fits make: Rochester. year: 1975-77.

( Manufacturer Part Number: 17056556 ), ( Type: Carburetor ), ( Features: Quadrajet ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes )
The Rochester Quadrajet Carburetor, model number 17056556, is a vintage automotive component that was originally produced for select General Motors vehicles between the years 1975 and 1977. This carburetor, identified as AHM 1206, is a quadrajet design, meaning it utilizes four separate barrels to optimize fuel delivery for improved engine performance.
This vintage carburetor is characterized by its robust construction, designed to withstand the rigors of daily driving. The body is made of durable cast aluminum and features four separate barrels, each with its own float bowl and jet configuration. The design allows for a more precise fuel-air mixture, ensuring optimal combustion for enhanced engine power and fuel efficiency.
The Quadrajet carburetor is equipped with several adjustable features, allowing the user to fine-tune the carburetor for their specific engine setup. These adjustments include the idle mixture screws and the secondary needle and jet, which can be accessed through the top of the carburetor. The base circle size is 3.375 inches, and the venturi diameter is 1.5625 inches.
The Rochester 17056556 Quadrajet Carburetor comes with a factory-installed choke mechanism, ensuring a smooth start in cold conditions. The choke plate is actuated by a vacuum-operated system, ensuring reliable operation. Additionally, the carburetor features a power valve, which helps to improve low-end torque by enriching the fuel mixture during acceleration.
This vintage carburetor is a must-have for enthusiasts restoring or maintaining classic GM vehicles from the mid-70s. With its proven performance and iconic design, the Rochester Quadrajet Carburetor, model 17056556, is an essential component for any serious collector or restorer.
Please note that installation and tuning of this carburetor should be performed by a qualified mechanic or experienced enthusiast. Improper installation or tuning could result in poor performance or damage to the engine.
The Rochester Quadrajet carburetor model 17056556, vintage 1975-77 for GM vehicles, is a classic component of many automobiles from that era. Here are some pros and cons to consider before purchasing this used carburetor.
Pros:1. Authenticity and Vintage Appeal: The Rochester Quadrajet carburetor is a classic piece of automotive history. Its acquisition adds to the authenticity of your vehicle, especially if it's a vintage GM model.
2. Availability: Compared to other hard-to-find or obsolete parts, the Rochester Quadrajet carburetor is relatively common. You can find it at various salvage yards, online marketplaces, and through specialty parts suppliers.
3. Replacement Potential: If your vehicle's original carburetor is not functioning correctly or is beyond repair, this Quadrajet carburetor can serve as a functional replacement.
Cons:1. Complexity: Carburetors, in general, are known for their complexity. The Rochester Quadrajet carburetor is no exception. Installing and tuning this carburetor might require professional assistance or extensive research and effort.
2. Cost: Buying a used Rochester Quadrajet carburetor can be less expensive than purchasing a new one. However, the cost can still be significant, especially when considering the potential labor costs for installation and tuning.
3. Potential for Issues: As with any used part, there's a risk of encountering unforeseen issues. The Quadrajet carburetor may have hidden damage or wear that could require additional repairs or replacement parts.
Conclusion:The decision to buy a Rochester Quadrajet carburetor, model 17056556, depends on your specific circumstances. If you're an experienced mechanic or vintage car enthusiast, this carburetor could be an excellent addition to your project. However, if you're new to car repair or working on a tight budget, it might be wiser to consider other options, such as a rebuilt or new carburetor.
Recommendation: Before purchasing a used Rochester Quadrajet carburetor, consider the following recommendations:1. Research: Learn as much as you can about the carburetor, its installation, and tuning. Consult online resources, forums, and expert advice to ensure a smooth installation process.
2. Inspection: Inspect the carburetor carefully before purchasing. Look for any signs of damage, such as cracks, leaks, or worn components.
3. Alternatives: Consider alternative options, such as a rebuilt or new carburetor. While these options may be more expensive upfront, they could save you time and potential headaches in the long run.
Date Stamp, 1206. Sold As Parts Only.