ROCHESTER 17056253 Quadrajet Carburetor Cfm 4-BARREL V-8

( Brand: Rochester ), ( Manufacturer Part Number: 17056253 ), ( Type: Carb )

Review ROCHESTER Quadrajet 4-barrel Carburetor Cfm Oldsmobile V-8 fits 800 350 1976

The Rochester Quadrajet 4-barrel carburetor, model number 17056253, is a classic automotive component that is well-known for its reliability and performance. This particular carburetor is specifically designed for use with 1976 Oldsmobile 350 V-8 engines, delivering an impressive 800 CFM of airflow.

The Quadrajet carburetor is a four-barrel design, which means it has four separate throttle bodies that feed into a single intake manifold. This design allows for more efficient fuel and air mixture, providing improved engine performance and increased power output. The 17056253 model features a 350 cfm primary circuit and a 450 cfm secondary circuit, ensuring smooth and consistent fuel delivery across a wide range of engine speeds and load conditions.

One of the standout features of this carburetor is its vacuum secondaries, which are activated by engine vacuum. This allows for additional fuel to be delivered to the engine at higher RPMs, providing a power boost when needed. The carburetor also features a built-in accelerator pump, which delivers an extra shot of fuel to the engine when the throttle is quickly opened, ensuring smooth acceleration.

The Rochester Quadrajet 4-barrel carburetor is constructed from high-quality materials, including cast aluminum and brass. The carburetor body is finished in a durable black powder coat, which not only looks great but also provides excellent corrosion resistance. The carburetor is also equipped with a choke system, which allows for easy cold starting in colder weather conditions.

Installation of the Quadrajet carburetor is relatively straightforward, with clear instructions and mounting hardware included in the box. The carburetor is compatible with a wide range of 1976 Oldsmobile 350 V-8 engines, including those found in the Cutlass, Delta 88, and Toronado.

In conclusion, the Rochester Quadrajet 4-barrel carburetor, model number 17056253, is a high-performance, reliable, and durable component that is well-suited for use with 1976 Oldsmobile 350 V-8 engines. Its 800 CFM airflow rating, vacuum secondaries, and built-in accelerator pump provide improved engine performance and power, while its durable construction and easy installation make it a great choice for both DIY enthusiasts and professional mechanics.

1. Increased Airflow: The 800 CFM rating of this carburetor means it can supply more air and fuel to the engine, which can potentially improve performance and power output.

2. Wide Availability: Quadrajet carburetors are widely used and have been around for a long time, making replacement parts and technical information readily available.

3. Reliability: Quadrajet carburetors are known for their durability and reliability, which can save you money in the long run by reducing the need for frequent repairs.

1. Complexity: Carburetors can be complex to tune and maintain, especially for those without prior experience. Improper tuning can lead to poor fuel economy, reduced performance, or even engine damage.

2. Potential for Vacuum Leaks: Carburetors have numerous rubber and gasket seals that can dry out or degrade over time, leading to vacuum leaks. These leaks can cause a variety of issues, from rough idling to poor fuel economy.

3. Fuel Efficiency: While a higher CFM carburetor can provide more power, it can also result in reduced fuel efficiency. This is because more fuel is being consumed to provide the increased airflow.

Conclusion: The Rochester 17056253 Quadrajet 4-barrel carburetor can be a good choice for those looking to improve the performance of their 1976 Oldsmobile 350 V-8, as long as they are willing to put in the time and effort to properly tune and maintain the carburetor. However, those looking for improved fuel efficiency or ease of use may want to consider other options.

Recommendation: If you are comfortable with carburetors and are looking for improved performance, the Rochester 17056253 Quadrajet 4-barrel carburetor could be a good choice for your 1976 Oldsmobile 350 V-8. However, I would recommend consulting with a professional mechanic or carburetor specialist to ensure proper installation and tuning. If you are looking for improved fuel efficiency or a simpler solution, you may want to consider other options, such as a fuel injection system.

Details:

See pics for condition. Core for rebuilding or parts. Rochester Quadrajet 4-barrel carburetor, ID number 17056253 AHD with date code 2555. Linkage moves free.

Please verify part number and pics match your application. Carb core appears to be mostly complete. I am not familiar with all makes and model's this fits.

part #: 17056253 prices

• $38.08-$249.00

specifications carbcoon:

• for models: 800, 350
• for makes: Oldsmobile, Rochester
• for years: 1976
• brand: Rochester
• mpn: 17056253
• type: Carb

returns carbcoon:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

offer carbcoon:

• best offers: True
• started: July 9, 2024
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

shipping carbcoon:

• transit: 4-9 Days
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00
• type: Calculated

seller carbcoon:

• rating: 100.0%
• # reviews: 28004
• city: Sheboygan Falls, Wisconsin

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: For parts or not working

payments carbcoon:

• wallet: Apple-pay
• credit card: Mastercard
• other

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