fits model: 440. make: Dodge. year: 1978-79.

( Brand: Carter ), ( Manufacturer Part Number: 9151S ), ( Type: Carburetor ), ( Features: Model Thermo Quad )
The Carter ThermoQuad 9151S carburetor is a classic automotive component that was originally manufactured for use on 1978 and 1979 Dodge vehicles equipped with the 440 cubic inch V-8 engine. This carburetor is a quad-barrel design, meaning it features four separate barrels, each with its own individual throttle plate and fuel jet, which allows for improved air/fuel mixture and enhanced engine performance.
The Carter ThermoQuad 9151S is also characterized by its unique thermal secondaries system. This innovative design incorporates a temperature sensor that monitors engine temperature and adjusts the secondary throttle valves accordingly to ensure optimal fuel mixture under various operating conditions. This results in smoother idling, improved power output, and better fuel efficiency.
This carburetor features a mechanical secondaries system, which utilizes a linkage and cam mechanism to open the secondary throttle plates at a specific engine RPM. The linkage is adjustable, allowing for fine-tuning of the power curve to suit the specific requirements of your vehicle and driving style.
The Carter ThermoQuad 9151S is constructed of high-quality materials, including a cast aluminum body and brass components, ensuring durability and resistance to corrosion. It also features a built-in fuel pressure regulator, eliminating the need for an external regulator and simplifying the installation process.
The carburetor comes with a new gasket kit, making it a complete assembly for easy installation. It is important to note that the throttle linkage and accelerator pump may need to be adjusted to suit the specific application, and that the correct vacuum secondary system and fuel pressure must be used to ensure proper operation.
In summary, the Carter ThermoQuad 9151S is a high-performance carburetor that delivers improved power, efficiency, and drivability for 1978 and 1979 Dodge 440 V-8 engines. Its innovative thermal secondaries system and adjustable mechanical secondaries make it a popular choice among enthusiasts and restorers, and its durable construction ensures that it will continue to perform reliably for years to come.
The Carter Thermoquad Carburetor (Model 9151S) was a popular choice for the 1978-79 Dodge 440 V-8 engines due to its advanced design and improved performance. However, like any other automotive part, buying a used Carter Thermoquad carburetor comes with its advantages and disadvantages. In this analysis, we will discuss the key pros and cons to help you make an informed decision.
II. Pros1. Enhanced Performance: The Carter Thermoquad carburetor features a unique design with four separate barrels, allowing for better fuel distribution and improved engine response.
2. Improved Fuel Efficiency: The Thermoquad design helps maintain proper fuel mixture temperature, which can lead to better fuel efficiency and reduced emissions.
3. Adjustability: Thermoquad carburetors offer a high degree of adjustability, allowing users to fine-tune the engine for optimal performance.
4. Durability: Carter Thermoquad carburetors are known for their robustness and long-lasting nature, making them a popular choice among classic car enthusiasts.
5. Availability: Widely available in the aftermarket, these carburetors can be easily sourced from various suppliers and at reasonable prices.
III. Cons1. Complexity: The Thermoquad design is more intricate than conventional carburetors, which may lead to increased maintenance requirements and potential difficulties in tuning and troubleshooting.
2. Cost: Compared to standard carburetors, Thermoquad models can be more expensive due to their advanced design and popularity among classic car enthusiasts.
3. Fuel Mileage: While the Thermoquad design can improve fuel efficiency, it may not result in significant gains in real-world driving situations.
4. Cold Start Issues: Some users report difficulty in getting the engine to start in cold weather conditions, which could be attributed to the complex design or the need for proper tuning.
5. Compatibility: Ensure that the Carter Thermoquad carburetor you purchase is compatible with your specific Dodge 440 V-8 engine configuration.
IV. ConclusionThe Carter Thermoquad Carburetor (Model 9151S) offers several advantages, such as enhanced performance, improved fuel efficiency, adjustability, durability, and availability. However, its complex design, potential cold start issues, higher cost, and compatibility concerns are worth considering. Ultimately, the decision to purchase a Carter Thermoquad carburetor for your 1978-79 Dodge 440 V-8 depends on your budget, technical expertise, and desired performance improvements. If you are willing to invest the time and resources into its maintenance and tuning, the Thermoquad carburetor could potentially deliver significant performance gains.
V. RecommendationFor those who are serious about restoring their 1978-79 Dodge 440 V-8 engines and seeking maximum performance, investing in a Carter Thermoquad carburetor (Model 9151S) could be a worthwhile endeavor. However, it is crucial to ensure that you source a compatible unit, have the necessary expertise to maintain and tune it, and are prepared for the potential added costs. For those who prefer a simpler and more cost-effective solution, a standard carburetor may be a better option.
You are buying on a Carter Thermo-Quad four-barrel carburetor from 1978-79 Dodge truck 440 V-8, stamped P/N# 9151S, date code 039 8. Shipping is FREE for USA only.