Description
The FiTech LS 500HP EFI Long Intake Kit w/Trans Control & LS3 Coil (78407) provides a comprehensive solution for converting your LS engine to electronic fuel injection. Designed for engines producing up to 500 horsepower, this kit includes everything needed for a complete EFI upgrade, including intake manifold, fuel delivery system, ignition components, and electronic control.
KEY FEATURES AND BENEFITS:
- This kit offers multi-port fuel injection, self-tuning capabilities, and user-tunable settings for precise engine control.
- Includes an in-tank fuel pump module, return system, and LS3-style coil packs.
- The 4.5-inch display provides a user-friendly interface for monitoring and adjusting engine parameters.
- Compatibility with timing control and a built-in transmission controller enhances functionality.
- The 92mm throttle body and 36 lbs./hr. injectors ensure optimal airflow and fuel delivery.
- Sequential fuel and spark control with individual cylinder trim allows for fine-tuning performance.
- The 3-Bar MAP sensor supports boosted applications up to 30 psi.
SPECIFICATIONS:
- Fuel Injection Style: Multi-port
- Maximum Horsepower: 500 HP
- Timing Control: Yes
- ECM: Included
- Self Tuning: Yes
- Fuel System: In-tank pump module, return
- Ignition: Coil packs
- User Interface: 4.5 in. display
- Throttle Body: 92mm
- Injectors: 36 lbs./hr.
- MAP Sensor: 3-Bar
- Intake Material: Aluminum
- Transmission Control: Yes
HOW TO USE:
- Preparation: Disconnect the battery and remove the existing intake manifold and fuel system.
- Installation: Install the FiTech intake manifold, throttle body, and fuel rails.
- Fuel System: Mount the in-tank fuel pump module and connect the fuel lines.
- Wiring: Connect the wiring harness to the sensors, injectors, and ignition coils.
- ECU Setup: Mount the ECU and connect the display.
- Sensor Connections: Install and connect the oxygen sensor, MAP sensor, IAT sensor, TPS sensor, and IAC motor.
- Ignition: Install the LS3-style ignition coils and connect the wiring.
- Initial Setup: Power on the system and follow the on-screen prompts to configure the initial settings.
- Self-Tuning: Allow the system to self-tune during initial operation.
- Fine-Tuning: Use the display to adjust settings as needed for optimal performance.
BENEFITS OF USING THE FITECH LS 500HP EFI LONG INTAKE KIT W/TRANS CONTROL & LS3 COIL (78407):
- Improved engine performance and throttle response.
- Enhanced fuel efficiency through precise fuel delivery.
- Simplified LS engine conversions with a complete kit.
- User-friendly interface for easy monitoring and adjustments.
- Compatibility with boosted applications.
- More engine control than carbureted systems.
- Ability to run different types of fuels.
FEATURES:
- Fabricated 3mm thick aluminum sheet metal and TIG welded intake.
- Cast, cable activated billet aluminum 92mm throttle body.
- Handheld controller with color touch screen and cable.
- Windshield mount for touch screen controller.
- High volume billet fuel rails.
- Connects to 24x and 58x cam sensors.
- Knock sensor control connects to factory sensors.
- Tach output driver works with most tachometers.
- Two programmable electric fan outputs.
- Option of various fuel pump configurations.





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