Description
The FiTech LS 750 HP EFI LS3 w/ Trans Control & Regulated Pump Kit (76614) provides a comprehensive solution for LS engine swaps. This kit includes a short LS3 port intake manifold, 102mm throttle body, 55 lb/hr injectors, and a 340 LPH in-tank fuel pump. The system features self-learning technology, transmission control, and compatibility with boosted applications. This kit streamlines the installation process, offering a complete package for high-performance LS engines.
KEY FEATURES AND BENEFITS:
- Supports up to 750 horsepower, suitable for high-performance LS engines.
- Includes a complete intake manifold and fuel delivery system for easy installation.
- Features self-learning EFI technology for optimal fuel and air ratios.
- Integrated transmission control for 4L60/65/80/85 GM transmissions.
- 3-Bar MAP sensor for boosted applications up to 30 psi.
- Includes a handheld controller with a color touch screen for easy tuning.
- Sequential fuel and spark control with individual cylinder trim.
- Compatible with 24x and 58x cam sensors.
- Knock sensor control connects to factory sensors.
SPECIFICATIONS:
- Maximum Horsepower: 750 HP
- Injection Style: Multi-port
- Metering Style: Speed density (Map-N)
- Throttle Body: 102mm, GM LS2 4-bolt
- Injectors: 55 lbs/hr
- Fuel Pump: 340 LPH in-tank
- Intake Material: Aluminum, black anodized
- Transmission Control: Yes (4L60/65/80/85 GM)
- MAP Sensor: 3 Bar
- Airflow Rate: 1450 cfm
HOW TO USE:
- Install the Intake Manifold: Mount the provided LS3 port intake manifold onto the engine.
- Mount the Throttle Body: Attach the 102mm throttle body to the intake manifold.
- Install the Fuel Injectors and Rails: Secure the 55 lb/hr injectors and fuel rails.
- Install the Fuel Pump: Place the 340 LPH in-tank fuel pump into the fuel tank.
- Connect the Wiring Harness: Plug in the provided wiring harness to the ECU and sensors.
- Connect Sensors: Connect the MAP, IAT, TPS, and oxygen sensors.
- Connect Transmission Control: If applicable, connect the transmission control wiring.
- Power Connections: Connect the ECU to the vehicle’s power and ground.
- Use the Handheld Controller: Use the handheld controller to set initial parameters and monitor the system.
- Start the Engine: Start the engine and allow the self-learning system to adjust fuel and air ratios.
- Fine Tune: Use the handheld controller to make fine-tuning adjustments as needed.
BENEFITS OF USING THE FITECH LS 750 HP EFI LS3 W/ TRANS CONTROL & REGULATED PUMP KIT (76614):
- Simplified LS engine swap process.
- Improved engine performance and efficiency.
- Precise fuel and air control.
- Elimination of the need for a separate transmission controller.
- Ability to handle boosted applications.
- Easy tuning and adjustments with the handheld controller.
- Complete kit reduces the amount of extra parts needed.
FEATURES:
- Fabricated 3mm thick aluminum sheet metal intake manifold, TIG welded.
- Cast, cable activated billet aluminum 102mm throttle body.
- Handheld controller with color touch screen and cable, with windshield mount.
- High volume billet fuel rails.
- Two programmable electric fan outputs.
- Supplied with WBO2 sensors.
- Custom wiring harness for a direct plug-in installation.
- Tach output driver to work with most tachometers.
- Go Fuel Tight Fit regulator compatibility.





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