fits make: Studebaker. year: 1963–1964.

( Manufacturer Part Number: 1557238 ), ( Type: Carburetor )
The Studebaker Carter AFB carburetor, model number 1557238, was manufactured specifically for use with the Studebaker Avanti models from the years 1963 and 1964 equipped with the 350 horsepower 289 Ford V8 engine. This carburetor is a severe duty, double pumper design that delivers optimal fuel delivery for high performance applications.
The Carter AFB carburetor features a unique air foam chamber that helps to eliminate the fuel-air mixture turbulence and creates a smooth idle. The secondary throttle valves are operated by a mechanism called a dual-plane intake manifold, which ensures appropriate fuel delivery during acceleration. The primary throttle valves control the idle and cruising operations.
The Studebaker Carter AFB 1557238 carburetor is equipped with an automatic choke that engages when the engine is started. This feature ensures a smooth starting process, even in cold weather conditions. The carburetor also comes with a vacuum secondaries connection that helps to improve vacuum strip efficiency and an integral fuel pump with a built-in fuel level gauge to maintain proper fuel level.
Under the hood, the carburetor is characterized by its four-barrel configuration, with each barrel having a capacity of 215 cubic inches. Each barrel is fitted with a separate float bowl, and the carburetor has a total cross-sectional area of 625 square inches. The venturis are sized at 0.640 inches, and the secondary throttles have a diameter of 1.043 inches.
This Studebaker Carter AFB carburetor is designed to provide superior idle quality, smooth power delivery, and excellent fuel economy for the 1963 and 1964 Avanti 3506s. It is a finely-tuned component that requires proper installation, maintenance, and adjustment to achieve the optimal performance levels for these classic cars. Thus, it is recommended that those looking to install this carburetor consult the relevant technical manuals and seek professional assistance if necessary.
The Studebaker Carter AFB carburetor, model 3506S, was used in the Studebaker Avanti cars produced between 1963 and 1964. Here are some pros and cons to consider before deciding to buy one.
Pros:1. Authenticity: If you own a Studebaker Avanti from the 1963-1964 period, a Carter AFB 3506S carburetor is an original equipment replacement, which can be beneficial for maintaining the authenticity and value of your vehicle.
2. Performance: The Carter AFB carburetor is known for its excellent performance and smooth operation, making it a popular choice among Studebaker enthusiasts. It has a four-barrel configuration with a venturi diameter of 1.78 inches, allowing for efficient fuel delivery and optimal power.
3. Availability: These carburetors are still available on the market from various sources, which makes it relatively easy to find a replacement if needed.
4. Cost-effective: Compared to some modern alternatives, a Carter AFB 3506S carburetor can be a cost-effective choice for Studebaker Avanti owners.
Cons:1. Complexity: Older carburetors like the Carter AFB 3506S can be complex to tune and require a certain level of expertise. The adjustments must be just right for the engine to run optimally, which can be a challenging task even for experienced enthusiasts.
2. Maintenance: Older carburetors generally require more frequent maintenance than modern fuel injection systems, which can include regular cleaning, adjustments, and rebuilding every few years.
3. Vulnerability to Contamination: Older carburetors can be more susceptible to fuel contamination, especially if the tank or fuel system has not been properly maintained. This can result in poor performance or potentially damaging the carburetor.
4. Aging Components: Over time, the parts used in older carburetors like the Carter AFB 3506S can become worn or difficult to find, which may require you to source replacements from specialized suppliers.
Conclusion:The Carter AFB 3506S carburetor is an excellent choice for Studebaker Avanti owners looking to maintain their vehicle's authenticity and performance. However, it comes with the challenges associated with older technology, such as complex tuning, increased maintenance requirements, and the potential for aging components. Considering these factors, it's essential to weigh the benefits against the drawbacks before making a decision. If you're confident in your ability to maintain and tune the carburetor effectively or prefer the traditional look and feel of carbureted engines, then the Carter AFB 3506S could be a worthwhile investment. Alternatively, if you value ease of use and minimal maintenance, modern fuel injection systems might be a better alternative for your Studebaker Avanti.
In conclusion, the Carter AFB 3506S carburetor offers authenticity, exceptional performance, availability, and cost-effectiveness but comes with the challenges of complexity, maintenance requirements, vulnerability to contamination, and aging components. Careful consideration is essential before deciding to purchase one for your Studebaker Avanti. If you're focused on ease of use and minimal maintenance, modern fuel injection systems might be a better alternative.
Please look at the pictures closely. I have used many carbs from this rebuild with great success. I am always glad to combine shipping. I no longer have a car that this fits on.
For Avanti R1, very hard to find carburetor This has been sitting on the shelf for some years I bought a lot of rebuilt carbs and this is one them.