ROCHESTER 7040105 Jet Barrel Carburetor 2GC 2GV

( Manufacturer Part Number: 7040105 ), ( Type: Carburetor )

Review ROCHESTER Jet 2gc 2gv Barrel Carburetor Model

Rochester 7040105 Jet 2GC/2GV Barrel Carburetor

The Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is a classic automotive component known for its durability and reliability. This carburetor is a direct replacement for original equipment on various applications, delivering optimal engine performance.

The Jet 2GC/2GV is a 2-barrel carburetor, featuring two separate barrels that can accommodate larger fuel requirements. Each barrel comes with an adjustable jet needle and employs a power venturi design to ensure smooth idling and efficient fuel consumption. The carburetor is equipped with a manual choke, enabling easy starting in cold conditions.

The primary jet circuit in the 7040105 Jet 2GC/2GV carburetor is designed with a secondary metering rod. This feature ensures precise fuel metering for various engine operating conditions, leading to better fuel economy and reduced emissions. The secondary metering rod is easily adjustable, allowing for fine-tuning of the carburetor to accommodate various engine modifications and requirements.

The 2GC/2GV carburetor comes with a vacuum secondary system. This system utilizes a vacuum-operated accelerator pump, which delivers additional fuel to the engine during periods of heavy acceleration for improved performance. The carburetor also includes a power valve, which enhances engine power and torque by optimizing fuel delivery during high RPM operation.

The Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is designed with a brass body, ensuring long-lasting durability. The carburetor is also equipped with a chrome plated steel float bowl gasket and an anodized aluminum throttle shaft, providing additional protection against corrosion and wear. The carburetor is easy to install and requires minimal tuning, making it an excellent choice for both professional mechanics and DIY enthusiasts.

In summary, the Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is a high-performance, reliable, and durable component that delivers optimal engine performance for various applications. Its adjustable features, power venturi design, vacuum secondary system, and brass body construction make it an excellent choice for those seeking improved fuel efficiency, enhanced engine power, and unmatched reliability.

Pros and Cons of buying a Rochester 7040105 Jet 2GC/2GV Barrel Carburetor

The Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is a popular choice for classic car enthusiasts and restorers. This carburetor is known for its durability and ability to deliver consistent performance. However, like any other product, it comes with its advantages and disadvantages.

1. Authenticity: This carburetor is an original Rochester product, making it an excellent choice for those looking to maintain the originality of their classic cars.

2. Durability: The Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is built to last. It is made of high-quality materials and features robust designs that can withstand the test of time.

3. Consistent Performance: This carburetor delivers consistent performance, making it an ideal choice for those who value reliability.

4. Easy to Install: The Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is relatively easy to install. It comes with clear instructions and can be installed with the right tools and some mechanical knowledge.

1. Cost: This carburetor can be relatively expensive compared to some aftermarket alternatives.

2. Complexity: The Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is a complex piece of machinery. It requires a good understanding of carburetion and some mechanical knowledge to tune and maintain it.

3. Availability of Spare Parts: Finding spare parts for this carburetor can be challenging, especially if you need them urgently.

The Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is a high-quality, durable, and reliable product. It is an excellent choice for those looking to maintain the authenticity of their classic cars. However, it comes with a few drawbacks, such as cost, complexity, and availability of spare parts.

If you are looking for a high-performance carburetor for your classic car and are willing to invest in a product that requires some mechanical knowledge and occasional maintenance, then the Rochester 7040105 Jet 2GC/2GV Barrel Carburetor is an excellent choice. However, if you are on a tight budget or prefer a simpler and more accessible alternative, you may want to consider aftermarket carburetors. Ultimately, the decision is yours, and we hope this information helps you make an informed choice.

Details:

7040105: This is the primary Rochester OEM identification number. 343il91 / 37718: These are internal GM casting numbers or production date codes used during manufacturing to identify specific component batches. Carburetors with this number were primarily factory-installed on late-1960s to early-1970s Chevrolet and GMC trucks typically equipped 307-cubic-inch or 366/427-cubic-inch V8 engines.

part #: 7040105 prices

• $45.00-$69.95

specifications carbcoon:

• for makes: Rochester
• mpn: 7040105
• type: Carburetor

payments carbcoon:

• credit card: Diners-club
• wallet: Apple-pay
• other

offer carbcoon:

• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: May 17, 2026

seller carbcoon:

• city: Norwood, Missouri
• rating: 100.0%
• # reviews: 1229

general carbcoon:

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

returns carbcoon:

• policy: No Returns

shipping carbcoon:

• carrier: USPS
• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• cost: $11.03
• transit: 4-10 Days

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