fits model: D5, 4spd, Corvette, Impala. year: 1965.

( Brand: Carter ), ( Manufacturer Part Number: 3721SB ), ( Type: Carburetor ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes )
The Carter YF 3721SB is a high-performance quadra-jet four-barrel carburetor that was specifically designed for the 1965 Corvette Impala with a 327-300hp engine and a four-speed manual transmission. This carburetor is a direct replacement for the original factory-installed carburetor and is a popular choice among classic car enthusiasts and restorers due to its superior performance and reliability.
The Carter YF 3721SB carburetor features a four-barrel design that allows for optimal air and fuel mixture for maximum power and efficiency. The carburetor is equipped with a 650 cfm (cubic feet per minute) venturi, which is larger than the original factory-installed carburetor, allowing for better air flow and increased horsepower.
The carburetor is also equipped with an advanced accelerator pump and fuel pressure regulator that ensures smooth and consistent throttle response and fuel delivery. The accelerator pump is designed to provide additional fuel to the engine during acceleration, while the fuel pressure regulator maintains a consistent fuel pressure in the fuel system, even under high engine loads.
The Carter YF 3721SB carburetor is also equipped with a vacuum secondary system that utilizes a diaphragm-type accelerator pump and a vacuum secondary throttle plate. This system allows for even more fuel to be delivered to the engine during acceleration, providing a powerful and responsive driving experience.
The carburetor is also easy to install and tune, with straightforward instructions and adjustment points for fine-tuning the air/fuel mixture and throttle response. The carburetor is also designed to be durable and long-lasting, with high-quality materials and construction that ensure reliable operation for many years to come.
In summary, the Carter YF 3721SB carburetor is a high-performance, easy-to-install and tune, and durable quadra-jet four-barrel carburetor that is specifically designed for the 1965 Corvette Impala with a 327-300hp engine and a four-speed manual transmission. It provides optimal air and fuel mixture for maximum power and efficiency, smooth and consistent throttle response, and a powerful and responsive driving experience.
Pros of buying a Carter 1965 Corvette Impala with a 327-300hp 4-speed manual transmission and a single-barrel carburetor (D5):1. Powerful engine: The 327-300hp engine provides a substantial amount of power, making the car fun to drive and capable of quick acceleration.
2. Manual transmission: A 4-speed manual transmission allows for more control over the car's speed and engine revs, which can be enjoyable for enthusiasts who enjoy the experience of shifting gears.
3. Classic style: The 1965 Corvette Impala is a classic car with a timeless design, which can be a desirable feature for collectors and enthusiasts.
Cons of buying a Carter 1965 Corvette Impala with a 327-300hp 4-speed manual transmission and a single-barrel carburetor (D5):1. Maintenance requirements: Older cars, especially those with manual transmissions and carburetors, require more frequent maintenance than newer vehicles.
2. Less fuel efficiency: The powerful engine and manual transmission combination may result in lower fuel efficiency compared to more modern vehicles.
3. Potential for reliability issues: Older cars, especially those with high horsepower engines, can be more prone to reliability issues, which may require costly repairs.
Conclusion:The Carter 1965 Corvette Impala with a 327-300hp 4-speed manual transmission and a single-barrel carburetor (D5) is a powerful and classic car with a lot of charm. However, it comes with some trade-offs, such as higher maintenance requirements, less fuel efficiency, and potential reliability issues. If you are an enthusiast who enjoys working on cars and appreciates the classic style of the 1965 Corvette Impala, this car could be a great fit for you. However, if you are looking for a reliable and fuel-efficient daily driver, you may want to consider a newer vehicle with a more modern powertrain.
In storage for decades. Bowl # 0-1552. I am sure it will need rebuilt from long storage. You are buying on a 1965 Corvette Impala 327-300hp with manual transmission 4bbl Carter AFB carburetor.
All linkage moves. Air horn # 6-1518.