Description
The FiTech Rebel LS 750HP EFI Cath Intake, InTank Mod, Regu & Coil (78690) is a comprehensive electronic fuel injection solution designed for high-performance LS engines. This kit provides all the necessary components to convert your engine to a modern, efficient, and powerful fuel injection system. It includes a short cathedral intake manifold, an in-tank fuel pump module, a Go Fuel regulator, and an LS3 coil pack set. The system is engineered to support up to 750 horsepower and is compatible with a variety of fuel types, including gasoline, alcohol, methanol, and flex fuel. It utilizes speed density (Map-N) tuning for precise fuel management and features a 102mm throttle body for optimal airflow.
KEY FEATURES AND BENEFITS:
- Supports high horsepower applications up to 750 HP.
- Allows for precise fuel and timing control for enhanced performance.
- Multi-port injection system ensures even fuel distribution to each cylinder.
- Included in-tank fuel pump and regulator maintain consistent fuel pressure.
- LS3 coil packs provide a strong and reliable spark.
- Compatible with power adders like boost and nitrous oxide.
SPECIFICATIONS:
- Maximum Horsepower: 750 HP
- Injection Style: Multi-port
- Timing Control: Compatible
- Power Adder: Compatible (Boost/Nitrous oxide)
- ECU: Included
- Fuel Pump: Included (In-tank)
- Transmission Controller: No
- Metering Style: Speed density (Map-N)
- Intake Manifold: Included (Short Cathedral)
- Intake Material: Aluminum (Black Anodized)
- Throttle Body: 102mm (GM LS2 4-bolt)
- Injectors: 55 lbs/hr
- Fuel Compatibility: Gasoline, Alcohol, Methanol, Flex Fuel
- Compatibility: LS Series Engines
HOW TO USE:
- Preparation: Disconnect the battery and remove the existing intake manifold and fuel system components.
- Fuel System Installation: Install the in-tank fuel pump module and connect the fuel lines to the Go Fuel regulator.
- Intake Manifold Installation: Mount the short cathedral intake manifold onto the engine, ensuring a proper seal.
- Throttle Body Installation: Attach the 102mm throttle body to the intake manifold.
- Injector Installation: Install the 55 lbs/hr injectors into the fuel rails and connect them to the wiring harness.
- Coil Pack Installation: Mount the LS3 coil packs and connect them to the wiring harness.
- Sensor Installation: Install the MAP, IAT, TPS, and oxygen sensors.
- ECU and Wiring: Connect the ECU and wiring harness, ensuring all connections are secure.
- Calibration: Use the included calibration module to set the initial parameters.
- Testing: Start the engine and verify proper operation. Fine-tune the system as needed.
BENEFITS OF USING THE FITECH REBEL LS 750HP EFI CATH INTAKE, INTANK MOD, REGU & COIL (78690):
- Enhanced Engine Performance: Precise fuel and timing control result in improved horsepower and torque.
- Improved Fuel Efficiency: Multi-port injection ensures efficient fuel delivery.
- Reliable Operation: Consistent fuel pressure and strong ignition provide dependable performance.
- Flexibility: Compatible with various fuel types and power adders.
- Complete Kit: All necessary components are included for a straightforward installation.
FEATURES:
- Black Anodized Aluminum Intake Manifold for durability and aesthetics.
- High-Flow 102mm Throttle Body for optimal airflow.
- 55 lbs/hr Fuel Injectors for precise fuel delivery.
- In-Tank Fuel Pump Module for reliable fuel delivery.
- Go Fuel Pressure Regulator for maintaining fuel pressure.
- LS3 Style Ignition Coils for improved spark performance.
- Speed Density (MAP-N) Fuel Management for accurate tuning.
- Comprehensive Wiring Harness for easy installation.
- Included Calibration Module for initial setup.
- Oxygen, Manifold Absolute Pressure, Intake Air Temperature, and Throttle Position Sensors included for complete monitoring.






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