Description
The FiTech LS 1000 HP EFI In-Tank Short Intake Kit w/Trans Control (79631) provides a complete electronic fuel injection solution for high-performance LS engines. Designed for cathedral port heads, this kit delivers precise fuel and spark control, supporting up to 1000 horsepower. It includes all necessary components for a comprehensive EFI conversion, from the intake manifold and throttle body to the fuel system and ignition.
KEY FEATURES AND BENEFITS:
- High Horsepower Support: Capable of handling up to 1000 horsepower, ideal for high-performance LS engine builds.
- Multi-Port Fuel Injection: Ensures precise fuel delivery and improved engine performance.
- Self-Learning Technology: Simplifies tuning and optimizes air/fuel ratios automatically.
- User-Tunable Capabilities: Allows for customized adjustments to meet specific performance needs.
- Complete Kit: Includes intake manifold, throttle body, ECU, fuel system, ignition coils, and sensors.
- Transmission Control: Supports 4L60/65/80/85 GM transmissions, enabling shift point and firmness adjustments.
- High-Flow Injectors: 80 lb/hr fuel injectors included for optimal fuel delivery.
SPECIFICATIONS:
- Fuel Injection Style: Multi-port
- Maximum Horsepower: 1000 HP
- Throttle Body Size: 102mm
- Injector Size: 80 lbs/hr
- Intake Manifold: Aluminum, cathedral port
- ECU: Included
- Fuel System: In-tank pump, regulator, fuel rails
- Transmission Control: Yes, for GM 4L60/65/80/85
- MAP Sensor: 3-Bar
- Display: 4.5-inch color touch screen
HOW TO USE:
- Preparation: Disconnect the vehicle’s battery. Remove the existing intake manifold, fuel system, and ignition components.
- Installation: Install the FiTech intake manifold onto the LS engine, ensuring proper gasket placement.
- Fuel System Setup: Mount the in-tank fuel pump module, connect the fuel lines, and install the fuel pressure regulator.
- Throttle Body and Sensors: Install the 102mm throttle body and connect the MAP, IAT, and TPS sensors.
- ECU and Wiring: Mount the ECU and connect the wiring harness, ensuring proper connections to all sensors, injectors, and ignition coils.
- Ignition Coil Installation: Install the LS3-style ignition coils and connect the wiring.
- Oxygen Sensor: Install the wideband oxygen sensor into the exhaust system.
- Touchscreen Setup: Connect the touchscreen display and mount it in a convenient location.
- Initial Setup: Follow the on-screen prompts to configure the ECU and perform initial setup.
- Tuning: Start the engine and allow the self-learning system to optimize the air/fuel ratios. Fine-tune as needed using the touchscreen display.
BENEFITS OF USING THE FITEC LS 1000 HP EFI IN-TANK SHORT INTAKE KIT W/TRANS CONTROL (79631):
- Improved Engine Performance: Boosts horsepower and efficiency through advanced fuel management.
- Precise Fuel and Spark Control: Optimizes engine performance for better drivability.
- Simplified Tuning: Self-learning technology allows for easy adjustments.
- Enhanced Throttle Response: Improves driving experience with quick throttle response.
- Complete Kit: Provides all necessary components for a seamless installation.
- Boost Capability: Supports boosted applications for increased performance.
FEATURES:
- Durable Intake Manifold: Fabricated 3mm thick aluminum sheet metal, TIG welded for strength.
- High-Performance Throttle Body: Cast, cable-activated billet aluminum 102mm throttle body.
- Handheld Controller: Features a color touch screen and cable, complete with a windshield mount.
- 80 lb/hr Injectors: Ensures sufficient fuel delivery for high-performance applications.
- High Volume Billet Fuel Rails: Provides reliable fuel supply for the engine.
- Knock Sensor Control: Connects to factory sensors for improved engine safety.
- Tach Output Driver: Works with most tachometers for accurate RPM readings.
- Programmable Electric Fan Outputs: Two outputs for controlling electric fans.
- Custom Wiring Harness: Designed for a direct plug-in installation, simplifying setup.





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