fits model: 428, Mustang. year: 1969–1970.

( Brand: Holley ), ( Manufacturer Part Number: DOZF-9510-AD ), ( Ipn: 4516 1 ), ( Mounting Flange Type: Square Bore ), ( Manufacturer Warranty: 1 Year ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes )
The Holley 4516 is a high-performance, dual-feed, 4-barrel carburetor specifically designed for 1970 Mustang 428 CJ automatic applications, with a cross-reference number of DOZF 9510 9A1. This carburetor is a direct fit for 1969 Mustangs as well, due to its shared design and functionality with the 1970 model.
The Holley 4516 carburetor features a unique design that allows for efficient airflow and fuel distribution, ensuring optimal engine performance. The dual-feed design delivers fuel directly to the venturi, reducing fuel vaporization and promoting a smooth, consistent fuel-air mixture. The carburetor is equipped with a 1050 CFM primary venturi and a 650 CFM secondary venturi, delivering a high level of horsepower and torque.
The Holley 4516 carburetor features a vacuum secondary system, which allows for easy tuning and adjustment to meet the specific needs of your engine. The secondary metering rods can be easily adjusted for optimal fuel/air mixture, and the accelerator pump can be fine-tuned to ensure proper fuel delivery during acceleration.
The carburetor is also equipped with a multi-port fuel distribution system, which ensures that fuel is delivered evenly to all cylinders. This helps to reduce fuel waste and promote more efficient engine operation. The Holley 4516 carburetor also features a built-in fuel pressure regulator, which ensures that the correct fuel pressure is maintained for optimal engine performance.
The Holley 4516 carburetor is constructed from high-quality materials, including billet aluminum and brass, to ensure durability and long-term performance. The carburetor is also equipped with a built-in air cleaner, which helps to filter out dirt and debris from the intake air, promoting cleaner engine operation.
In conclusion, the Holley 4516 is a high-performance, dual-feed, 4-barrel carburetor that is specifically designed for 1970 Mustang 428 CJ automatic applications. With its unique design, efficient fuel delivery system, and adjustable secondary metering rods, this carburetor ensures optimal engine performance, fuel efficiency, and easy tuning. The carburetor's durable construction and built-in air cleaner also contribute to its long-term performance and reliability.
Pros of buying a Holley 4516 1970 Mustang 428 CJ Auto Air Carb DOZF 9510 9A1:1. Holley is a well-known and reputable brand in the automotive industry, known for its high-quality carburetors.
2. This specific carburetor is designed for 1969-1970 Ford Mustangs with 428 CJ engines, ensuring a perfect fit and proper functioning.
3. The Holley 4516 features a 950 CFM double-pumper design, providing excellent fuel delivery for increased horsepower and throttle response.
4. The DOZF (Double Pumper with Electric Choke) feature allows for easy cold starts, making the carburetor more user-friendly.
5. The 9A1 vacuum secondaries offer improved fuel distribution and air/fuel mixture control, resulting in smoother engine operation.
Cons of buying a Holley 4516 1970 Mustang 428 CJ Auto Air Carb DOZF 9510 9A1:1. The price of the Holley 4516 is relatively higher compared to other carburetors on the market, which may not be within everyone's budget.
2. Installation of the carburetor may require some technical knowledge and experience, as it involves connecting fuel lines, vacuum lines, and adjusting the carburetor settings.
3. The Holley 4516 may not be compatible with all 428 CJ engines, so it is crucial to double-check the engine specifications before purchasing.
Conclusion:If you are looking for a high-performance carburetor for your 1969-1970 Ford Mustang with a 428 CJ engine, the Holley 4516 is a great option. Its DOZF feature, 950 CFM double-pumper design, and vacuum secondaries provide excellent fuel delivery and engine performance. However, keep in mind the higher price and potential installation challenges. If you are comfortable with these factors and want to upgrade your Mustang's engine performance, the Holley 4516 is definitely worth considering.
Recommendation:If you are unsure about the installation process or want to ensure a seamless installation, it might be beneficial to consult an experienced mechanic or carburetor installation specialist before purchasing the Holley 4516. They can provide guidance on the compatibility of the carburetor with your engine and ensure proper installation for optimal performance.
THE METERING BLOCKS ARE 5673 PRIMARY AND 5671 SECONDARY.