fits model: 500.

( Brand: Carter ), ( Manufacturer Part Number: 9504S ), ( Type: Carburetor ), ( Features: Down Draft ), ( Choke Type: Mechanical ), ( Mounting Flange Type: Square Bore ), ( Performance Part: Yes ), ( Universal Fitment: No )
The Carter AFB 9504S is a high-performance, 500 CFM (Cubic Feet per Minute) carburetor, designed for serious racers and enthusiasts seeking optimal engine performance. This carburetor boasts a unique design that sets it apart from its competitors.
The Carter 9504S features a 950 CFM primary and a 45 CFM secondary venturi, ensuring a smooth and consistent fuel mix for optimal combustion. The primary venturi is equipped with a large, 750 cfm metering block, which allows for a generous fuel supply under wide-open throttle. The secondary venturi, on the other hand, is designed for fine-tuning and adjustment, providing precise fuel control at lower engine speeds.
One of the standout features of the Carter 9504S is its adjustable accelerator pump. This feature allows for fine-tuning of the fuel delivery during rapid throttle movements, ensuring smooth power delivery and preventing engine surges. The pump is adjustable via a screw on the front of the carburetor, providing easy access for tuning.
The Carter AFB 9504S also features a unique, vacuum-operated choke system. This system allows for easy starting in cold weather conditions, as the choke automatically closes to reduce the amount of air entering the engine, thereby enriching the fuel-air mixture. The choke lever is located on the left side of the carburetor, providing easy operation for the driver.
The carburetor is constructed from high-quality materials, including a durable cast aluminum body and brass internals. The float bowl is made from glass-filled nylon, providing excellent resistance to corrosion and wear. The carburetor is also equipped with a high-quality, brass fuel filter, ensuring clean fuel delivery to the engine.
The Carter AFB 9504S is a fully adjustable carburetor, featuring fine-tuning screws for both the primary and secondary circuits. This allows for precise adjustment of the fuel-air mixture, ensuring optimal engine performance under a wide range of conditions. The carburetor is also equipped with a removable air cleaner base, providing easy access for cleaning and maintenance.
In conclusion, the Carter AFB 9504S is a high-performance, 500 CFM carburetor that offers excellent fuel delivery, precise tuning, and durable construction. Its unique features, such as the adjustable accelerator pump and vacuum-operated choke, make it an ideal choice for serious racers and enthusiasts seeking optimal engine performance.
Pros of buying a Carter 9504S 500 CFM Carburetor:1. High Airflow: With a 500 CFM (Cubic Feet per Minute) airflow rating, this carburetor is ideal for high-performance engine applications.
2. Versatility: It can be used on various types of engines, including small block Chevrolet, Ford, and Chrysler, making it a flexible choice.
3. Reliability: Carter is a well-known brand in the automotive industry, known for producing high-quality carburetors.
4. Easy to Install: The 9504S is a quad-bore carburetor, which is easier to install and tune than some other types of carburetors.
Cons of buying a Carter 9504S 500 CFM Carburetor:1. Cost: The 9504S is a high-performance carburetor, and as such, it comes with a higher price tag compared to stock or standard carburetors.
2. Complexity: While it is easier to install than some other carburetors, the 9504S is still a complex piece of machinery. If you're not familiar with carburetors, you may need professional assistance to install and tune it correctly.
3. Requires Specific Fuel System: To take full advantage of the 9504S's performance capabilities, you'll need a fuel system capable of providing enough fuel to support the high airflow rate.
Conclusion:The Carter 9504S 500 CFM Carburetor is a great choice for those looking to upgrade their engine's performance. Its high airflow rate, versatility, and reliability make it an attractive option. However, its cost and complexity are factors to consider before making a purchase. If you're comfortable with the installation process and have the necessary budget, the 9504S can significantly improve your engine's performance. If not, you might want to consider a less complex and less expensive option.
Recommendation:If you're looking for a high-performance carburetor and are willing to invest in the necessary installation and fuel system upgrades, the Carter 9504S 500 CFM Carburetor is a solid choice. If you're not comfortable with the installation process or don't have the budget for the upgrades, it might be best to stick with a stock or standard carburetor for now.
1 - USED CARTER AFB COMPETITION SERIES 500 cfm CARBURETOR, PART NUMBER 9504S. DATE CODE 1613.