Description
The FiTech LS 500 HP EFI Long Intake 340LPH Kit w/ Trans Control (79707) offers a comprehensive upgrade for LS engines, providing improved fuel delivery and engine control. This kit includes all the necessary components for a complete electronic fuel injection conversion, supporting up to 500 horsepower.
KEY FEATURES AND BENEFITS:
- Multi-Port Injection: Provides electronic fuel injection for LS engines, enhancing performance.
- Long Runner Intake: Features a long runner cathedral intake manifold for optimized airflow.
- Power Support: Supports up to 500 horsepower with gasoline.
- Advanced ECU: Includes a self-tuning and user-tunable ECU for precise engine management.
- Transmission Control: Offers control for 4L60/65/80/85 GM transmissions.
- Fuel Pump: Comes with a 340 LPH in-tank regulated fuel pump for reliable delivery.
- User-Friendly Display: Features a 4.5-inch color touchscreen for easy monitoring and adjustments.
- Sequential Control: Provides sequential fuel and spark control with individual cylinder trim.
- Comprehensive Sensors: Includes all necessary sensors, such as oxygen, MAP, IAT, TPS, and IAC.
SPECIFICATIONS:
- Fuel Injection Style: Multi-port
- Maximum Horsepower: 500 HP
- Throttle Body Size: 92mm
- Injector Size: 36 lbs./hr.
- Fuel Pump: 340 LPH in-tank regulated
- ECU: Included, self-tuning and user-tunable
- Display: 4.5-inch color touchscreen
- Intake Material: Aluminum
- Transmission Control: Yes, for 4L60/65/80/85 GM transmissions
HOW TO USE:
- Prepare the Engine: Remove the existing intake manifold and fuel system.
- Install the Intake: Mount the FiTech long runner cathedral intake manifold onto the engine.
- Mount the Throttle Body: Attach the 92mm throttle body to the intake manifold.
- Install Fuel Rails and Injectors: Mount the fuel rails and install the 36 lbs./hr. injectors.
- Install the Fuel Pump: Place the 340 LPH in-tank fuel pump into the fuel tank.
- Connect Sensors: Install and connect the oxygen, MAP, IAT, TPS, and IAC sensors.
- Connect Ignition Coils: Install and connect the LS3-style ignition coils.
- Install the ECU: Mount the ECU and connect the wiring harness.
- Connect the Display: Connect the 4.5-inch touchscreen display.
- Initial Setup: Follow the on-screen prompts to set up the ECU and perform initial tuning.
- Final Adjustments: After initial running, make any required tuning adjustments using the touchscreen.
BENEFITS OF USING THE FITEC LS 500 HP EFI LONG INTAKE 340LPH KIT W/ TRANS CONTROL (79707):
- Enhanced Performance: Improved engine performance and horsepower.
- Increased Fuel Efficiency: Enhances overall fuel efficiency.
- Precise Management: Self-tuning and user-tunable ECU for effective engine control.
- Easy Monitoring: Touchscreen display for straightforward adjustments.
- Simplified Installation: Comes with a custom wiring harness for easy setup.
- Reliable Delivery: Ensures reliable fuel delivery with the included 340 LPH in-tank pump.
- Integrated Control: Provides integrated transmission control for improved drivability.
FEATURES:
- Durable Intake Manifold: Fabricated 3mm thick aluminum sheet metal for strength.
- Throttle Body: Cast, cable-activated billet aluminum 92mm throttle body.
- Handheld Controller: Comes with a color touch screen and cable.
- Windshield Mount: Included for the touch screen controller.
- LS ECU: Included with a 3-Bar MAP sensor.
- High Volume Fuel Rails: Designed for optimal fuel delivery.
- Sensor Compatibility: Connects to 24x and 58x cam sensors.
- Knock Sensor Control: Integrates with factory sensors for safety.
- Tach Output Driver: Works with most tachometers for RPM readings.
- Programmable Electric Fan Outputs: Two outputs for managing electric fans.
- WBO2 Sensors Included: For precise air-fuel ratio monitoring.
- Custom Wiring Harness: Facilitates direct plug-in installation.
- Ignition Coils: 8 LS3 style ignition coils with LED indicators included.






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