Description
The FiTech Rebel LS 750HP EFI Short Cath. T.Cntrl & LS3 Coil w/LED (79091) transforms LS engine conversions by replacing traditional carburetors with advanced electronic fuel injection. This kit provides a complete solution for managing fuel delivery and ignition, supporting engines up to 750 horsepower. It includes a short cathedral intake, transmission control, and an LS3 coil pack with LED set, enhancing both performance and engine bay aesthetics. Designed for enthusiasts seeking optimized performance and a clean, modern look, this system integrates seamlessly into LS engine swaps.
KEY FEATURES AND BENEFITS:
- 750 HP Support: Handles high-performance LS engines, ensuring optimal fuel delivery.
- Transmission Control: Facilitates electronic control of compatible transmissions, simplifying LS swaps.
- Complete Kit: Includes all necessary components for installation: intake manifold, ECU, sensors, throttle body, fuel rails, and more.
- Cleaner Engine Bay: Redesigned components provide a streamlined, modern appearance.
- Advanced Fuel Injection: Precise fuel delivery and optimized engine performance.
- E85 and Boost Compatibility: Versatile fuel and power adder support.
- Improved Performance: Enhanced throttle response, horsepower, and fuel efficiency.
SPECIFICATIONS:
- Maximum Horsepower: 750 HP
- Injection Style: Multi-port
- Metering Style: Speed density (MAP-N)
- Throttle Body: 102mm, 1500 cfm
- Injectors: 55 lbs/hr
- Fuel Compatibility: Alcohol, gasoline, methanol, flex fuel
- ECU Included: Yes
- Transmission Controller Included: Yes
- Intake Material: Aluminum
- Intake Finish: Black Anodized
- Fuel Rails Included: Yes
- MAP Sensor Included: Yes
- IAT Sensor Included: Yes
- TPS Sensor Included: Yes
- Oxygen Sensor Included: Yes
- Compatibility: LS Engine conversions, GM LS2 4-bolt throttle body mounting flange.
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 LS engine, ensuring proper gasket sealing.
- Sensor Installation: Mount the MAP, IAT, and TPS sensors according to the provided instructions.
- Fuel Rail and Injector Installation: Install the fuel rails and injectors, connecting them to the fuel lines and pressure regulator.
- Throttle Body Installation: Attach the 102mm throttle body to the intake manifold.
- ECU and Wiring Harness Connection: Mount the ECU and connect the wiring harness to the sensors, injectors, and other components.
- LS3 Coil Pack Installation: Mount the LS3 coil pack and connect the wiring.
- Transmission Control Setup: Connect the transmission control wiring and configure the ECU for transmission management.
- Oxygen Sensor Installation: Install the oxygen sensor in the exhaust system.
- Final Checks and Calibration: Verify all connections and calibrate the ECU using the provided module.
- Testing: Reconnect the battery and test the engine, making adjustments as needed.
BENEFITS OF USING FITECH REBEL LS 750HP EFI SHORT CATH. T.CNTRL & LS3 COIL W/LED (79091):
- Achieve optimized engine performance with precise fuel and ignition control.
- Simplify LS engine swaps with integrated transmission control.
- Enhance engine bay aesthetics with a clean, modern design.
- Support high-horsepower applications with a 750 HP rating.
- Improve fuel efficiency and throttle response.
- Versatile fuel compatibility, allowing for use of E85 and other fuels.
- Modernize older vehicles with up-to-date fuel injection technology.
FEATURES:
- Thicker gauge manifold for reduced injection noise.
- Redesigned fuel rail bracket for enhanced visual appeal.
- Integrated LED set on LS3 coil pack for visual feedback.
- 102mm throttle body with 1500 cfm airflow.
- 55 lbs/hr fuel injectors for high-flow fuel delivery.
- 3 Bar MAP sensor for boost/nitrous compatibility.
- Complete wiring harness with labeled connectors.
- Calibration module for easy ECU tuning.
- Aluminum intake manifold with black anodized finish.






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