fits model: 800, 350. make: Oldsmobile, Rochester. year: 1976.

( Brand: Rochester ), ( Manufacturer Part Number: 2B17056259 ), ( Type: Carb ), ( Oe/oem Part Number: V-8 )
The Rochester Quadrajet 4-barrel carburetor, model number 2B17056259, is a high-performance fuel delivery system designed specifically for older vehicles like the 1976 Oldsmobile 350. This particular carburetor boasts an impressive 800 CFM (cubic feet per minute) airflow rating, ensuring optimal engine performance under various driving conditions.
The 2B17056259 Quadrajet carburetor is a testament to Rochester's engineering expertise and commitment to delivering reliable, high-quality products. It features a four-barrel design, which allows for a more efficient mixture of air and fuel to be delivered to the engine, resulting in improved combustion and enhanced power output.
One of the standout features of this carburetor is its unique venturi design. The shape and size of the venturi are meticulously engineered to provide a smooth and consistent airflow, which in turn ensures a precise fuel-air mixture. This leads to improved throttle response, smoother engine operation, and better fuel efficiency.
The Quadrajet 4-barrel carburetor also incorporates a secondary metering system. This system, known as the Accu-Mixture, uses a separate set of jets to deliver additional fuel during high-load conditions, such as rapid acceleration or heavy lifting. This ensures that the engine always has the fuel it needs to perform at its best, without wasting fuel when it's not needed.
The 2B17056259 Quadrajet carburetor is also equipped with an electric choke, which eliminates the need for a manual choke cable. This makes starting the vehicle in cold weather simpler and more reliable, as the choke can be engaged or disengaged at the touch of a button.
In terms of installation, the Quadrajet 4-barrel carburetor is designed to fit seamlessly into the intake manifold of a 1976 Oldsmobile 350. The kit includes all the necessary hardware, including mounting brackets, gaskets, and an air cleaner base. The installation process is relatively straightforward, making it a suitable option for both DIY enthusiasts and professional technicians.
In conclusion, the Rochester Quadrajet 4-barrel carburetor, model number 2B17056259, is a high-performance fuel delivery system that delivers consistent and efficient fuel-air mixtures, improved throttle response, and enhanced power output. Its unique venturi design, secondary metering system, and electric choke make it an excellent choice for 1976 Oldsmobile 350s, offering reliable performance and ease of installation.
Pros of buying a Rochester Quadrajet 4-barrel carburetor (2B 17056259) for a 1976 Oldsmobile 350:1. Increased Power: The 800 CFM rating of this carburetor suggests it will provide more fuel and air mixture to the engine, potentially increasing horsepower and torque.
2. Fitment: This specific model (2B 17056259) is designed for Oldsmobile 350 engines, ensuring a perfect fit and reducing the need for modifications.
3. Improved Performance: The 4-barrel design allows for better airflow, which can lead to smoother engine operation and improved fuel efficiency.
4. Availability and Affordability: This is a relatively common carburetor for Oldsmobile applications, making it easy to find replacement parts and technical resources if needed.
Cons of buying a Rochester Quadrajet 4-barrel carburetor (2B 17056259) for a 1976 Oldsmobile 350:1. Complexity: Carburetors can be complex to tune and adjust for optimal performance. Improper tuning can lead to poor fuel economy, engine performance issues, or even damage to the engine.
2. Maintenance: Regular maintenance is required to keep the carburetor functioning properly. This includes cleaning the fuel bowl, adjusting the idle mixture, and ensuring the float level is correct.
3. Potential for Fuel Leaks: If not installed properly, there is a risk of fuel leaks from the carburetor. This can lead to messy cleanups or, in severe cases, engine damage.
Conclusion:The Rochester Quadrajet 4-barrel carburetor (2B 17056259) can provide improved performance, increased power, and better fuel efficiency for a 1976 Oldsmobile 350. However, the complexity and maintenance requirements should not be underestimated. It's essential to ensure the carburetor is properly installed, adjusted, and maintained to avoid potential issues.
Recommendation:If you're comfortable with carburetor tuning and maintenance, the Rochester Quadrajet 4-barrel carburetor can be a great choice for your 1976 Oldsmobile 350. However, if you're not confident in your abilities, it might be wise to consider having a professional install and tune the carburetor to ensure your engine runs smoothly and efficiently.
See pics for condition. Core for rebuilding or parts. Please verify part number and pics match your application. I am not familiar with all makes and model's this fits.
Linkage moves free. Rochester Quadrajet 4-barrel carburetor, ID number 17056259 ASC with date code 3225.