Description
The FiTech Ultimate Rebel LS 500 HP EFI System w/ Trans Control (70089) is a comprehensive electronic fuel injection solution designed for LS engine conversions. This kit provides a modern fuel delivery system, improving engine performance, fuel efficiency, and the overall look of your engine bay. It includes all necessary components for a complete installation, with transmission control included.
KEY FEATURES AND BENEFITS:
- This system is engineered to upgrade LS engines with a modern EFI setup, offering improved fuel delivery, optimized engine performance, and a streamlined engine bay appearance.
- The kit includes a 92mm throttle body, 36 lb/hr injectors, and an ECU.
- Compatible with boost/nitrous applications (up to 27 PSI) and E85 fuel.
- Features comprehensive transmission control for enhanced drivability.
SPECIFICATIONS:
- Maximum Horsepower: 500 HP
- Injection Style: Multi-port
- Throttle Body: 92mm, GM LS2 4-bolt
- Injectors: 36 lb/hr
- Fuel Type: Gasoline, E85, Methanol, Alcohol
- MAP Sensor: 3 Bar (27 PSI)
- Transmission Control: Included
- Intake Material: Aluminum, Black Anodized
- Fuel Rails: Included
- ECU: Included
- Oxygen Sensors: Included
HOW TO USE:
- Begin by removing the existing intake manifold and fuel system from the LS engine.
- Install the FiTech Rebel LS intake manifold, ensuring proper gasket placement.
- Mount the 92mm throttle body onto the intake manifold.
- Install the 36 lb/hr injectors into the fuel rails and attach the fuel rails to the manifold.
- Connect the primary LS harness to the ECU and all sensors (MAP, IAT, TPS, oxygen sensors).
- Install the oxygen sensors into the exhaust system, using the provided bung kit.
- Connect the transmission control sub harness.
- Install the fuel pressure regulator and connect fuel lines.
- Connect the handheld monitor for tuning and diagnostics.
- Verify all connections and start the engine, using the handheld monitor to set up the EFI system.
BENEFITS OF USING THE FITECH ULTIMATE REBEL LS 500 HP EFI SYSTEM W/ TRANS CONTROL (70089):
- Improved engine performance and throttle response.
- Enhanced fuel efficiency.
- Modernized engine bay appearance.
- Compatibility with boost/nitrous and E85 fuel.
- Complete kit for easy installation.
- Transmission control is included for better drivability.
- User tunability for personalized performance adjustments.
FEATURES:
- Thicker gauge manifold for quieter injection.
- Redesigned fuel rail bracket for improved fitment.
- 36 lb/hr injectors for optimal fuel delivery.
- LS ECU included for efficient control.
- LS1 fuel rail kit for enhanced performance.
- Primary LS harness for easy connections.
- EV1 injector sub harness for compatibility.
- 3 Bar MAP sensor for accurate pressure readings.
- IAT sensor included for improved performance.
- LS1/LS2 knock sensor harness for engine protection.
- Go EFI clamp-on oxygen sensor bung kit for easy installation.
- Handheld monitor for ultimate tuning and diagnostics.
- Premium magnetic handheld mount for convenience.
- Rebel intake throttle cable brackets with round hole and GM cable notch.
- Go Fuel tight fit regulator with pressure gauge for precise fuel management.






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