Description
The FiTech Rebel LS 500HP EFI Short Cathedral & LS3 Coil Pack Set (78088) offers a complete solution for upgrading LS engines to modern electronic fuel injection. This kit is designed to provide precise fuel delivery and improved performance, supporting up to 500 horsepower. It includes a short cathedral intake manifold, LS3 coil pack set, and all necessary electronic components for a streamlined installation.
KEY FEATURES AND BENEFITS:
- Provides multi-port fuel injection for improved engine efficiency and performance.
- Supports up to 500 horsepower, suitable for performance applications.
- Includes a short cathedral intake manifold for optimized airflow.
- Comes with an LS3 coil pack set for reliable ignition.
- Features a self-tuning ECU for simplified setup and adjustments.
- Compatible with power adders like boost and nitrous oxide.
- Supports various fuel types, including alcohol, gasoline, methanol, and flex fuel.
SPECIFICATIONS:
- Maximum Horsepower: 500 HP
- Injection Style: Multi-port
- Metering Style: Speed density (MAP-N)
- Intake Manifold Material: Aluminum, Black Anodized
- Throttle Body: 92mm, GM LS2 4-bolt
- Injectors: 36 lbs/hr
- Fuel Compatibility: Alcohol, Gasoline, Methanol, Flex
- ECU: Included
- Wiring Harness: Included
- Sensors: MAP, IAT, TPS, Oxygen
- Compatibility: LS engines with standard deck height
- Coil Packs: LS3 Included
HOW TO USE:
- Preparation: Disconnect the battery and remove the existing intake and carburetor system.
- Intake Installation: Install the FiTech short cathedral intake manifold onto the engine, ensuring proper gasket sealing.
- Fuel Rail and Injector Installation: Mount the fuel rails and install the 36 lbs/hr injectors.
- Throttle Body Installation: Attach the 92mm throttle body to the intake manifold.
- Sensor Installation: Install the MAP, IAT, TPS, and oxygen sensors as per the wiring harness instructions.
- Coil Pack Installation: Mount the LS3 coil packs and connect them to the wiring harness.
- ECU and Wiring: Connect the ECU and complete the wiring harness connections.
- Fuel System: Connect the fuel lines (fuel pump and pressure regulator are required, but not included).
- Calibration: Use the included calibration module to set up the ECU.
- Testing: Reconnect the battery and start the engine, making any necessary adjustments to the tuning.
BENEFITS OF USING THE FITECH REBEL LS 500HP EFI SHORT CATHEDRAL & LS3 COIL PACK SET (78088):
- Improved Engine Performance: Enhanced throttle response and power output.
- Enhanced Fuel Efficiency: Precise fuel delivery for consistent performance.
- Simplified Tuning: Self-tuning ECU makes adjustments easy.
- Reliable Ignition: LS3 coil pack set ensures dependable starting and operation.
- Versatile Fuel Compatibility: Suitable for various fuel types and applications.
- Modernizes Older Engines: Upgrades to advanced fuel injection technology.
FEATURES:
- Black anodized aluminum intake manifold for a sleek look and durability.
- Large 92mm throttle body for increased airflow.
- High-flow 36 lbs/hr fuel injectors for optimal fuel delivery.
- Complete wiring harness with labeled connections for easy installation.
- Included calibration module for straightforward tuning.
- Speed density fuel calculations for accurate performance management.
- Ability to add power adders for increased horsepower.
- Complete sensor package for comprehensive engine monitoring.





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