fits model: 283, 327. make: Chevy, Chevrolet. year: 1964–1967.

( Brand: Carter ), ( Manufacturer Part Number: 4078S ), ( Type: Carburetor ), ( Oe/oem Part Number: 1965 1966 )
The Carter WG Series 4078S two-barrel carburetor was a popular choice for Chevrolet V-8 engines from 1964 to 1967. Designed to provide optimal fuel delivery for the 283 and 327 cubic inch powerplants, this carburetor enhanced the performance and driving experience of these iconic American muscle cars.
Design and Construction:The Carter WG4078S is a balanced-design, two-barrel carburetor with an external fuel bowl. It is identified by its distinctive chrome housing and smooth, round shape, which fitted seamlessly into the engine bay of 1960s Chevrolets. The carburetor is known for its simplicity, reliability, and ease of tuning for various driving conditions.
Distinctive Features:The Carter WG Series 4078S carburetor features a unique design, which includes a venturi size of 0.600 inches for each barrel. It is equipped with a quick-detach linkage system that made emission equipment swapping a simple and time-efficient process. Additionally, the carburetor features a primary float bowl capacity of 1.5 quarts and a secondary float bowl capacity of 0.75 quarts for proper fuel mixture metering.
Engine Compatibility:This carburetor is suitable for use with 1964-1967 Chevrolet V-8 engines, specifically those equipped with the 283 or 327 cubic-inch engines. It was a stock component in many popular Chevrolet models during this period, including the Corvette, Impala, and Bel Air.
Ease of Installation and Tuning:The Carter WG Series 4078S carburetor is known for its user-friendly design, making it an excellent choice for both novice and expert engine builders. The carburetor comes with a chrome air cleaner assembly, making the installation process smooth and efficient. Additionally, it offers the ability to fine-tune the engine's performance by adjusting the main and secondary jet sizes and the idle mixture. This ensures that the engine operates efficiently under various driving conditions, providing a responsive and powerful driving experience.
Performance and Efficiency:The two-barrel Carter WG4078S carburetor delivers a well-balanced fuel mixture for optimal combustion, resulting in improved engine performance and efficiency. It responds effectively to driver input, ensuring smooth power delivery across the RPM range. This classic carburetor pairs well with the distinctive styling and powerful engines of the 1964-1967 Chevrolet models, making it a popular choice for enthusiasts seeking authenticity and performance.
Conclusion:The Carter WG Series 4078S two-barrel carburetor is an essential component for any restoration or engine building project focused on 1964-1967 Chevrolet V-8 engines. Its iconic design, reliable performance, and ease of tuning continue to make it a popular choice among enthusiasts, classic car builders, and drag racers searching for the perfect balance of power, style, and fuel efficiency. Whether used for daily driving, street performance, or competitive racing, this vintage carburetor is sure to meet and exceed expectations.
Since 1964 to 1967, Chevy produced some iconic V-8 engines (283 and 327). For those seeking performance improvements, installing a new carburetor can be an efficient way to enhance power and fuel economy. In this context, we will discuss the Carter WG 2-Barrel Carburetor (Carter 4078S), exploring its pros and cons.
II. Pros1. Increased Air Flow: The Carter 4078S is a high-performance carburetor, capable of providing higher air flow than the original equipment, facilitating improved engine performance.
2. Enhanced Horsepower: An increase in air flow directly translates into more power, which can result in an average horsepower increase of 10-15% compared to a stock carburetor.
3. Extensive Adjustability: This carburetor offers a greater degree of adjustability, allowing tuning for various driving conditions and engine configurations, ensuring optimal performance and smoother idling.
4. Wide Compatibility: The Carter WG 2-Barrel Carburetor can be easily adapted for different driving styles and engine sizes, making it an attractive option for those with varying driving preferences.
5. Durable Construction: The Carter 4078S features solid construction with high-quality materials (billet aluminum base and cast aluminum housing), ensuring durability and lasting performance.
III. Cons1. Complexity: The increased adjustability and wider compatibility give way to a more intricate installation process compared to stock carburetors.
2. Expensive: The cost of a Carter WG 2-Barrel Carburetor is considerably higher than the cost of a stock carburetor, putting it out of reach for some enthusiasts.
3. Learning Curve: Properly tuning and setting up the advanced adjustments of this carburetor might require extensive technical knowledge or the assistance of a professional.
4. Customization Required: Some factory components (such as the intake manifold) may need modifications or replacement to accommodate the new Carter carburetor, adding additional cost and complexity to the project.
IV. ConclusionThe decision to install a Carter WG 2-Barrel Carburetor (Carter 4078S) on a 1964-1967 Chevy 283/327 V-8 engine is not without considerations. While the benefits include increased air flow, horsepower, adjustability, durability, and compatibility, one must also acknowledge the challenges of complexity, cost, learning curve, and potential need for customization. Ultimately, the process requires time, technical skill, and careful planning to ensure a successful installation with notable performance gains.
V. RecommendationConsidering the pros and cons, this carburetor is an excellent option for enthusiasts seeking significant performance improvements, those who enjoy intricate customization, and those with a higher budget. For casual drivers or those on a limited budget, a stock or less complex carburetor may suffice. A recommended approach is to carefully weigh the potential benefits and challenges against your individual goals and capabilities before pursuing the installation.
Carb core appears to be mostly complete. Throttle bores measure 1-7/16 and mounting bolt holes to 1-7/8 by 3-1/4. Linkage moves free. Core for rebuilding or parts.
Carter WGD 2-barrel carburetor, ID tag number 4078S. Please verify part number and pics match your application. See pics for condition.