Description
The FiTech Rebel 750HP EFI Cath TC, InTank Pump, Reg & Coil w/ LED (79691) is a comprehensive electronic fuel injection solution designed to enhance the performance and efficiency of LS engines. This complete kit provides everything necessary for a modern fuel injection upgrade, including a short cathedral intake, transmission control, an in-tank pump module, a Go Fuel regulator, and LS3 coil packs with LED. This system is engineered to deliver precise fuel delivery and optimized engine control, making it ideal for high-performance applications and LS engine conversions.
KEY FEATURES AND BENEFITS:
- This system is designed to provide a complete electronic fuel injection solution for LS engines, offering improved performance and efficiency over traditional carburetors.
- It is rated for up to 750 horsepower, making it suitable for high-performance applications.
- The kit includes all essential components for EFI conversion, such as the intake manifold, ECU, sensors, throttle body, wiring harness, fuel rails, and fuel pressure regulator.
- The in-tank fuel pump module ensures a reliable high-pressure fuel supply.
- The transmission controller allows for seamless integration with compatible transmissions.
- The system is also compatible with boost and nitrous applications, thanks to the included 3 Bar MAP sensor.
SPECIFICATIONS:
- Maximum Horsepower: 750 HP
- Injection Style: Multi-port
- Timing Control: Yes
- Power Adder Compatibility: Boost/Nitrous oxide
- ECU Included: Yes
- Fuel Pump Included: In-tank fuel pump (340 LPH)
- Transmission Controller Included: Yes
- Metering Style: Speed density (Map-N)
- Intake Manifold Material: Aluminum
- Intake Finish: Black Anodized
- Throttle Body Mounting Flange: GM LS2 4-bolt
- Injectors: 55 lbs/hr
- Fuel Type: Alcohol, Gasoline, Methanol, Flex
- Compatibility: LS engines
HOW TO USE:
- Preparation: Disconnect the vehicle’s battery and remove the existing intake and fuel system components.
- Installation of Intake Manifold: Mount the provided short cathedral intake manifold onto the LS engine, ensuring a proper seal.
- Fuel System Installation: Install the in-tank fuel pump module into the fuel tank, connect the fuel lines to the Go Fuel regulator, and attach the fuel rails to the intake manifold.
- Sensor and Wiring Harness Installation: Mount the included sensors (MAP, IAT, TPS, Oxygen) and connect them to the ECU using the provided wiring harness.
- ECU and Transmission Control Setup: Mount the ECU and connect it to the transmission controller (if applicable). Configure the ECU settings using the handheld calibration module.
- LS3 Coil Pack Installation: Install the LS3 coil packs with LED, connecting them to the wiring harness.
- Final Checks: Verify all connections, check for leaks, and ensure proper grounding.
- Initial Startup and Tuning: Reconnect the battery, start the engine, and use the calibration module to fine-tune the fuel and timing settings.
BENEFITS OF USING THE FITECH REBEL 750HP EFI CATH TC, INTANK PUMP, REG & COIL W/ LED (79691):
- Improved engine performance and throttle response.
- Enhanced fuel efficiency and optimized fuel delivery.
- Simplified installation process for LS engine conversions.
- Compatibility with high-performance applications, including boost and nitrous.
- Modernized engine bay aesthetics with a sleek and refined design.
- Reliable high-pressure fuel delivery with the included in-tank pump.
- Precise engine control through the advanced ECU and sensor system.
FEATURES:
- Thicker gauge manifold for reduced injection noise.
- Redesigned fuel rail bracket for enhanced visual appeal.
- 3 Bar MAP sensor for boost/nitrous compatibility.
- E85 fuel compatibility for flexible fuel options.
- Low-profile billet aluminum top on the in-tank pump module.
- LS3 style coils with sealed, locking connectors.
- 102 mm throttle body.
- 1500 cfm airflow rate.





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