Description
The FiTech LS 500 HP EFI Short Intake 340LPH Kit w/ Trans Control (79702) provides a comprehensive electronic fuel injection solution for LS-based engines. Engineered to support approximately 500 horsepower, this kit simplifies LS engine swaps with self-tuning capabilities and integrated transmission control. It includes all necessary components for a complete EFI conversion, from the intake manifold to the ignition coils.
KEY FEATURES AND BENEFITS:
- High Power Support: Designed for LS engines with cathedral port heads, supporting up to 500 horsepower.
- Self-Learning ECU: Simplifies tuning and maintains optimal air/fuel ratios automatically.
- Integrated Transmission Control: For GM 4L60/65/80/85 transmissions, allows for shift point and firmness adjustments.
- Efficient Fuel Delivery: Includes a 92mm throttle body, 36 lb/hr injectors, and high-volume fuel rails.
- User-Friendly Display: Features a 4.5-inch touchscreen for easy system monitoring and adjustments.
- Reliable Fuel Pump: Comes with a 340 LPH in-tank regulated fuel pump.
- Complete Installation Kit: Includes ignition coils and all required sensors for a straightforward installation.
SPECIFICATIONS:
- Fuel Injection Style: Multi-port
- Maximum Horsepower: 500 HP
- Throttle Body Size: 92mm
- Injector Size: 36 lb/hr
- Fuel Pump: 340 LPH in-tank regulated
- Transmission Control: GM 4L60/65/80/85
- ECU: Included
- Display: 4.5 inch Touchscreen
- Intake: Short Cathedral port
- Ignition: LS3 style coils
HOW TO USE:
- Prepare the Engine: Ensure your LS engine is installed and ready for EFI conversion.
- Install the Intake Manifold: Mount the FiTech cathedral intake manifold onto the engine.
- Mount the Throttle Body: Attach the 92mm throttle body to the intake manifold.
- Install Fuel Rails and Injectors: Secure the fuel rails and install the 36 lb/hr injectors.
- Install the Fuel Pump: Mount the 340 LPH in-tank fuel pump in the fuel tank.
- Connect Sensors: Install and connect all provided sensors (MAP, IAT, TPS, O2).
- Install Ignition Coils: Mount the LS3-style ignition coils.
- Wire the Harness: Connect the custom wiring harness to the engine and ECU.
- Mount the ECU and Display: Secure the ECU and mount the touchscreen display.
- Initial Setup: Follow the touchscreen prompts for initial system setup and self-learning.
- Transmission Setup: If used, configure the transmission control settings through the touchscreen.
- Start and Tune: Start the engine and allow the self-learning feature to optimize fuel and spark.
- Fine Tune: If desired, make manual adjustments through the touchscreen.
BENEFITS OF USING THE FITEC LS 500 HP EFI SHORT INTAKE 340LPH KIT W/ TRANS CONTROL (79702):
- Simplified Engine Swaps: Provides a complete EFI solution for easy LS engine swaps.
- Improved Performance: Enhances engine performance and fuel efficiency.
- Easy Tuning: Tuning and adjustments are easily managed through the touchscreen interface.
- Reliable Fuel Delivery: High-quality components ensure dependable fuel delivery.
- Enhanced Driving Experience: Integrated transmission control improves drivability.
- No Carburetor Tuning Needed: Eliminates the complexities of carburetor tuning.
- Modernization: Upgrades older vehicles with state-of-the-art EFI technology.
FEATURES:
- Durable Intake Manifold: Fabricated 3mm thick aluminum sheet metal for strength and durability.
- High-Performance Throttle Body: Cast billet aluminum 92mm throttle body.
- Handheld Controller: Comes with a color touchscreen display for easy access.
- Self-Learning Technology: Automatically tunes the system for optimal performance.
- Sequential Control: Offers sequential fuel and spark control with individual cylinder trim.
- Sensor Compatibility: Connects to 24x and 58x cam sensors for accurate data.
- Knock Sensor Control: Integrates with factory sensors for enhanced engine safety.
- Tach Output Driver: Works with most tachometers for accurate RPM readings.
- Programmable Fan Outputs: Two outputs for managing electric fans effectively.
- WBO2 Sensors Included: For precise air-fuel ratio monitoring.
- Custom Wiring Harness: Designed for a direct plug-in installation to simplify setup.
- Transmission Control Options: Available for GM electronic transmissions.
- Go-Spark LS3 Style Ignition Coils: Included for improved ignition performance.
- 340 LPH In-Tank Regulated Fuel Pump Module: Ensures adequate fuel supply for performance applications.





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