Description
The FiTech 750HP Oval Port EFI 4150 Flange Uni Black (30-11-611) is designed to modernize fuel delivery for Chevy Big Block engines with oval port cylinder heads. This kit offers multi-port fuel injection, supporting up to 750 horsepower with gasoline. It includes a 4150 flange throttle body, a self-tuning ECM, and compatibility with various fuels, providing enhanced engine performance and control.
KEY FEATURES AND BENEFITS:
- Provides multi-port electronic fuel injection: For improved engine performance.
- Supports up to 750 horsepower: With gasoline.
- Self-tuning ECM: For automatic fuel adjustments.
- User-tunable settings: For customized performance.
- Compatible with multiple fuel types: Including gasoline, Flex fuel, alcohol, and methanol.
- Includes a 4150 flange throttle body: With a Uni Black finish.
- Comes with essential sensors: TMAP, MAP, IAT, TPS, and IAC.
- Features a 4.5-inch display: For user interface and monitoring.
- Complete intake section and fuel rails: Are included.
- Timing control compatible.
SPECIFICATIONS:
- Engine Compatibility: Chevy Big Block with oval port cylinder heads (1965 and newer)
- Maximum Horsepower: 750 HP (gasoline)
- Throttle Body Flange: 4150 (4-barrel square bore)
- Airflow: 1000 CFM
- Injector Size: 55 lbs/hr
- Fuel Compatibility: Gasoline, Flex fuel, alcohol, methanol
- Metering Style: Speed density (Map-N) or speed throttle (Alpha-N)
- ECM: Included, self-tuning and user-tunable
- Sensors: TMAP, MAP, IAT, TPS, IAC, Oxygen
- Display: 4.5-inch user interface
- Intake Material: Aluminum
- Venturi Diameter: 44 mm
- Venturi Quantity: 4
- Engine Block Deck Height: Standard Deck
HOW TO USE:
- Preparation: Disconnect the vehicle’s battery. Remove the existing carbureted intake system.
- Installation: Install the FiTech intake manifold and fuel rails onto the engine.
- Throttle Body Mounting: Attach the 4150 flange throttle body to the intake manifold.
- Sensor Installation: Mount the included sensors (TMAP, MAP, IAT, TPS, IAC, and oxygen sensor) in their designated locations.
- Wiring Harness Connection: Connect the wiring harness to the sensors, injectors, and ECM.
- ECM Mounting: Secure the ECM in a suitable location.
- Fuel System Integration: Connect the fuel lines to the fuel rails. (Note: A fuel pump and pressure regulator are required, but not included.)
- Display Setup: Connect the 4.5-inch display to the ECM and mount it in a visible location.
- Initial Setup: Reconnect the battery. Follow the instructions on the display to input basic engine parameters.
- Self-Tuning: Start the engine and allow the ECM to self-tune the fuel delivery. User adjustments can be made as needed.
BENEFITS OF USING THE FITECH 750HP OVAL PORT EFI 4150 FLANGE UNI BLACK (30-11-611):
- Improved Fuel Efficiency: Enhanced engine performance.
- Precise Fuel Control: For optimal power delivery.
- Simplified Tuning Process: With self-tuning capabilities.
- Enhanced Throttle Response: And drivability.
- Compatibility with Multiple Fuel Types.
- Modernized Engine Management: For classic Chevy Big Blocks.
FEATURES:
- Matte black throttle body finish.
- Complete intake section included.
- Multi-port fuel rails provided.
- 1000 CFM airflow rate.
- 55 lbs/hr fuel injectors.
- Speed density or Alpha-N metering.
- Timing control compatibility.
- Forced induction/Nitrous oxide compatible.






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