fits make: Chevrolet, Chevy. year: 1941–1949.

( Brand: Carter ), ( Manufacturer Part Number: 517S ), ( Type: 6-cylinder ), ( Oe/oem Part Number: 1942 1946 1947 1948 ), ( Country Of Origin: United States )
The Carter AFB 517-BB1 1-barrel carburetor is a classic automotive component that was commonly used in Chevrolet COE (Chassis-Forward Cab-Over-Engine) trucks from the years 1941 to 1949, specifically those equipped with the 216.2-inch (5.54-meter) engine, which displaced 216.5 cubic inches (3.54 liters) and produced approximately 65 horsepower.
This carburetor is a single-barrel design, meaning it utilizes a single throttle body to regulate the airflow into the engine. The 517-BB1 model is identified by its distinctive flat-topped, vented carburetor base, which was designed to fit the specifications of the Chevrolet COE's engine compartment. The carburetor's barrel is constructed of die-cast aluminum, a durable material that is both lightweight and resistant to corrosion.
The Carter AFB 517-BB1 1-barrel carburetor features a single-plane intake manifold and uses a downdraft design to draw fuel into the engine. It is equipped with a float-operated choke mechanism to facilitate easy starting, especially in cold weather conditions. The carburetor also includes a power venturi, which helps in maintaining a constant vacuum in the intake manifold and improves engine performance.
The 517-BB1 carburetor comes with a mechanical secondary system, which is designed to enrich the fuel mixture during full-throttle conditions for better power and acceleration. This system uses a pair of secondary throttle plates that are actuated by a cam on the carburetor body.
The Carter AFB 517-BB1 1-barrel carburetor is a highly sought-after component among classic car enthusiasts and collectors, as it is a critical part in maintaining the authenticity and functionality of vintage Chevrolet COE trucks from the 1940s. This carburetor's timeless design and proven performance make it an essential upgrade for those looking to restore or customize their classic Chevy truck.
The Carter BB-1 1-Barrel Carburetor, produced between 1941 and 1949 for Chevrolet's COE 216, is a significant piece of automotive history. This carburetor was widely used during World War II due to its simplicity and reliability. In this analysis, we will discuss the pros and cons of buying this vintage carburetor for your restoration project.
Pros:1. Authenticity: The Carter BB-1 carburetor is an original component of Chevrolet's WWII-era COE 216 trucks. Installing this carburetor will add to the historical accuracy and value of your restoration project.
2. Availability: Due to its widespread use during the war, many of these carburetors have survived to this day, making them relatively easy to find on the aftermarket.
3. Simplicity: The Carter BB-1 carburetor is known for its simplicity and ease of use. This makes it an attractive choice for those working on a budget or those who prefer a more straightforward restoration process.
Cons:1. Performance: These carburetors may not offer the same level of performance as modern carburetors or fuel injection systems. They may require tuning and adjustments to run efficiently.
2. Compatibility: The Carter BB-1 carburetor may not be compatible with modern fuel systems, emissions controls, or other modern engine components. This could add to the cost and complexity of your restoration project.
3. Maintenance: Vintage carburetors like the Carter BB-1 require regular maintenance and tuning to keep them running smoothly. This can be time-consuming and may require specialized tools and knowledge.
Conclusion:The Carter BB-1 1-Barrel Carburetor for 1941-1949 Chevrolet COE 216 offers a unique blend of historical significance, availability, and affordability. However, it comes with some drawbacks, including potential performance issues, compatibility challenges, and higher maintenance requirements.
Recommendation:If you are restoring a 1941-1949 Chevrolet COE 216 for historical accuracy and plan to use it primarily for show or display purposes, then the Carter BB-1 carburetor is an excellent choice. However, if you intend to use the vehicle for daily driving or require optimal performance, you may consider investing in a modern carburetor or fuel injection system. Ultimately, the decision depends on your restoration goals, budget, and the level of authenticity you desire.
See pics for condition. Carb core appears to be mostly complete. Please verify part number and pictures match your application. Core for rebuilding or parts.
Carter BB-1-barrel carburetor, ID tag number 517S. Linkage moves free.