Description
The FiTech Rebel LS 500HP EFI Cath. Intake, T.Control & Force Fuel (75289) is a complete Electronic Fuel Injection (EFI) system designed to upgrade LS engines. This kit replaces traditional carburetor setups with a modern, efficient fuel injection system, offering improved engine performance and drivability. It features a short cathedral intake manifold, transmission control, and a Force Fuel Master Kit, capable of handling up to 500 horsepower. This system provides precise fuel delivery and engine management, making it suitable for various applications, including those with power adders.
KEY FEATURES AND BENEFITS:
- Multi-port fuel injection: For precise fuel delivery.
- Transmission control: For electronic transmission management.
- Capable of handling up to 500 horsepower.
- Includes a short cathedral intake manifold.
- Comes with a Force Fuel Master Kit.
- Supports various fuel types: Gasoline, alcohol, methanol, and flex fuel.
- Includes ECU, fuel pump, and all necessary sensors.
- Compatible with power adders: Like boost and nitrous oxide.
- Improves engine performance and drivability.
SPECIFICATIONS:
- Maximum Horsepower: 500 HP
- Injection Style: Multi-port
- Timing Control Compatible: Yes
- Power Adder Compatible: Yes
- Power Adder Type: Boost/Nitrous oxide
- ECU Included: Yes
- Fuel Pump Included: Yes
- Transmission Controller Included: Yes
- Metering Style: Speed density (Map-N)
- Intake Manifold Included: Yes
- Intake Material: Aluminum
- Intake Finish: Black Anodized
- Throttle Body Mounting Flange: GM LS2 4-bolt
- Venturi Diameter: 92 mm
- Airflow Rate: 1250 cfm
- Injector Size: 36 lbs/hr
- Fuel Type: Alcohol, Gasoline, Methanol, Flex Fuel
- Compatibility: Standard Deck LS Engines
HOW TO USE:
- Preparation: Disconnect the vehicle’s battery and remove the existing carburetor and intake manifold.
- Intake Manifold Installation: Install the FiTech short cathedral intake manifold onto the engine.
- Fuel System Installation: Mount the external fuel pump and install the fuel pressure regulator, connecting the fuel lines.
- Throttle Body and Injector Installation: Mount the 92 mm throttle body and install the 36 lbs/hr injectors onto the fuel rails.
- Sensor Installation: Install the MAP, IAT, TPS, and oxygen sensors as per the provided instructions.
- ECU and Wiring Harness Connection: Connect the ECU and wiring harness to the sensors and injectors.
- Transmission Controller Connection: Connect the transmission controller to the vehicle’s transmission.
- Calibration: Use the included calibration module to set up the EFI system according to your engine specifications.
- Testing: Reconnect the battery and start the engine. Check for fuel leaks and ensure proper engine operation.
BENEFITS OF USING THE FITECH REBEL LS 500HP EFI CATH. INTAKE, T.CONTROL & FORCE FUEL (75289):
- Enhanced Engine Performance: Improved throttle response and power.
- Improved Fuel Efficiency: Compared to carburetor systems.
- Precise Control: Over fuel delivery and engine management.
- Ability to Handle High Horsepower: Applications easily.
- Compatibility with Various Fuel Types.
- Electronic Control: Of compatible transmissions.
- Simplified Engine Tuning.
FEATURES:
- 92 mm throttle body for increased airflow.
- 36 lbs/hr fuel injectors for optimal fuel delivery.
- External fuel pump for consistent fuel pressure.
- Included transmission control module.
- Complete wiring harness.
- Speed density (MAP-N) metering for accurate fuel calculations.
- Black anodized finish on intake and throttle body.
- Calibration module for engine tuning.
- Oxygen sensor included for monitoring exhaust gases.





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