fits make: Buick. year: 1963–1966.

( Brand: Carter ), ( Manufacturer Part Number: 4059S ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes ), ( Type: Afb )
The Carter 4059S is a high-quality carburetor designed specifically for the Buick 1966 AFB 401 V8 "Nailhead" engine, which was used in various Buick models from 1963 to 1966. This carburetor is a direct replacement for the original Carter AFB 4059, and it offers improved performance and reliability.
The Carter 4059S features a unique bowl design that provides optimal airflow and fuel mixture for the Buick V8 engine. The bowl is made of high-grade aluminum and is polished to a mirror finish, which not only looks great but also helps to reduce air turbulence and improve atomization of the fuel. The bowl is also equipped with a built-in accelerator pump and a power valve, which help to provide smooth and consistent throttle response.
The Carter 4059S also features a high-quality Air/Fuel Meter (AFM) that is calibrated for the Buick V8 engine. The AFM is equipped with a vacuum secondary circuit that helps to provide additional fuel during acceleration and load changes. The AFM is also adjustable, which allows the carburetor to be fine-tuned for optimal performance under a variety of driving conditions.
The Carter 4059S is also equipped with a high-quality throttle linkage that is designed to provide smooth and precise throttle control. The throttle linkage is adjustable, which allows the carburetor to be fine-tuned for optimal throttle response. The carburetor is also equipped with a high-quality fuel pump that is designed to provide a consistent fuel supply to the engine.
The Carter 4059S is easy to install and requires no modifications to the engine or intake manifold. The carburetor is also equipped with a high-quality vacuum pump that is designed to provide a consistent vacuum signal to the engine management system. The carburetor is also equipped with a high-quality air cleaner that is designed to provide clean and filtered air to the engine.
In conclusion, the Carter 4059S is a high-quality carburetor that is specifically designed for the Buick 1966 AFB 401 V8 "Nailhead" engine. The carburetor features a unique bowl design, a high-quality AFM, a high-quality throttle linkage, and a high-quality fuel pump. The carburetor is easy to install and requires no modifications to the engine or intake manifold. The Carter 4059S is a great upgrade for any Buick V8 engine and is sure to provide improved performance and reliability.
Pros of Buying a 1966 Buick AFB 401 V8 Nailhead (Carter 4059) Engine:1. Powerful Performance: The 401 cubic inch V8 engine is known for its impressive power and torque, providing a thrilling driving experience.
2. Classic Appeal: The Buick Nailhead engine has a distinct and iconic design that adds to the overall appeal of the 1966 Buick.
3. Reliability: With proper maintenance, these engines are known to be quite reliable and can last for many years.
4. Availability of Parts: Due to its popularity and long production run, parts for the Buick Nailhead engine are widely available, making repairs and maintenance easier.
Cons of Buying a 1966 Buick AFB 401 V8 Nailhead (Carter 4059) Engine:1. High Fuel Consumption: The powerful engine can consume a significant amount of fuel, which may result in higher operating costs.
2. Complexity: The Buick Nailhead engine is a complex design with many moving parts, which can make maintenance and repairs more challenging and time-consuming.
3. Potential for Expensive Repairs: While the engine is generally reliable, any major issues can be expensive to fix due to the specialized nature of the parts and labor.
Conclusion:The 1966 Buick AFB 401 V8 Nailhead engine, equipped with a Carter 4059 carburetor, is a desirable and powerful option for classic car enthusiasts. Its classic appeal, impressive power, and availability of parts make it a popular choice. However, potential buyers should be aware of its high fuel consumption, complexity, and the possibility of expensive repairs. If you are prepared to invest in regular maintenance and are looking for an engine that can provide a thrilling driving experience, the Buick Nailhead engine may be a good fit for you.
Recommendation:If you are considering purchasing a 1966 Buick AFB 401 V8 Nailhead engine, it is recommended to have a thorough inspection conducted by a qualified mechanic before making the purchase. This will help you identify any potential issues and ensure that you are getting a well-maintained engine. Additionally, it is essential to budget for regular maintenance and potential repairs to ensure that your investment in this classic engine will be both enjoyable and cost-effective.
Buick 1966 Carter AFB 4059S 401 V8 Nailhead 1963-1966:: Original series 4bbl carburetor for Buick's with. Will always combine shipping whenever possible. It needs a kit and sold as is.
Looks very good and complete including a manual choke setup. No rust issues and everything moves well. Will fit 1963 thru 1966 big bore Buick. It is number 4059S from a great old collection.
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