FiTech Retro LS 650 HP Classic Gold EFI w/ Force Fuel Delivery (35271)

Description

The FiTech Retro LS 650 HP Classic Gold EFI w/ Force Fuel Delivery (35271) combines the classic aesthetic of a carburetor with the modern performance and reliability of electronic fuel injection. This kit is designed for GM LS engines, offering a complete solution that simplifies engine swaps and transmission integration. It also offers the FiTech Master EFI kits that combine their EFI systems with their force fuel delivery systems.

KEY FEATURES AND BENEFITS:

• The FiTech Retro LS EFI 650hp system provides a seamless transition to EFI for those who appreciate the traditional look of a carburetor.
• It offers improved fuel efficiency, drivability, and cold-start performance compared to traditional carbureted setups.
• The integrated transmission control for GM 4L60/80E transmissions simplifies the integration of modern transmissions into older vehicles.
• The Master EFI kits give the ease of a one box solution for EFI and fuel delivery.
• Both systems are designed for easy installation, with self-tuning capabilities that minimize the need for complex adjustments.

SPECIFICATIONS:

• Maximum Horsepower: 650 HP
• Injection Style: Throttle body
• Timing Control Compatible: Yes
• ECU Included: Yes
• Fuel Pump Included: Yes (External)
• Transmission Controller Included: Yes (GM 4L60/80E)
• Metering Style: Speed density (Map-N)
• Throttle Body Mounting Flange: 4-barrel square bore
• Venturi Diameter: 44 mm
• Airflow Rate: 950 cfm
• Injector Size: 80 lbs./hr
• Fuel Type: Alcohol, Gasoline, Methanol, Flex

HOW TO USE:

• Preparation: Ensure your LS engine is properly installed and ready for EFI conversion.
• Installation: Mount the FiTech Retro LS throttle body to the intake manifold.
• Wiring: Connect the provided wiring harness to the engine sensors and transmission.
• Sensor Installation: Install the MAP, IAT, TPS, and oxygen sensors as directed.
• Fuel System Setup: Mount the external fuel pump and connect the fuel lines. Install the fuel pressure regulator.
• Transmission Connection: Connect the transmission control wiring to the GM 4L60/80E transmission.
• ECU Connection: Connect the ECU and handheld tuner.
• Initial Setup: Use the handheld tuner to input engine parameters and perform initial setup.
• Self-Tuning: Start the engine and allow the self-tuning feature to optimize fuel delivery.
• Final Adjustments: Make any necessary fine-tuning adjustments using the handheld tuner.

BENEFITS OF USING THE FITECH RETRO LS 650 HP CLASSIC GOLD EFI W/ FORCE FUEL DELIVERY (35271):

• Maintains the classic carburetor look with modern EFI performance.
• Simplifies LS engine swaps and transmission integration.
• Improves fuel efficiency and drivability.
• Provides reliable cold-start performance.
• Offers easy installation and self-tuning capabilities.

FEATURES:

• “Golden” finished throttle body for a classic appearance.
• Integrated transmission control for GM 4L60/80E transmissions.
• Complete kit includes all necessary wiring and sensors.
• Handheld tuner for easy setup and monitoring.
• 80 lbs./hr fuel injectors for high-performance applications.
• External fuel pump and fuel pressure regulator included.
• Speed density (Map-N) metering system.
• Compatibility with multiple fuel types.