Description
The FiTech Classic Gold 650 HP EFI w/ Force Fuel Tank & CDI (93557) is a comprehensive electronic fuel injection (EFI) master kit designed to modernize classic carbureted engines. This kit replaces traditional carburetors with a self-tuning EFI system, enhancing engine performance, fuel efficiency, and overall drivability. It features a 4-barrel throttle body, a Go-Spark CDI ignition box, and a Force Fuel Mini surge tank for a complete fuel delivery solution.
KEY FEATURES AND BENEFITS:
- The FiTech 93557 kit offers several key advantages. It converts your classic engine to EFI, eliminating common carburetor issues like flooding and vapor lock.
- The self-tuning feature automatically adjusts fuel delivery for optimal performance, while the included CDI ignition enhances starting, idle quality, and throttle response.
- The Force Fuel Mini surge tank ensures a consistent fuel supply, preventing fuel starvation.
- This kit supports engines up to 650 horsepower, delivering modern performance with a classic aesthetic.
SPECIFICATIONS:
- Fuel Injection Style: Throttle body
- Fuel Injection System Type: Single 4-Barrel Throttle Body (4150 Flange)
- Maximum Horsepower with Gas: 650 HP
- Self Tuning: Yes
- User Tunable: Yes
- Fuel System Included: Surge tank (Go Fuel Mini Force Fuel)
- Ignition System Included: Ignition box (Go-Spark CDI)
- User Interface: 4.5 in. display
- Metering Style: Speed density
- Throttle Body Mounting Flange: 4-barrel square bore
- Venturi Quantity: 4
- Venturi Diameter (mm): 44.00mm
- Airflow Rate (cfm): 950 cfm
- Injector Size (lbs/hr): 80 lbs./hr.
HOW TO USE:
- Remove the Existing Carburetor: Disconnect and remove the existing carburetor and associated components.
- Install the Throttle Body: Mount the FiTech 4-barrel throttle body onto the intake manifold using the 4150 flange.
- Mount the ECU: Secure the compact ECU in a suitable location, ensuring it is protected from heat and moisture.
- Install the Fuel Surge Tank: Mount the Force Fuel Mini surge tank and connect the fuel lines according to the instructions.
- Install the Go-Spark CDI Ignition: Connect the Go-Spark CDI box to the distributor and ignition system, following the wiring diagram.
- Connect the Sensors: Install and connect the oxygen sensor, MAP sensor, IAT sensor, TPS sensor, and IAC motor.
- Connect the Wiring Harness: Connect the provided wiring harness to the throttle body, sensors, and ignition system.
- Initial Setup: Use the 4.5-inch display to perform the initial setup and configuration.
- Start and Self-Tune: Start the engine and allow the self-tuning feature to adjust the fuel delivery.
BENEFITS OF USING THE FITECH CLASSIC GOLD 650 HP EFI W/ FORCE FUEL TANK & CDI (93557):
- Improved engine performance and horsepower.
- Enhanced fuel efficiency.
- Elimination of carburetor-related issues.
- Smoother idle and throttle response.
- Modern performance with a classic aesthetic.
- Simplified installation and self-tuning capabilities.
FEATURES:
- 4-barrel throttle body design, 950 cfm flow.
- 80 lbs/hr fuel injectors.
- Go-Spark CDI ignition for improved spark delivery.
- Force Fuel Mini surge tank with 255 lph pump.
- 4.5-inch display for user interface and monitoring.
- Self-tuning ECU for automatic fuel adjustments.
- Compatible with various distributor types.
- Complete wiring harness and sensor package.
- Gold colored throttle body for a classic look.






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