Description
The FiTech Rebel LS 500HP EFI Short Cath. InTank Pump & Coil w/LED (79688) is a comprehensive electronic fuel injection solution designed to enhance the performance and aesthetics of LS engine conversions. This kit provides all the necessary components for a complete EFI upgrade, offering improved fuel delivery, engine control, and a modern, clean look for your engine bay. It supports up to 500 horsepower applications and is compatible with E85 and boost/nitrous setups.
KEY FEATURES AND BENEFITS:
- Complete System: Includes intake manifold, ECU, sensors, throttle body, fuel rails, fuel pressure regulator, in-tank fuel pump module, and LS3 coil pack with LED set.
- Enhanced Performance: Optimizes fuel delivery and engine control, resulting in improved throttle response, horsepower, and fuel efficiency.
- Clean Design: Streamlined profile and redesigned fuel rail bracket for a modern and polished engine bay appearance.
- Boost and Nitrous Compatibility: Equipped with a 3-bar MAP sensor, supporting up to 27 PSI of boost.
- E85 Compatibility: Allows for flexible fuel options.
- Easy Installation: Designed specifically for LS engine conversions, minimizing installation time.
- In-Tank Fuel Pump Module: Adjustable for tank depths from 6″ to 15″, with a 340 LPH pump.
SPECIFICATIONS:
- Maximum Horsepower: 500 HP
- Injection Style: Multi-port
- Metering Style: Speed density (Map-N)
- Intake Manifold Material: Aluminum (Black Anodized)
- Throttle Body Flange: GM LS2 4-bolt
- Venturi Diameter: 92 mm (1250 cfm)
- Injector Size: 36 lbs/hr
- Fuel Pump Style: In-tank (340 LPH)
- Fuel Compatibility: Alcohol, Gasoline, Methanol, Flex
- Compatibility: LS Engine conversions
HOW TO USE:
- Prepare the Fuel Tank: Install the in-tank fuel pump module, adjusting the depth as needed.
- Mount the Intake Manifold: Attach the short cathedral intake manifold to the LS engine.
- Install the Fuel Rails and Injectors: Secure the fuel rails and connect the 36 lbs/hr injectors.
- Mount the Throttle Body: Attach the 92mm throttle body to the intake manifold.
- Connect the Sensors: Install and connect the MAP, IAT, TPS, and oxygen sensors.
- Install the LS3 Coils: Mount the LS3 coil pack with LED set.
- Connect the ECU and Wiring Harness: Connect the ECU and complete the wiring harness connections.
- Install the Fuel Pressure Regulator: Add the fuel pressure regulator into the fuel system.
- Connect the Fuel Lines: Connect the fuel supply and return lines using the provided fittings.
- Calibrate the System: Use the calibration module to set up the ECU for optimal performance.
BENEFITS OF USING FITECH REBEL LS 500HP EFI SHORT CATH. INTANK PUMP & COIL W/LED (79688):
- Improved engine performance and fuel efficiency.
- Simplified LS engine conversion process.
- Modernized engine bay appearance.
- Reliable and consistent fuel delivery.
- Flexibility with E85 and boost/nitrous compatibility.
FEATURES:
- Thicker gauge manifold for reduced injection noise.
- Redesigned fuel rail bracket for enhanced aesthetic.
- 3-bar MAP sensor for boost/nitrous applications.
- Adjustable in-tank fuel pump module.
- High-flow 92mm throttle body.
- Complete wiring harness with labeled connections.
- LS3 coil pack with LED set for ignition enhancement.
- Push-lock style AN fittings included.
- Dual fuel filter sock sizes included.





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