fits make: Mercury, Lincoln, Ford. year: 1970–1972.

( Brand: Ford ), ( Manufacturer Part Number: D1VF-AA ), ( Type: Carburetor ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes )
Introducing the Autolite 4300 4-barrel carburetor, a popular and high-performing fuel delivery system specifically designed for 1970-1972 Ford D1VF-AA engines found in Mercury Lincolns. This carburetor is a 4-barrel, 4150 series design that offers superior air-fuel mixture control and optimal engine performance.
The Autolite 4300 carburetor is characterized by its four secondary, metallic throttle valves, which deliver precise and responsive throttle control. The primary venturi is sized for smooth idle and low-speed response, while the large secondary venturi contours are engineered for maximum power output and mid-range torque.
A key feature of the Autolite 4300 is its advanced Float Dream Emulsion System. This system uses a self-contained float bowl design, which ensures consistent and accurate fuel delivery, even under varying engine load conditions. The bowl also features a large capacity, hexagonal design, which further supports even fuel distribution.
Additionally, the Autolite 4300 spray-bar pattern is designed to provide excellent atomization and distribution of the fuel mixture for optimal combustion efficiency. The carburetor comes equipped with a 3/8" Metric Thread Choke, and the industrial-grade, zinc-coated aluminum body ensures durability and corrosion resistance.
Maintaining the Autolite 4300 is straightforward and hassle-free, with easy-to-reach adjustment screws and a clear, accessible float bowl gasket surface for accurate leak-down testing. The carburetor also includes a choke lever adjustment so that you can fine-tune your cold start experience.
For those seeking to improve their Mercury Lincoln's engine performance and rely on a trusted and dependable carburetor solution, the Autolite 4300 4-barrel carburetor offers the perfect balance of power, efficiency, and ease of use. Its robust design and unwavering reliability make it an excellent choice for restorations, performance upgrades, or daily driving applications.
The Autolite 4300 4-barrel carburetor was a common carburetor used on various Ford and Mercury vehicles during the 1970s, including the 1970-1972 Mercury Lincoln. Below are some potential pros and cons of buying this specific carburetor for your classic car restoration or performance project.
Pros:1. Availability: These carburetors are quite common, which means they can be easily sourced from junkyards or automotive supply stores. Moreover, aftermarket parts and rebuild kits are readily available.
2. Performance: The Autolite 4300 carburetor has a proven track record for providing good power and throttle response, making it a popular choice for performance applications.
3. Rich Fuel Mixture: These carburetors are known to produce a relatively rich fuel mixture, which can benefit older engines that may have some wear or need a bit more fuel to run efficiently.
4. Flexibility: The Autolite 4300 carburetor can be adapted to work with various engines, as it comes in different configurations.
Cons:1. Complexity: Compared to some modern carburetors, the Autolite 4300 can be considered complex, which can present challenges during installation and tuning.
2. Emission Requirements: These carburetors do not meet modern emission requirements, which can limit their use in daily driven, Registered vehicles, particularly in countries with stringent emissions laws.
3.older Design: The Autolite 4300 carburetor utilizes older technology and relies on mechanical components, such as vacuum secondaries and floating throttle bodies, which can deter some people due to maintenance requirements and potential wear.
Conclusion:In conclusion, the Autolite 4300 4-barrel carburetor offers some impressive advantages, such as availability, strong performance, and fuel mixture richness, but it also has some downsides, such as complexity, lack of emission compliance, and older design. Ultimately, the decision to buy this carburetor depends on your specific goals, preferences, and requirements.
If you're looking for a carburetor for a classic car restoration, power boost, or off-road use, the Autolite 4300 carburetor can be a solid choice. However, if you're seeking a carburetor for a daily driver or a project that requires modern emission compliance, you may want to consider other options.
SOMEONE PUT THIS ON A 351C 4V I BOUGHT REMOVED IT FEW YEARS AGO.