Description
The FiTech LS 750 HP EFI Long Intake w/ Pump & LS3 Style Coil (78708) provides a comprehensive solution for LS engine swaps. This kit simplifies the process by including all essential components for fuel delivery and ignition, designed to support up to 750 horsepower. It features a long runner cathedral intake manifold, a high-flow in-tank fuel pump, and LS3-style ignition coils, ensuring optimal performance and reliability. The system’s self-learning ECU and touchscreen controller allow for easy tuning and monitoring, making it suitable for both street and performance applications.
KEY FEATURES AND BENEFITS:
- Supports up to 750 horsepower, suitable for high-performance LS engines.
- Complete master kit includes intake manifold, fuel system, and ignition components.
- Long runner cathedral intake manifold for improved airflow.
- 340 LPH in-tank regulated fuel pump ensures consistent fuel delivery.
- LS3-style ignition coils for enhanced spark performance.
- Self-learning ECU maintains optimal air/fuel ratios.
- Handheld touchscreen controller for easy tuning and monitoring.
- Sequential fuel and spark control with individual cylinder trim.
- 3-Bar MAP sensor for boosted applications.
SPECIFICATIONS:
- Maximum Horsepower: 750 HP
- Injection Style: Multi-port
- Intake Material: Aluminum
- Throttle Body Size: 102mm
- Injector Size: 55 lbs/hr
- Fuel Pump: 340 LPH in-tank regulated
- ECU: Included
- Timing Control: Yes
- Power Adder Compatible: Yes (Boost/Nitrous)
- Metering Style: Speed density (Map-N)
HOW TO USE:
- Installation: Begin by installing the intake manifold and fuel rails onto the LS engine.
- Fuel System Setup: Install the in-tank fuel pump module into the fuel tank and connect the fuel lines.
- Ignition Setup: Mount the LS3-style ignition coils and connect the wiring harness.
- Wiring: Connect the main wiring harness to the ECU and all necessary sensors (MAP, IAT, TPS, O2).
- ECU Connection: Connect the handheld touchscreen controller to the ECU.
- Initial Setup: Power on the system and use the touchscreen controller to input basic engine parameters.
- Self-Learning: Allow the ECU to self-learn and adjust fuel/spark settings over time.
- Tuning: Fine-tune the system using the touchscreen controller as needed.
BENEFITS OF USING THE FITECH LS 750 HP EFI LONG INTAKE W/ PUMP & LS3 STYLE COIL (78708):
- Simplified LS engine swaps with a complete, integrated system.
- Improved engine performance and efficiency.
- Reliable fuel delivery and ignition.
- Easy tuning and monitoring through the touchscreen controller.
- Compatibility with boosted applications.
- Reduced time to complete an LS swap.
FEATURES:
- Fabricated 3mm thick aluminum sheet metal intake manifold.
- Cast, cable activated billet aluminum 102mm throttle body.
- High volume billet fuel rails.
- Connects to 24x and 58x cam sensors.
- Knock sensor control connects to factory sensors.
- Two programmable electric fan outputs.
- Supplied with WBO2 sensors.
- Custom wiring harness for a direct plug-in installation.
- Ability to use Alcohol, Methanol, and Gasoline.
- Go fuel tight fit fuel regulator compatible.






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