Description
FITECH Go EFI 2-Barrel 400HP System (Part No. 39001), Gold
The FiTech Go EFI 2 Barrel system is designed as a ready-to-run throttle body electronic fuel injection (EFI) kit for 4, 6, and mild 8-cylinder naturally aspirated engines. It aims to replace outdated carburettors with modern EFI technology while maintaining an old-school “classic gold” carburettor aesthetic. it is built to cure classic carburettor headaches like cold start issues, hesitations, vapor lock, and flooding.
Key Features & Specifications
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Performance: Supports up to 400 Maximum Horsepower with a 500 CFM airflow rate and four flow-matched 55 lbs./hr. injectors.
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Easy Installation: Features “bolt-n-go” technology with a throttle-body-mounted ECU. It requires only 4 basic wiring connections (fuel pump, key, power, and tachometer).
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Self-Tuning Technology: Includes a wide-band O2 sensor and a self-learning ECU that dials in air/fuel ratios in real-time, meaning no laptop or custom tuning is required. It comes with a full-color touchscreen for initial setup.
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Built-in Components: Features an internal fuel pressure regulator (preset to 43.5 PSI) and OEM-style TPS/IAC sensors.
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Mounting: Uses a Holley 2-barrel mounting flange and accepts common 5 1/8″ OEM or aftermarket air cleaners.
Ideal for 1970s Era Air-Cooled Classics
The FiTech 2-barrel system is an excellent upgrade for moderate-horsepower, air-cooled engines found in 1970s-era Volkswagen Beetles and classic campervans. It provides a modern solution for owners of the iconic 1600cc platforms who want to retain their vehicle’s original charm while significantly improving drivability.
By replacing the traditional carburettor with this self-learning EFI technology, these vintage cruisers benefit from:
For vintage air-cooled VW flat-four engines, traditional carburettors are often plagued by vapor lock in the summer, struggling cold starts in the winter, and poor fuel economy. By retrofitting an EFI system like this FiTech Go EFI (adapted to fit the VW intake manifold), owners of classic Beetles and campervans can achieve:
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Turn-Key Reliability: The wide-band O2 sensor and self-learning ECU automatically adjust to altitude and temperature changes—something highly beneficial for heavy classic campervans taking long road trips.
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Smoother Power Delivery: Eliminates the infamous flat spots and hesitations common in older 1600cc VW engines.
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Preserved Vintage Look: Because the throttle body is cast aluminum with a gold finish, you get the tactical accuracy of modern fuel injection without ruining the vintage, mechanical aesthetic of the Beetle’s engine bay.
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Reliable Cold Starts: Eliminates the pumping and priming usually required on older flat-four engines.
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Altitude Compensation: The ECU automatically adjusts for varying elevations, making it an essential upgrade for classic campervans traveling through different terrains.
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Modern Efficiency: Provides the precision of electronic fuel delivery while the classic gold finish ensures the engine bay maintains its period-correct look.
Fuel Delivery Upgrade Recommendations
To ensure your new EFI system operates flawlessly, FiTech highly recommends upgrading your fuel delivery setup to match. Depending on your vehicle’s requirements and your preferred installation method, they suggest two excellent options:
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FiTech Go-Fuel Universal In-Tank Fuel Pump Module (340 LPH)
A high-performance, universal in-tank solution capable of flowing 340 Litres Per Hour. It provides exceptional reliability and is capable of supporting up to 800 HP, making it a robust and quiet choice for those willing to modify their existing fuel tank. -
FiTech Go Fuel Force Fuel Mini Surge Tank
If you prefer not to drop or modify your factory fuel tank, this mini surge tank is the perfect alternative. It is designed to be fed by your stock mechanical or low-pressure electric fuel pump, acting as a reservoir to supply consistent high-pressure fuel to your new EFI system while preventing fuel starvation during cornering or acceleration.















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