fits make: Ford.

( Manufacturer Part Number: C3AF ), ( Part Type: Carburetor Block )
The Ford Autolite 390-406-427 Carburetor is a high-performance fuel delivery system designed specifically for Ford's big block engines, such as the C3AF, BV, and 3KA. This carburetor is a part of the FE series, which is renowned for its reliability and ability to deliver consistent performance under various driving conditions.
The 390-406-427 Carburetor features a quad-bore barrel, which is a design that allows for more air and fuel mixture to enter the engine, resulting in increased horsepower and torque. The barrel is made of durable cast aluminum material, ensuring long-lasting performance and resistance to corrosion.
The carburetor is equipped with a primary and secondary metering system that allows for precise fuel-air mixture adjustment. This ensures optimal combustion, resulting in improved fuel efficiency and reduced exhaust emissions. The primary metering system features a vacuum secondaries system, which allows the secondary throttle plates to open and close based on engine vacuum.
The carburetor also features a high-performance air cleaner, which helps to filter out dirt and debris from the air before it enters the engine. This helps to prevent engine damage and maintain optimal engine performance. The air cleaner is easily accessible for cleaning and replacement, ensuring easy maintenance.
The 390-406-427 Carburetor is also equipped with a high-quality accelerator pump, which ensures that enough fuel is delivered to the engine during acceleration. This helps to prevent engine knocking and ensure smooth operation, even under heavy load.
In summary, the Ford Autolite 390-406-427 Carburetor is a high-performance fuel delivery system designed for Ford's big block engines. Its quad-bore barrel, precise fuel-air mixture adjustment, and high-quality air cleaner and accelerator pump make it an ideal choice for those looking to improve their engine performance and fuel efficiency.
Pros of buying a 390-406-427 Ford Autolite carburetor FE Big Block C3AF BV 3KA C4SF barrel:1. Compatibility: This carburetor is specifically designed for Ford FE Big Block engines, ensuring a perfect fit and optimal performance.
2. Durability: Autolite carburetors are known for their long-lasting quality and reliability, which can save you money in the long run by reducing the need for frequent repairs.
3. Adjustability: The carburetor features adjustable primary and secondary circuits, allowing you to fine-tune your engine's performance based on your specific needs.
4. Easy installation: The carburetor is easy to install and connect to your engine, saving you time and effort.
Cons of buying a 390-406-427 Ford Autolite carburetor FE Big Block C3AF BV 3KA C4SF barrel:1. Limited availability: This specific carburetor may not be readily available in all parts stores, requiring you to order it online or contact a specialized dealer.
2. Potential for complexity: While the carburetor is adjustable, its complex design may require a certain level of mechanical knowledge and experience to properly set up and maintain.
3. Higher price point: Compared to some standard carburetors, the Autolite FE Big Block carburetor can be more expensive.
Conclusion:The 390-406-427 Ford Autolite carburetor FE Big Block C3AF BV 3KA C4SF barrel is a high-quality, durable, and adjustable carburetor that can provide optimal performance for your Ford engine. While it may be more expensive and require a certain level of mechanical knowledge, its long-lasting quality and compatibility with your engine make it a worthwhile investment for many enthusiasts.
Recommendation:If you are looking for a high-performance carburetor for your Ford engine, the 390-406-427 Ford Autolite carburetor FE Big Block C3AF BV 3KA C4SF barrel is a solid choice. However, make sure to research and compare pricing from various suppliers to ensure you're getting the best deal. Additionally, consider consulting with a mechanic or experienced enthusiast to ensure proper installation and setup for optimal performance.
The owner told me originally had 406 and later went to 427 as he raced car. But from same time a real 60s racer.