fits model: 428, Mustang. make: Ford. year: 1968.

( Brand: Holley ), ( Manufacturer Part Number: C8OF-9510-AA ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Vintage Part: Yes )
The Holley C8F-9510-AA carburetor is a high-performance cylindrical shaped carburetor designed for Ford applications, specifically the 1968 Mustang with a 428 CJ engine. This particular Holley carburetor is part of Holley's C8 series, which is known for its advanced features and durable design.
The C8F-9510-AA carburetor comes with a 750 CFM (cubic feet per minute) venturi size, making it well-suited for the increased power demands of the 428 CJ engine. The carburetor's advanced design includes a four-barrel configuration, which helps to improve throttle response and fuel efficiency by allowing for greater airflow and fuel delivery.
This carburetor is equipped with Holley's silent-linear accelerator pump, which provides smooth idle and quick acceleration. The accelerator pump is designed to deliver a precise amount of fuel to the engine during acceleration, ensuring optimal performance. Additionally, the carburetor features Holley's electric choke system, which makes starting the engine easier in cold weather conditions.
The Holley C8F-9510-AA carburetor is also designed with durability in mind. It features heavy-duty construction, including a finned aluminum baseplate and a corrosion-resistant black powder-coated finish. The carburetor's fuel bowls are also vented, which helps to prevent fuel from sloshing and splashing during aggressive driving.
The installation process for this carburetor is made easier with Holley's use of universal mounting flange and adapter kits. These kits allow for hassle-free installation on a wide range of Ford applications. Additionally, the carburetor comes with a multi-port jet kit, allowing for fine-tuning of the engine's mixture for optimal performance.
In summary, the Holley C8F-9510-AA carburetor is a high-performance and durable option for those looking to upgrade the fuel delivery system on their 1968 Mustang 428 CJ engine. Its advanced features, such as the silent-linear accelerator pump and electric choke system, make for smooth and reliable operation. The carburetor's heavy-duty construction and universal mounting options make installation a breeze, making it a top choice for Ford enthusiasts seeking optimal power and performance.
Holley C8OF-9510-AA and C8OF-9510-AB carburetors are popular choices for restoring or upgrading the fuel delivery system of 1968 Ford Mustang engines, particularly those with 428 CJ engines. Both models are Holley's 950 CFM double-pumper carburetors featuring advanced technologies designed for enhanced performance, ease of tuning, and better fuel efficiency. Let's examine their advantages and disadvantages to help you make an informed purchasing decision.
Advantages of Holley C8OF-9510-AA:1. C speak technology: Provides optimal performance and improved driveability by offering exceptional idle quality, smooth transitions during load changes, and improved acceleration.
2. Fuel Efficiency: This carburetor is designed to meet modern emissions standards and improve fuel economy when compared to stock carburetors.
3. Customizable: Holley offers various applications and accessories, enabling you to fine-tune your carburetor according to your engine's specific needs and preferences.
4. Easy-to-tune: Features a convenient access bowl, easily removable bowl gasket, and multiple adjustment points, which facilitate easy tuning and troubleshooting.
Advantages of Holley C8OF-9510-AB:1. Quad-jet secondary design: Enhances low-end and mid-range torque while retaining a powerful top end to give your 1968 Mustang better acceleration and throttle response.
2. Intake manifold compatibility: This carburetor is compatible with various intake manifolds, ensuring a better fit for your Mustang's engine bay.
3. Raw or EFI transition options: Can be configured for a traditional, raw-air fuel setup or Electronic Fuel Injection (EFI) systems for seamless integration into modern muscle cars.
Disadvantages:1. Cost: Holley carburetors are often more expensive than stock alternatives. However, the advanced features and performance benefits they offer may justify the investment.
2. Complexity: If you're new to carburetors or engine tuning, it might take some time and research to learn how to properly tune this carburetor for optimal performance.
Conclusion:Both Holley C8OF-9510-AA and C8OF-9510-AB are excellent choices for those seeking a high-performance carburetor for their 1968 Mustang 428 CJ engine. Both models come with advanced features and benefits geared towards improved engine power, fuel efficiency, and ease of tuning. The primary difference between the two lies in their specific designs and features (C-Speak technology and Quad-jet secondary design, respectively), so your choice will depend on which one better suits your preferred power delivery and engine configuration.
Recommendation:Based on the advantages and disadvantages mentioned above, we recommend the Holley C8OF-9510-AA if you prioritize a carburetor with C-Speak technology and improved fuel efficiency above all. Alternatively, opt for the Holley C8OF-9510-AB if you're after the Quad-jet secondary design aimed at delivering low-end and mid-range torque. Ultimately, ensure thorough research and careful consideration before making your purchasing decision.
The numbers stamped into the choke tower are as follows: C8OF-9510-AB List 4168 851. This is a real deal factory Ford Holley 4 barrel carburetor for 1968 Mustang with the 428 Cobra Jet engine automatic trans. The C8OF-9510-AB is the Ford part number. These factory high performance carbs have become nearly impossible to find, especially in this un restored condition.
The list 4168 is the Holley part number. I removed the bowls and metering blocks to show internals are clean complete. The carb is appears complete and all parts move.