FiTech Classic Black 650 HP EFI w/ In-Tank Pump & Regulator (36221)
The FiTech Classic Black 650 HP EFI w/ In-Tank Pump & Regulator (36221) delivers modern electronic fuel injection performance with the aesthetic of a classic 4-barrel carburetor. This master kit includes everything needed to convert your engine to EFI, featuring a self-tuning ECU, in-tank fuel pump, and adjustable regulator. Designed for engines up to 650 horsepower, this system improves cold starts, eliminates vapor lock, and enhances overall engine efficiency.
KEY FEATURES AND BENEFITS:
Complete EFI Solution: Provides a full conversion kit for classic engines.
Self-Tuning Feature: Adapts to your driving style for optimal performance.
Classic Aesthetic: 4-barrel throttle body maintains a vintage look while offering modern EFI benefits.
Improved Fuel Economy: Enhances throttle response and overall engine efficiency.
Maximum Horsepower: 650 HP
Throttle Body: 4-barrel square bore, 950 CFM
Injectors: 80 lbs/hr
Fuel Pump: 340 LPH in-tank
Fuel Regulator: Adjustable 30-70 PSI
ECU: Included, external
Metering: Speed density (MAP-N)
Fuel Compatibility: Alcohol, Gasoline, Methanol, Flex
Remove the existing carburetor and intake manifold gasket.
Install the FiTech 4-barrel throttle body onto the intake manifold.
Mount the ECU in a suitable location.
Install the in-tank fuel pump module into the fuel tank.
Connect the fuel lines from the pump to the regulator and throttle body.
Connect the wiring harness to the sensors and ECU.
Install the oxygen sensor in the exhaust system.
Connect the 4.5-inch display for monitoring and initial setup.
Start the engine and allow the self-tuning feature to calibrate.
Adjust the fuel pressure regulator to the desired setting.
BENEFITS OF USING THE FITECH CLASSIC BLACK 650 HP EFI w/ IN-TANK PUMP & REGULATOR (36221):
Improved Performance: Significantly enhances engine performance and reliability.
Eliminates Carburetor Issues: Addresses common problems such as flooding and vapor lock.
Maintains Classic Look: Throttle body design preserves the original aesthetic of your engine compartment.
Efficient Airflow: 44mm venturi diameter for optimal performance.
Durable Construction: Cast aluminum throttle body with a sleek black finish.
Consistent Supply: 340 LPH in-tank fuel pump module ensures reliable fuel pressure.
Adjustable Regulator: Fuel pressure regulator with gauge for easy monitoring.
Comprehensive Sensors: Includes MAP, IAT, and TPS sensors.
Display Included: 4.5-inch display for real-time monitoring and adjustments.
Complete Wiring Harness: All necessary wiring included for installation.
Oxygen Sensor: Included for optimized fuel management.
Designed for Naturally Aspirated Engines: Perfect for enhancing classic car performance.
Product identification
- Brand: FiTech
- Model / MPN: 36221




