Description

The FiTech LS 500 HP EFI Long Intake Master Kit w/ LS3 Style Coil (78406) provides a comprehensive solution for upgrading your LS engine to electronic fuel injection. This kit is designed for standard deck LS engines with cathedral port cylinder heads, offering a complete induction system with self-tuning capabilities. It supports up to 500 horsepower and is compatible with various fuel types, including gasoline, alcohol, methanol, and flex fuel.

KEY FEATURES AND BENEFITS:

• This kit simplifies the conversion to EFI by including all necessary components: intake manifold, fuel rails, 36 lb/hr injectors, ECU, sensors, wiring harness, and an in-tank fuel pump.
• The self-tuning ECU adjusts fuel delivery based on real-time engine conditions, making installation and operation straightforward.
• The 92mm throttle body and 1250 CFM airflow rate ensure optimal performance.
• Compatibility with boost and nitrous oxide allows for further power enhancements.
• The speed density metering style (Map-N) provides accurate fuel calculations.

SPECIFICATIONS:

• Maximum Horsepower: 500 HP
• Injection Style: Multi-port
• Timing Control Compatible: Yes
• Power Adder Compatible: Yes (Boost/Nitrous oxide)
• ECU Included: Yes
• Fuel Pump Included: Yes (In-tank)
• Metering Style: Speed density (Map-N)
• Intake Manifold Material: Aluminum (Black Anodized)
• Throttle Body: 92mm (Cast Aluminum, Black)
• Injectors: 36 lbs./hr
• Airflow Rate: 1250 cfm
• Fuel Type: Alcohol, Gasoline, Methanol, Flex
• Cathedral port intake manifold
• GM LS2 4 bolt throttle body flange.

HOW TO USE:

• Preparation: Disconnect the battery and remove the existing intake manifold and fuel system.
• Installation: Mount the FiTech intake manifold onto the cylinder heads, ensuring proper gasket alignment.
• Fuel System: Install the included fuel rails and 36 lb/hr injectors. Mount the in-tank fuel pump within the fuel tank. Connect the fuel lines and fuel pressure regulator.
• Sensors: Install the MAP, IAT, TPS, and oxygen sensors according to the provided instructions.
• Wiring: Connect the wiring harness to the sensors, injectors, ECU, and power sources. Follow the wiring diagram for accurate connections.
• ECU Setup: Mount the ECU in a suitable location. Connect the calibration module.
• Initial Start: Double-check all connections and fill the fuel tank. Reconnect the battery. Start the engine and allow the self-tuning ECU to adjust fuel delivery.
• Fine-Tuning: Monitor engine performance and make necessary adjustments using the calibration module.

BENEFITS OF USING THE FITECH LS 500 HP EFI LONG INTAKE MASTER KIT W/ LS3 STYLE COIL (78406):

• Simplified EFI conversion for LS engines.
• Improved engine performance and efficiency.
• Self-tuning capabilities for easy operation.
• Wide fuel compatibility for various applications.
• Complete kit eliminates the need for separate component purchases.
• Accurate fuel metering for optimal combustion.
• Increased horsepower potential.

FEATURES:

• Black anodized aluminum intake manifold.
• Cast aluminum 92mm throttle body.
• 36 lb/hr fuel injectors.
• In-tank fuel pump included.
• Speed density (Map-N) fuel metering.
• Comprehensive sensor package (MAP, IAT, TPS, Oxygen).
• Complete wiring harness.
• Calibration module included.
• Compatible with standard deck LS engines.
• Designed for cathedral port cylinder heads.