FiTech LS 500 HP EFI LS3 Intake w/ Returnless Module & Coil (78811)

The FiTech LS 500 HP EFI LS3 Intake w/ Returnless Module & Coil (78811) is engineered to convert your LS engine to a modern electronic fuel injection system. This comprehensive kit provides the necessary components for a complete upgrade, enhancing performance, efficiency, and engine management. It includes a short LS3 port intake manifold, a 92mm throttle body, 36 lb/hr injectors, and various fuel delivery options to suit your specific needs. The self-learning ECU and user-friendly touchscreen display allow for easy tuning and precise control of your engine's performance.

KEY FEATURES AND BENEFITS:

• Supports up to 500 horsepower: providing a significant performance boost for your LS engine.
• Multi-port fuel injection: for precise fuel delivery and improved engine efficiency.
• Self-learning ECU: that adjusts to your engine's needs, optimizing air/fuel ratios.
• Multiple fuel delivery options: including in-tank and external pumps, for flexible installation.
• User-tunable: via a 4.5-inch touchscreen display, allowing for real-time adjustments.
• Complete kit: includes intake manifold, throttle body, injectors, sensors, and wiring harness.
• Timing control compatible: allowing for advanced engine tuning.
• Power adder compatible: supporting boosted applications up to 30 psi.

SPECIFICATIONS:

• Maximum Horsepower: 500 HP
• Injection Style: Multi-port
• Timing Control: Yes
• Power Adder: Yes (Boost/Nitrous oxide)
• ECU Included: Yes
• Fuel Pump: Included (various options)
• Intake Manifold: Aluminum, LS3 Port
• Throttle Body: 92mm, Cast Aluminum
• Injectors: 36 lbs/hr
• Fuel Type: Alcohol, Gasoline, Methanol, Flex
• Metering Style: Speed density (MAP-N)

HOW TO USE:

• Prepare the Engine: Remove the existing intake manifold and carburetor (if applicable).
• Install the Intake Manifold: Mount the FiTech LS3 port intake manifold onto the engine.
• Mount the Throttle Body: Attach the 92mm throttle body to the intake manifold.
• Install Fuel Injectors and Rails: Secure the 36 lb/hr injectors and fuel rails.
• Install Sensors: Mount the MAP, IAT, TPS, and oxygen sensors.
• Install Fuel Pump: Install the selected fuel pump option.
• Connect the Wiring Harness: Plug in the wiring harness to the ECU and all sensors.
• Connect the Coil Packs: Install the included coil packs and connect them to the wiring harness.
• Connect the Touchscreen Display: Connect the handheld touchscreen display to the ECU.
• Initial Setup: Follow the on-screen instructions to set up the ECU and perform initial tuning.
• Start the Engine: Start the engine and allow the self-learning ECU to adjust the fuel and spark settings.
• Fine-Tune: Use the touchscreen display to fine-tune the engine settings as needed.

BENEFITS OF USING THE FITECH LS 500 HP EFI LS3 INTAKE W/ RETURNLESS MODULE & COIL (78811):

• Improved engine performance and horsepower.
• Enhanced fuel efficiency and precise fuel control.
• Easier engine starting and smoother idle.
• User-friendly tuning with the touchscreen display.
• Modernized engine management for classic LS engines.
• Reliable performance in varied driving conditions.

FEATURES:

• Fabricated 3mm thick aluminum sheet metal intake manifold.
• Cast, cable activated billet aluminum 92mm throttle body.
• High volume billet fuel rails.
• 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.
• Tach output driver works with most tachometers.
• Two programmable electric fan outputs.
• WBO2 sensor included.
• LS3 style coil packs included.
• Multiple fuel pump options.