Description
The FiTech Black Dual Quad LS Port Injection w/ Trans Control (70086) offers a unique blend of classic aesthetics and modern EFI technology for LS engines. This system provides the look of traditional dual quad carburetors with the performance and reliability of electronic fuel injection. Designed for up to 750 horsepower, it includes a self-tuning ECM, transmission controller, and a 4.5-inch display for user interface.
KEY FEATURES AND BENEFITS:
- This system is engineered to provide high performance and user-friendly operation.
- Key benefits include support for up to 750 horsepower, self-tuning capabilities that simplify installation and setup, and transmission control compatibility for 4L60, 4L65, 4L80, and 4L85 transmissions.
- The dual quad throttle body setup delivers 1,800 cfm of airflow, and the 55 lbs./hr injectors ensure adequate fuel delivery.
- Users can fine-tune the system via laptop software for precise adjustments.
- The retro design adds a distinct look to any LS engine bay.
SPECIFICATIONS:
- Maximum Horsepower: 750
- Airflow Rate: 1,800 cfm
- Injector Size: 55 lbs./hr
- Throttle Body: Dual 102mm, cable driven
- ECM: Included, self-tuning
- Transmission Control: 4L60, 4L65, 4L80, 4L85
- Display: 4.5-inch user interface
- Intake Material: Aluminum
- Engine Compatibility: LS1, LS2, LS6, LR4, LM4, LM7, LQ4, LQ9
- Metering Style: Speed density
HOW TO USE:
- Installation: Install the intake manifold and throttle bodies onto the LS engine, ensuring proper gasket sealing.
- Wiring: Connect the provided wiring harness to the engine sensors, injectors, and ECM.
- Fuel System: Install your chosen fuel pump and lines, connecting them to the fuel rails.
- Sensor Connection: Connect the MAP, IAT, TPS, and IAC sensors to their respective connectors.
- O2 Sensors: Install the dual O2 sensors into the exhaust system.
- Display Setup: Connect the 4.5-inch display and follow the on-screen instructions for initial setup.
- Initial Start: Start the engine and allow the self-tuning ECM to adjust fuel and timing parameters.
- Fine-Tuning: If desired, use the laptop software to make specific adjustments to the system.
BENEFITS OF USING THE FITECH BLACK DUAL QUAD LS PORT INJECTION W/ TRANS CONTROL (70086):
- This system provides the advantages of modern EFI, including improved fuel efficiency, consistent performance, and easier starting, while maintaining a classic aesthetic.
- The self-tuning feature reduces the complexity of installation, and the transmission control allows for seamless integration with compatible automatic transmissions.
- The system’s high airflow and fuel delivery capabilities support high-horsepower applications.
FEATURES:
- Dual 102mm cable driven throttle bodies.
- Eight 55 lbs./hr fuel injectors.
- Included 3-Bar MAP and IAT sensor combination.
- Dual oxygen sensors for accurate air/fuel ratio monitoring.
- 4.5-inch display for system data and adjustments.
- Transmission controller for compatible GM automatic transmissions.
- Laptop software for pro-tuning adjustments.
- Fan control integrated into the system.
- AC input capability.
- E85 compatible.
- Aluminum intake manifold construction.






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