Description
The FiTech Ultimate LS 750 HP EFI Short Intake w/ Master Kit (76303) provides a comprehensive solution for upgrading your LS engine. This kit is designed for cathedral port cylinder heads and supports up to 750 horsepower. It includes all necessary components for a complete electronic fuel injection conversion, simplifying the process and enhancing engine performance.
KEY FEATURES AND BENEFITS:
- Complete Multi-Port Fuel Injection System: Features a short cathedral intake manifold and a 102mm throttle body.
- High-Performance Injectors: Comes with 55 lb/hr fuel injectors for optimal fuel delivery.
- Reliable Fuel Delivery: In-tank fuel pump module ensures consistent fuel supply.
- User-Friendly Setup: Handheld touchscreen controller with self-learning EFI technology for optimized performance.
- Comprehensive Kit: Includes a user-tunable ECU, wiring harness, and all required sensors.
SPECIFICATIONS:
- Fuel Injection Style: Multi-port
- Maximum Horsepower: 750 HP
- Throttle Body: 102mm, GM LS2 4-bolt
- Injectors: 55 lbs/hr
- Fuel System: In-tank fuel pump module, returnless
- Metering Style: Speed density
- Intake Material: Aluminum, black anodized
- User Interface: 4.5-inch touchscreen
- ECU: Included
- Oxygen Sensor: Included
- MAP Sensor: Included
- IAT Sensor: Included
- TPS Sensor: Included
HOW TO USE:
- Preparation: Remove the existing intake manifold and fuel system from the LS engine.
- Installation of Intake: Install the FiTech short cathedral intake manifold onto the cylinder heads.
- Throttle Body Mounting: Attach the 102mm throttle body to the intake manifold.
- Injector Installation: Install the 55 lb/hr injectors into the fuel rails and connect the fuel lines.
- Fuel Pump Installation: Install the in-tank fuel pump module.
- Sensor Connections: Connect all necessary sensors, including the MAP, IAT, TPS, and oxygen sensors.
- Wiring Harness Connection: Connect the FiTech wiring harness to the sensors, injectors, and ECU.
- ECU Mounting: Secure the ECU in a suitable location.
- Touchscreen Setup: Connect the handheld touchscreen controller and mount it in a convenient location.
- Initial Setup: Follow the on-screen prompts to configure the ECU and initiate the self-learning process.
- Fine Tuning: Once the engine is running, use the touchscreen controller to monitor and adjust parameters as needed.
BENEFITS OF USING THE FITEC ULTIMATE LS 750 HP EFI SHORT INTAKE W/ MASTER KIT (76303):
- Simplified LS Engine Upgrade: A complete EFI system streamlines installation.
- Improved Performance: Enhances engine performance and drivability.
- Precise Fuel Delivery: Multi-port injection ensures optimal fuel distribution.
- Optimized Air/Fuel Ratios: Achieved through self-learning technology.
- User-Tunable Parameters: Allows for customized performance adjustments.
- Reliable Fuel Delivery: In-tank fuel pump module provides consistent operation.
- Easy Installation: Comprehensive kit includes everything needed for setup.
FEATURES:
- Fabricated 3mm Thick Aluminum Intake: Made from sheet metal and TIG welded for durability.
- Cast, Cable Activated Billet Aluminum 102mm Throttle Body: Optimized for high airflow.
- Handheld Controller: Color touchscreen with cable and windshield mount for easy access.
- Sequential Fuel and Spark Control: Provides individual cylinder trim for precise management.
- Compatible with 24x and 58x Cam Sensors: Ensures accurate engine timing.
- Knock Sensor Control: Connects to factory sensors for enhanced engine protection.
- 3-Bar MAP Sensor: Supports boosted applications up to 30 psi.
- Tach Output Driver: Works with most tachometers for accurate readings.
- Two Programmable Electric Fan Outputs: For effective cooling management.
- Custom Wiring Harness: Direct plug-in installation for convenience.
- Compatible with Alcohol, Gasoline, Methanol, and Flex Fuel: Versatile fuel options.





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