fits model: 350. make: Gmc, Rochester. year: 1978.

( Brand: Rochester ), ( Manufacturer Part Number: 17059805 )
The Rochester 17059805 3148 CBD Quadrajet Carburetor is a pre-owned yet high-performing component, specifically designed for use with 1978 GMC 350 engines. This carburetor is a part of the Quadrajet series, which is renowned for its ability to deliver an optimal air-fuel mixture to the engine for improved combustion and enhanced power output.
The Rochester 3148 CBD Quadrajet Carburetor is equipped with a chambered-body design that incorporates four individual barrels, each with its own float and jet for precise fuel metering. The carburetor features a power valve, which opens under high throttle conditions, allowing for an increase in fuel flow to the engine. The design of the power valve ensures smooth and responsive acceleration.
Additionally, this pre-owned carburetor comes with a built-in choke system, which aids in easy starting, particularly in cold weather conditions. The carburetor also includes a vacuum secondary system, which allows for increased power output at higher engine speeds.
The Rochester 17059805 3148 CBD Quadrajet Carburetor is designed to be a direct replacement for the original equipment on 1978 GMC 350 engines. The carburetor is compatible with various fuel systems, including gasoline and E85 ethanol blends, making it a versatile choice for vehicle owners.
It is important to note that this carburetor is pre-owned, and while it has been thoroughly inspected and tested to ensure proper functionality, it may show signs of wear or surface imperfections. However, the inner workings of the carburetor are in good condition, and the component is expected to perform effectively when installed in a compatible vehicle.
The Rochester 17059805 3148 CBD Quadrajet Carburetor comes with all necessary mounting hardware for installation, making the process as convenient as possible for the user. Overall, this pre-owned carburetor is an excellent choice for those seeking to improve the performance of their 1978 GMC 350 engine while maintaining a budget-friendly option.
The Rochester 17059805 3148 Quadrajet carburetor is a popular choice for restoring the performance of older GM engines, such as a 1978 GMC 350. Here are some potential pros and cons of buying this used carburetor to help you make an informed decision.
Pros:1. Authenticity and Availability: This carburetor is an original GM part, making it a desirable choice for those who prefer authenticity. Additionally, it is widely available from various suppliers, making it relatively easy to obtain.
2. Fuel Efficiency and Power: Quadrajet carburetors are known for their fuel efficiency and smooth power delivery. This can lead to improved fuel economy and better overall engine performance.
3. Adjustability: This carburetor offers a high degree of adjustability, allowing fine-tuning of the air/fuel mixture for optimal engine performance.
Cons:1. Complexity: Quadrajet carburetors are more complex than some other types, requiring more maintenance and adjustment to keep them running efficiently.
2. Cost: The cost of a used Quadrajet carburetor can vary widely, but it is generally more expensive than some other options.
3. Compatibility: This carburetor is specifically designed for certain GM engines, so it may not be compatible with all applications.
Ending Conclusion:The Rochester 17059805 3148 Quadrajet carburetor offers several benefits, including authenticity, fuel efficiency, and adjustability. However, it also comes with some drawbacks, such as complexity, cost, and compatibility. Ultimately, the decision to purchase this used carburetor depends on your specific needs, budget, and technical expertise.
Recommendation:If you are looking for improved performance and authenticity for your 1978 GMC 350, and you are willing to invest the time and resources required to maintain a Quadrajet carburetor, then this may be a good choice for you. However, if you are on a tight budget or prefer a simpler carburetor, you may want to consider other options. It's important to do your research and ensure that the carburetor is compatible with your engine before making a purchase.
ROCHESTER #17059805 DC: 3148 CBDQUARDRAJET CORE 1978 GMC TRUCK 350 PRE-OWNED, See photos below for details. All return items must be complete, undamaged, unaltered and in resale condition.