ROCHESTER 7026255 Quadrajet Carburetor A52

( Brand: Rochester ), ( Manufacturer Part Number: 7026255 ), ( Features: Quadrajet ), ( Type: Carburetor )

Review ROCHESTER Quadrajet Oldsmobile Carburetor A52 fits 330 1966

Introducing the Rochester Quadrajet 1966 Oldsmobile 330 Carburetor A52, a high-performance fuel delivery system designed for Oldsmobile vehicles from the 1960s. This Quadrajet carburetor is a four-barrel design, offering improved throttle response, smoother idling, and increased horsepower compared to the standard two-barrel carburetors of the time.

The Rochester 1966 Oldsmobile 350 Quadrajet A52 is a complex and intricately engineered component. Each carburetor body is cast from iron and features four separate intake runners, each equipped with a meticulously calibrated jet and needle assembly. The jets and needles are responsible for regulating the fuel-air mixture entering the engine, ensuring a perfect balance for optimal combustion.

The primary fuel metering system of the Quadrajet 1966 Oldsmobile 330 Carburetor A52 includes a unique venturi design. This design incorporates a secondary throttle valve located just below the main throttle plates. This secondary valve acts as a choke during deceleration, enriching the fuel-air mixture to prevent stalling and improve drivability.

Equipped with a mechanical fuel pressure regulator, this carburetor offers precise control over the fuel pressure to ensure an efficient fuel delivery system. The regulator is located beneath the carburetor body and is accessible through the bottom.

The Rochester Quadrajet 1966 Oldsmobile 330 Carburetor A52 comes with a variety of included hardware to facilitate a straightforward installation process. This hardware includes mounting brackets, fuel lines, throttle linkages, and gaskets. Additionally, the carburetor features a built-in air cleaner base, further simplifying the installation process.

The Quadrajet 1966 Oldsmobile 330 Carburetor A52 is a testament to the engineering prowess of the Rochester Products Division. Its intricate design, precise calibration, and comprehensive inclusion of necessary hardware make it an ideal choice for Oldsmobile enthusiasts seeking to enhance their vehicle's performance and drivability.

Please note that installing a performance carburetor like this Quadrajet may require additional tuning and adjustments to ensure optimal engine performance. Consult with a professional mechanic or carburetor specialist for proper installation and tuning procedures.

Buying a Rochester Quadrajet 1966 Oldsmobile 330 carburetor (Part Number: A52) can be a viable option for those restoring or working on a classic Oldsmobile with a 330 cubic inch engine. Here are some pros and cons to consider before making a purchase.

1. Authenticity: A rebuilt or new Quadrajet carburetor is an original replacement part for Oldsmobile 330 engines, ensuring a correct and authentic restoration.

2. Improved Performance: The Quadrajet carburetor was designed to provide smooth idle, improved fuel economy, and quicker throttle response, resulting in better performance for your Oldsmobile.

3. Availability: New and rebuilt Quadrajet carburetors are readily available from various vendors, ensuring an accessible option for those seeking to restore their Oldsmobile.

4. Support Community: A large community of Oldsmobile enthusiasts and restoration specialists can provide valuable advice, tips, and resources when dealing with Quadrajet carburetors, making the process more enjoyable.

1. Cost: New and rebuilt Quadrajet carburetors can be expensive compared to other aftermarket options, which may be a deterrent for some Oldsmobile owners.

2. Complexity: A Quadrajet carburetor is more complex than some modern carburetors, requiring a higher level of expertise for installation and tuning, potentially leading to additional costs for professional help.

3. Potential for Issues: As with any used or rebuilt part, there is a risk that the carburetor may have hidden issues or require additional modifications to function properly, adding to the overall cost and time investment.

The decision to purchase a Rochester Quadrajet 1966 Oldsmobile 330 carburetor (Part Number: A52) ultimately depends on your personal goals, budget, and expertise. If you are seeking an authentic and high-performing option for your classic Oldsmobile restoration, the Quadrajet carburetor is an excellent choice. However, consider the potential costs and complexity involved and weigh these factors against the benefits before making your purchase.

If you are confident in your mechanical abilities, have the necessary resources, and have a significant budget for the restoration, a new or rebuilt Rochester Quadrajet 1966 Oldsmobile 330 carburetor (Part Number: A52) is a recommended choice for optimal performance and authenticity. Alternatively, if your budget is limited or you are seeking a more cost-effective option, consider researching other aftermarket carburetors that may offer similar performance and compatibility with your Oldsmobile 330 engine.

Details:

Needs rebuilding, in good shape. Used, see pictures.

part #: 7026255 prices

• $75.99-$399.99

specifications carbcoon:

• for models: 330
• for makes: Oldsmobile, Rochester
• for years: 1966
• brand: Rochester
• mpn: 7026255
• features: Quadrajet
• type: Carburetor

shipping carbcoon:

• cost: $0.00
• type: Fixed
• transit: 10-10 Days
• class: Standard
• service: Standard

general carbcoon:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

seller carbcoon:

• city: Huntingdon Valley, Pennsylvania
• # reviews: 3434
• rating: 99.5%

returns carbcoon:

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

payments carbcoon:

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

offer carbcoon:

• sold: 0
• quantity: 1
• started: December 16, 2025
• options: Ship-to-home
• availability: In Stock

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