ROCHESTER 1A5964 Carburetor Core 4GC 4-JET 4-BARREL 394 V-8

( Brand: Rochester ), ( Manufacturer Part Number: 1A5964 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Oe/oem Part Number: 1960 1961 1962 1963 ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review ROCHESTER 4gc 4-barrel Carburetor Core Oldsmobile Olds 394 V-8 fits 1959–1964

The Rochester 1A5964 4GC 4-jet 4-barrel carburetor core is a classic automotive component that was originally used in Oldsmobile Olds 394 V-8 engines from 1959 to 1964. This carburetor is a crucial part of the vehicle's fuel delivery system, supplying the engine with an optimal air-fuel mixture for efficient combustion.

The 1A5964 4GC carburetor is a 4-jet design, meaning that it utilizes four separate jets to atomize the fuel for optimum combustion. This design provides more precise fuel delivery compared to older, two-barrel carburetors, resulting in improved engine performance and drivability.

The carburetor core is constructed from high-quality materials, including cast aluminum and various metals for the internal components. The design is both durable and efficient, capable of handling the demands of a high-performance V-8 engine.

The 1A5964 4GC carburetor features a four-barrel intake manifold, which allows for a greater volume of air and fuel to be delivered to the engine. This intake manifold is designed to provide an even distribution of air and fuel to each cylinder, ensuring optimal engine performance.

The carburetor also includes various adjustments to fine-tune the fuel delivery system for specific engine conditions. These adjustments include idle mixture, main jet size, and secondary jet enrichment. These adjustments allow the carburetor to be calibrated for various driving conditions, ensuring that the engine runs smoothly and efficiently.

The Rochester 1A5964 4GC 4-jet 4-barrel carburetor core is a valuable addition for any Oldsmobile Olds 394 V-8 enthusiast looking to restore or upgrade their vehicle. Its classic design and efficient fuel delivery system make it a popular choice among collectors and performance enthusiasts alike. Whether you're restoring a vintage car or building a high-performance hot rod, this carburetor core is an essential component that will help you achieve your goals.

Buying a Rochester 1A5964 4GC 4-jet 4-barrel carburetor core for a 1959-1964 Oldsmobile Olds 394 V-8 engine comes with its own set of advantages and disadvantages.

1. Improved Performance: A 4-jet carburetor offers better fuel atomization and combustion than a single or double barrel carburetor. This results in improved engine performance, increased horsepower, and better fuel efficiency.

2. Better Idle Stability: The 4-jet carburetor design allows for better idle stability, making it easier to maintain consistent engine speed and performance.

3. Easy Adjustability: The 4-jet carburetor offers easy adjustability for various engine parameters, including idle mixture, fuel mixture, and fuel pressure.

4. Replacement Parts Availability: The Rochester 1A5964 4GC 4-jet carburetor is a common replacement part for Oldsmobile Olds 394 V-8 engines, making it easy to find replacement parts if needed.

1. Cost: The Rochester 1A5964 4GC 4-jet carburetor can be more expensive than single or double barrel carburetors due to its complex design and additional jet configuration.

2. Installation Complexity: Installing a 4-jet carburetor requires more time and effort than a single or double barrel carburetor due to its additional jet configuration and complexity.

3. Fuel System Modifications: Installing a 4-jet carburetor may require modifications to the fuel system, including the fuel pump and fuel lines, adding to the overall cost and complexity of the project.

The decision to buy a Rochester 1A5964 4GC 4-jet carburetor for a 1959-1964 Oldsmobile Olds 394 V-8 engine depends on your specific needs, budget, and technical abilities. If you are looking for improved engine performance, better idle stability, and easy adjustability, then the benefits of a 4-jet carburetor may outweigh the costs and complexity of installation. However, if you are on a tight budget or prefer a simpler installation process, then a single or double barrel carburetor may be a better option. Ultimately, it is important to weigh the pros and cons carefully and consider seeking advice from a professional mechanic before making a decision.

If you are comfortable with the added costs, complexity, and time investment required for installation, then the Rochester 1A5964 4GC 4-jet carburetor is a good choice for enhancing the performance and fuel efficiency of your 1959-1964 Oldsmobile Olds 394 V-8 engine. However, if you are on a tight budget or prefer a simpler installation process, then consider exploring other options, such as a rebuilt single or double barrel carburetor, or even considering a fuel injection system. Consulting with a professional mechanic can help you make an informed decision based on your specific needs and circumstances.

Details:

part #: 1a5964 prices

• $69.95-$488.00

specifications carbcoon:

• for makes: Oldsmobile, Olds, Rochester
• for years: 1959-1964
• brand: Rochester
• mpn: 1a5964
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Square Bore
• oe/oem part number: 1960 1961 1962 1963
• universal fitment: No
• vintage part: Yes
• country of origin: United States

seller carbcoon:

• # reviews: 7417
• city: Reading, Pennsylvania
• rating: 99.8%

general carbcoon:

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

payments carbcoon:

• wallet: Google-pay
• other
• credit card: Visa

shipping carbcoon:

• cost: $17.99
• type: Fixed
• transit: 4-9 Days
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS

returns carbcoon:

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

offer carbcoon:

• sold: 0
• options: Ship-to-home
• started: December 7, 2025
• quantity: 1
• availability: In Stock

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