FiTech LS 500HP EFI LS3 Returnless Module Kit w/ TC/Coil/LED (79811)

Description

The FiTech LS 500HP EFI LS3 Returnless Module Kit w/ TC/Coil/LED (79811) is a comprehensive electronic fuel injection system designed to replace traditional carburetors on LS engines utilizing LS3 port cylinder heads. This kit offers a complete solution for those seeking enhanced performance, improved fuel efficiency, and precise engine control. It includes all necessary components for a seamless EFI conversion, allowing for a modern driving experience.

KEY FEATURES AND BENEFITS:

• This kit is engineered to provide a straightforward upgrade to electronic fuel injection for LS engines.
• Supports up to 500 horsepower, making it suitable for performance applications.
• The self-tuning ECU simplifies setup and optimizes fuel delivery based on real-time engine conditions.
• Includes transmission control for GM 4L60/65/80/85 transmissions, allowing for fine-tuning of shift points and firmness.
• Various fuel system options, including in-tank and external pumps, offer flexibility for different installation requirements.
• The handheld touchscreen controller provides easy access to tuning and monitoring functions.

SPECIFICATIONS:

• Maximum Horsepower: 500 HP
• Fuel Injection Style: Multi-port
• Throttle Body Size: 92mm (1,250 CFM)
• Injector Size: 36 lbs/hr
• ECU: Included, self-tuning
• Transmission Control: Yes (GM 4L60/65/80/85)
• Fuel System: Multiple options (in-tank, inline, force fuel)
• Intake Material: Aluminum
• Throttle Body Material: Cast aluminum
• Handheld Display: 4.5 inch color touch screen

HOW TO USE:

• Preparation: Disconnect the battery and remove the existing carburetor and intake manifold.
• Intake Installation: Install the FiTech intake manifold onto the LS engine, ensuring proper gasket placement and torque specifications.
• Fuel System Setup: Choose and install the desired fuel system (in-tank, inline, or force fuel) according to the provided instructions.
• Wiring Harness Connection: Connect the FiTech wiring harness to the engine sensors, injectors, coil packs, and ECU.
• Sensor Installation: Install the provided oxygen sensor, MAP sensor, IAT sensor, TPS sensor, and IAC motor.
• ECU Mounting: Mount the ECU in a suitable location within the engine compartment.
• Handheld Controller Setup: Connect the handheld controller and follow the on-screen instructions for initial setup and calibration.
• Initial Start-up: Reconnect the battery and start the engine. Allow the self-tuning ECU to learn and adjust fuel parameters.
• Fine-Tuning (Optional): Use the handheld controller to fine-tune fuel and spark settings as needed.

BENEFITS OF USING THE FITECH LS 500HP EFI LS3 RETURNLESS MODULE KIT W/ TC/COIL/LED (79811):

• Improved engine performance and throttle response.
• Enhanced fuel efficiency.
• Precise control over fuel and spark timing.
• Simplified setup with self-tuning capabilities.
• Flexibility with various fuel system options.
• Modernized engine control with electronic fuel injection.
• Transmission control for fine-tuning automatic transmissions.

FEATURES:

• Fabricated 3mm thick aluminum sheet metal intake manifold.
• Cast, cable activated billet aluminum 92mm throttle body.
• Sequential fuel and spark control with individual cylinder trim.
• Connects to 24x and 58x cam sensors.
• Knock sensor control connects to factory sensors.
• 3-Bar MAP sensor for boosted applications up to 30 psi.
• Tach output driver works with most tachometers.
• Two programmable electric fan outputs.
• Supplied with WBO2 sensors.
• Custom wiring harness for a direct plug-in installation.
• LS3 style ignition coils with LED indicators.