Description
The FiTech LS 750HP EFI Short Intake TC, Returnless Module & Coil (78804) simplifies LS engine conversions by providing a comprehensive solution for upgrading from carbureted to electronic fuel injection. Designed for high-performance applications, this kit supports up to 750 horsepower and includes all necessary components for a seamless installation.
KEY FEATURES AND BENEFITS:
- Supports up to 750 horsepower, ideal for high-performance LS engine builds.
- Multi-port fuel injection for improved power and efficiency.
- Includes a 102mm throttle body and 55 lb./hr injectors for optimal fuel delivery.
- Self-learning ECU for simplified tuning and optimal performance.
- Offers timing and transmission control capabilities.
- Compatible with boosted and nitrous oxide applications.
- Provides multiple fuel delivery options, including in-tank and external fuel pump modules.
- Features a color touchscreen display for easy user interface.
SPECIFICATIONS:
- Maximum Horsepower: 750 HP
- Injection Style: Multi-port
- Throttle Body: 102mm, 1450 cfm
- Injectors: 55 lbs./hr
- Fuel Pump: In-tank or external options
- ECU: Included
- Transmission Control: Yes (in select models)
- Intake Material: Aluminum
- Fuel Type: Alcohol, Gasoline, Methanol, Flex
HOW TO USE:
- Preparation: Disconnect the battery and remove the existing carbureted intake and fuel system.
- Intake Installation: Install the FiTech intake manifold onto the LS engine, ensuring proper gasket placement.
- Fuel System Setup: Choose and install the appropriate fuel pump module (in-tank or external) and connect fuel lines.
- Injector and Throttle Body Installation: Mount the 55 lb./hr injectors and the 102mm throttle body onto the intake.
- Wiring Harness Connection: Connect the FiTech wiring harness to the engine sensors, injectors, and ECU.
- ECU and Sensor Installation: Mount the ECU and connect the MAP, IAT, TPS, and oxygen sensors.
- Fuel Pressure Regulation: Install and adjust the fuel pressure regulator.
- Initial Setup: Connect the touchscreen display and follow the on-screen prompts for initial setup and calibration.
- Testing and Tuning: Start the engine and monitor performance. Use the self-learning feature for initial tuning, and fine-tune as needed.
BENEFITS OF USING THE FITECH LS 750HP EFI SHORT INTAKE TC, RETURNLESS MODULE & COIL (78804):
- Improved engine performance and power delivery.
- Enhanced fuel efficiency and drivability.
- Simplified LS engine conversion process.
- User-friendly interface for easy tuning and adjustments.
- Reliable and consistent performance in various operating conditions.
FEATURES:
- Fabricated 3mm thick aluminum sheet metal intake.
- Cast, cable activated billet aluminum throttle body.
- High volume billet fuel rails.
- Sequential fuel and spark control.
- Knock sensor control.
- 3-Bar MAP sensor for boosted applications.
- Two programmable electric fan outputs.
- LS3 style coil packs included.
- Choice of fuel delivery systems.
- Connects to 24x and 58x cam sensors.






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