Description
The FiTech 2×4 625 HP Bright Aluminum EFI w/ In-Tank Master Kit (36161) provides a complete electronic fuel injection solution for high-performance engines utilizing a dual 4-barrel intake setup. This kit includes everything needed to convert to EFI, offering improved engine performance and fuel efficiency. It features dual 4-barrel throttle bodies, a powerful in-tank fuel pump, and an ECU for precise engine control.
KEY FEATURES AND BENEFITS:
- The FiTech 36161 system delivers up to 625 horsepower, providing a significant performance upgrade.
- The dual 4-barrel throttle bodies ensure optimal airflow, while the included 255 LPH in-tank fuel pump supplies consistent fuel pressure.
- The system is speed density based and includes an ECU, sensors, and wiring harness, making installation straightforward.
- Timing control is compatible, allowing for fine-tuning of engine parameters.
- This kit is designed for gasoline, alcohol, methanol, and flex fuel.
SPECIFICATIONS:
- Maximum Horsepower: 625 HP
- Injection Style: Throttle body
- Timing Control: Yes
- Power Adder Compatible: No
- ECU Included: Yes
- Fuel Pump: In-tank, 255 LPH
- Metering Style: Speed density (Map-N)
- Throttle Body: Dual 4-barrel square bore, 1700 cfm
- Injectors: 36 lbs/hr
- Fuel Type: Gasoline, Alcohol, Methanol, Flex
HOW TO USE:
- Preparation: Disconnect the battery and remove the existing dual 4-barrel carburetor setup.
- Fuel System Installation: Install the in-tank fuel pump assembly in the fuel tank. Connect the fuel lines and fuel pressure regulator.
- Throttle Body Installation: Mount the dual 4-barrel throttle bodies onto the intake manifold.
- Sensor Installation: Install the oxygen, MAP, IAT, and TPS sensors according to the provided instructions.
- Wiring Harness Connection: Connect the wiring harness to the ECU and all sensors.
- ECU Setup: Connect the calibration module and configure the ECU settings.
- Initial Startup: Reconnect the battery and start the engine. Check for fuel leaks and adjust the ECU settings as needed.
- Fine Tuning: Drive the vehicle and use the calibration module to fine-tune the engine parameters for optimal performance.
BENEFITS OF USING THE FITECH 2×4 625 HP BRIGHT ALUMINUM EFI W/ IN-TANK MASTER KIT (36161):
- Using the FiTech 36161 system results in improved engine performance, fuel efficiency, and drivability.
- The electronic fuel injection system provides precise fuel delivery, leading to better throttle response and smoother operation.
- The included components simplify installation, and the system is compatible with a variety of fuel types.
- The timing control feature allows for customized engine tuning.
FEATURES:
- Dual 4-barrel square bore mounting flange.
- Eight 43mm venturis for optimized airflow.
- Cast aluminum throttle body construction.
- Polished throttle body finish.
- Integrated 36 lbs/hr injectors.
- Comprehensive sensor suite (O2, MAP, IAT, TPS).
- In-tank 255 LPH fuel pump included.
- Speed density (Map-N) fuel metering.
- Compatibility with multiple fuel types.
- Included calibration module.






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