Description
The FiTech LS 500HP EFI LS3 Intake Kit w/ Trans Control & LS3 Coil (78412) provides a comprehensive solution for upgrading your LS engine to electronic fuel injection. This kit offers a complete system, including intake manifold, fuel delivery, ECU, and transmission control, designed for engines producing up to 500 horsepower. It simplifies the process of LS engine swaps by providing a self-tuning system that adapts to your engine’s needs.
KEY FEATURES AND BENEFITS:
- This kit features a self-learning ECU that adjusts fuel and spark settings for optimal performance.
- Includes transmission control for GM 4L60, 4L65, 4L80, and 4L85 transmissions, allowing for precise shift point and firmness adjustments.
- The system supports up to 500 horsepower and includes an intake manifold with a 92mm throttle body, 36 lbs/hr injectors, and an in-tank fuel pump module.
- The kit also includes all necessary sensors and a touchscreen controller for easy setup and monitoring.
SPECIFICATIONS:
- Maximum Horsepower: 500 HP
- Injection Style: Multi-port
- Timing Control: Yes
- Power Adder Compatible: Boost/Nitrous oxide
- ECU Included: Yes
- Fuel Pump: In-tank
- Transmission Controller: Yes
- Metering Style: Speed density (MAP-N)
- Intake Material: Aluminum
- Throttle Body: 92mm, GM LS2 4-bolt
- Injector Size: 36 lbs/hr
- Fuel Type: Alcohol, Gasoline, Methanol, Flex
HOW TO USE:
- Installation: Install the intake manifold, throttle body, and fuel rails onto the LS engine.
- Fuel System Setup: Install the in-tank fuel pump module and connect the fuel lines.
- Wiring: Connect the wiring harness to the engine sensors, injectors, and ECU.
- Transmission Control (if applicable): Connect the transmission control wiring to the transmission.
- Sensor Connections: Connect all sensors (MAP, IAT, TPS, O2) to the wiring harness.
- ECU Setup: Connect the touchscreen controller and follow the on-screen instructions for initial setup.
- Initial Start-up: Start the engine and allow the self-learning ECU to begin adjusting fuel and spark settings.
- Fine-Tuning: Monitor engine parameters using the touchscreen controller and make adjustments as needed.
BENEFITS OF USING THE FITECH LS 500HP EFI LS3 INTAKE KIT W/ TRANS CONTROL & LS3 COIL (78412):
- Simplified LS engine swaps with a complete EFI system.
- Improved engine performance and drivability.
- Precise fuel and spark control with the self-learning ECU.
- Enhanced transmission control for optimized shifting.
- Easy setup and monitoring with the touchscreen controller.
- Reliable fuel delivery with the included in-tank fuel pump.
FEATURES:
- Fabricated 3mm thick aluminum sheet metal intake manifold.
- Cast, cable activated billet aluminum 92mm throttle body.
- Handheld controller with color touch screen and cable.
- LS ECU with self-learning technology.
- 36 lb./hr. injectors and high volume billet fuel rails.
- Sequential fuel and spark control with individual cylinder trim.
- Connects to 24x and 58x cam sensors.
- Knock sensor control connects to factory sensors.
- 3-Bar MAP sensor for boosted applications up to 30 psi.
- Tach output driver works with most tachometers.
- Two programmable electric fan outputs.
- Supplied with WBO2 sensors.
- Custom wiring harness for a direct plug-in installation.
- LS3 style coil packs included.






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