: Includes all necessary wiring for a straightforward installation.
• Oxygen Sensor Feedback: Allows the ECU to make real-time adjustments for optimal air/fuel ratio.
• Easy Setup Wizard: Guides you through the initial configuration process.