fits make: Dodge, Chrysler, Mopar. year: 1978.

( Brand: Carter ), ( Manufacturer Part Number: 9140S ), ( Modified Item: No ), ( Placement On Vehicle: Front ), ( Type: Carburetor ), ( Ipn: 9140s 312 7 ), ( Oe/oem Part Number: 9140s 312 7, 9140s, 9140 S ), ( Features: Thermoquad ), ( Country/region Of Manufacture: United States )
The Carter 9140S Thermoquad Carburetor is a high-performance, fuel-injection replacement for the traditional carburetor in 1978 Mopar 400ci engines, such as those found in Dodge Chryslers. This particular model, C4-TQ, is specifically designed for the 1978 Dodge Charger, Challenger, and other Mopar vehicles with this engine size.
The Carter 9140S Thermoquad Carburetor stands out for its innovative Thermoquad design, which combines the benefits of a quad-barrel carburetor with the precision of fuel injection. This design features four separate barrels, each with its own venturi and throttle plate, allowing for a more precise and efficient fuel-air mixture. The Thermoquad system also includes a thermostatic air temperature control, which adjusts the air-fuel mixture based on the engine temperature, ensuring optimal performance in various driving conditions.
One of the key features of the Carter 9140S Thermoquad Carburetor is its electric choke, which eliminates the need for a mechanical vacuum advance system. This feature provides quicker and more reliable cold starts, as well as improved fuel efficiency and emissions performance. The carburetor also features a vacuum secondary system, which provides additional fuel at high engine loads for improved power and torque.
The Carter 9140S Thermoquad Carburetor is made with high-quality materials and construction, ensuring durability and reliability. The carburetor body is made of cast aluminum, and the throttle plates and linkages are made of precision-machined steel. The carburetor is also equipped with a multi-port fuel filter, which helps to keep the fuel supply clean and free of debris.
In terms of installation, the Carter 9140S Thermoquad Carburetor is designed to be a direct replacement for the factory carburetor on 1978 Mopar 400ci engines. The carburetor comes with all necessary mounting hardware and a detailed installation manual, making the installation process straightforward and easy for most DIY mechanics.
Overall, the Carter 9140S Thermoquad Carburetor is a high-performance, fuel-injection replacement for the traditional carburetor in 1978 Mopar 400ci engines. Its Thermoquad design provides precision fuel-air mixture, electric choke for quicker starts, and vacuum secondary system for improved power and torque. The high-quality construction and straightforward installation make it a great choice for Mopar enthusiasts looking to upgrade their carburetors for better performance and reliability.
Pros of buying a Carter 9140S Thermoquad carburetor for a 1978 Mopar 400ci engine:1. Improved fuel efficiency: The Thermoquad design allows for better fuel mixtures, which can result in improved fuel efficiency.
2. Improved performance: The Thermoquad design can provide better air/fuel mixtures at all RPMs, which can result in improved performance.
3. Easy installation: The Carter 9140S Thermoquad carburetor is designed to be a direct replacement for the original Carter AFB carburetor, making installation relatively straightforward.
4. Durable: Carter carburetors are known for their durability, and the 9140S Thermoquad is no exception.
Cons of buying a Carter 9140S Thermoquad carburetor for a 1978 Mopar 400ci engine:1. Higher cost: Thermoquad carburetors tend to be more expensive than traditional carburetors, which can be a deterrent for some buyers.
2. Need for tuning: Thermoquad carburetors require more tuning to get them running optimally, which can be a time-consuming process.
3. Compatibility issues: The Carter 9140S Thermoquad was originally designed for newer engines, and some may require modifications to fit properly on a 1978 Mopar 400ci engine.
Conclusion:The Carter 9140S Thermoquad carburetor can provide improved fuel efficiency, performance, and durability for a 1978 Mopar 400ci engine. However, its higher cost, need for tuning, and potential compatibility issues are important considerations. Ultimately, whether or not to purchase the Carter 9140S Thermoquad carburetor depends on the individual's priorities and budget.
Recommendation:If the potential benefits of improved fuel efficiency, performance, and durability outweigh the costs and potential difficulties of installation and tuning, then the Carter 9140S Thermoquad carburetor could be a worthwhile investment. However, it is also recommended to do thorough research and consult with a mechanic to ensure that the carburetor is compatible with the specific engine and vehicle.
Warranty Information. SHIPPING PRICE BASED ON LOWER 48 USA ONLY. PART NUMBER: 9140S / 9140.