
( Brand: Carter Afb ), ( Manufacturer Part Number: 4746S ), ( Choke Type: Mechanical ), ( Type: Carburetor )
The Carter AFB 4746S 4-barrel carburetor is a high-performance component designed specifically for engines that require increased fuel delivery for improved power and efficiency. This carburetor is part of the AFB series, which stands for "Advanced Flow Bench," indicating its focus on delivering optimal air-fuel mixtures for enhanced combustion. The 4746S model is a four-barrel variant, ideally suited for applications where multiple fuel intakes are necessary to provide the engine with an adequate fuel supply.
This carburetor features a meticulously engineered design, with a sleek, angled design that allows for easier installation and optimal positioning in various engine bays. The 2169 part number refers to the base size and secondary venturi diameter, which are 2.169 inches, suitable for medium to large-sized engines.
The Carter AFB 4746S utilizes a progressive linkage design for the secondary throttle plates. This configuration helps ensure smooth and consistent power delivery across the entire RPM range. The utilization of a vacuum secondary helps minimize the risk of surging and provides instant cable response, contributing to an engaging driving experience.
Equipped with the proven accuracy of Carter's Synchro-Jet II circuitry, this carburetor ensures precise fuel metering and stable idling characteristics. The Synchro-Jet II system is also known for its adaptability, adjusting well to various engine sizes and modifications, making it a popular choice among hot-rod enthusiasts and custom engineers.
This 4-barrel carburetor features a removable bowling alleys float bowl with an integrated sump system that keeps the floats constantly submerged, reducing the possibility of flooding and ensuring consistent fuel delivery. Each float bowl is specific to each carburetor body, minimizing the potential for fuel slosh on the intake manifold.
The Carter AFB 4746S 4-barrel carburetor is crafted from premium components to ensure longevity and durability. Its needle and seat jet kit, as well as the accelerator pump diaphragm, are all made of high-quality materials to prevent leaking and provide consistent performance.
This 2169 carburetor is backed by the industry-leading known for their wealth of carburetor knowledge and expertise, making it an excellent choice for those seeking dependable, powerful fuel delivery for their engine applications.
The Carter AFB 4746S 4-Barrel Carburetor 2169 is a popular choice among enthusiasts who want to upgrade their vehicle's engine performance. Here we present the pros and cons of investing in this carburetor.
II. ProsA. Ideal for High-Performance Applications
1. Greater air-fuel mixture
2. Enhanced engine response
3. Increased horsepower
B. Accurate Fuel Mixture Delivery
1. Fine atomization
2. Smooth idling
3. Consistent power delivery
C. Versatile Design
1. Compatibility with various applications
2. Adjustability options (6 primary and 2 secondary)
3. Easy installation
III. ConsA. Complexity
1. Higher learning curve for tuning
2. Requires experience in carburetor tuning
B. Maintenance Intensive
1. Regular cleaning and adjustment necessary
2. Vulnerable to fuel contamination
C. Potential Emissions Issues
1. Lack of OBD-II compatibility
2. Potential for higher exhaust emissions
IV. ConclusionThe Carter AFB 4746S 4-Barrel Carburetor 2169 boasts impressive performance gains due to its fine fuel atomization and versatile design. However, its complex tuning requirements, maintenance intensity, and potential emission issues might deter some buyers.
V. RecommendationIf you are a seasoned car enthusiast with experience in carburetor tuning and are willing to invest the time for regular maintenance, then the Carter AFB 4746S 4-Barrel Carburetor 2169 can undoubtedly deliver a significant horsepower boost for your vehicle. For those with limited carburetor experience, this might not be the ideal choice due to its demanding requirements and potential complications.
Carter AFB 4-Barrel Carburetor 4746S/2169, ATTENTION.