ROCHESTER 7040062 Carburetor Carb 2-BARREL 2GV

( Brand: Rochester ), ( Manufacturer Part Number: 7040062 ), ( Type: Carb )

Review ROCHESTER Rebuilt 2-barrel Carburetor Carb 2gv Pontiac fits 350 400 455 1970

The Rochester 7040062 2-barrel carburetor is a classic piece of automotive history, specifically designed for use with 1970 Pontiac engines, including the 350, 400, and 455 V8 powerplants. This carburetor is a testament to the engineering prowess of the Rochester Products Corporation, a company renowned for its contributions to the automotive industry.

The 7040062 carburetor is a 2-barrel unit, which means it has two separate barrels for fuel supply. Each barrel is equipped with its own choke mechanism, allowing for precise control of the air-fuel mixture during cold starts. The carburetor features a 750 CFM (cubic feet per minute) capacity, ensuring adequate fuel supply even under high engine load conditions.

The carburetor's primary venturi is 2-inch in diameter, providing a large area for air and fuel mixture to mix and flow into the engine. The secondary venturi, which is smaller, helps to fine-tune the air-fuel mixture for optimum performance at higher RPMs. The carburetor is also equipped with a vacuum secondary system, which allows the secondary venturi to open and close based on engine vacuum, further enhancing performance and fuel efficiency.

The 7040062 carburetor is equipped with a mechanical fuel pump, which draws fuel from the fuel tank and delivers it to the carburetor. The pump is powered by engine vacuum, ensuring reliable fuel delivery even under high load conditions. The carburetor also features a fuel pressure regulator, which maintains a consistent fuel pressure in the carburetor, ensuring smooth engine operation.

The carburetor is equipped with a linkage system that allows the driver to control the throttle position and the choke position. The throttle linkage connects the accelerator pedal to the carburetor, allowing the driver to control engine speed. The choke linkage connects the choke lever to the carburetor, allowing the driver to richen the fuel mixture during cold starts for easier engine starting.

The 7040062 carburetor is known for its durability and reliability, featuring high-quality materials and precise engineering. The carburetor body is made of cast aluminum, which is lightweight and resistant to corrosion. The carburetor's internal components are made of high-quality materials, including brass and stainless steel, ensuring long-term performance and durability.

In conclusion, the Rochester 7040062 2-barrel carburetor is a high-quality, reliable, and durable carburetor designed for use with 1970 Pontiac engines. Its large capacity, mechanical fuel pump, and vacuum secondary system ensure smooth and efficient engine operation. Its robust construction and precise engineering make it a reliable choice for both performance enthusiasts and everyday drivers.

1. Reputation: Rochester is a well-known brand with a strong reputation for producing high-quality carburetors.

2. Fit and Compatibility: This particular model is designed to fit 1970 Pontiac vehicles with 350, 400, or 455 engines, ensuring a seamless installation.

3. Performance: The 2-barrel design provides good power and gas mileage, making it an excellent choice for daily driving or performance upgrades.

4. Availability of Spare Parts: As a popular model, spare parts for this carburetor are widely available, ensuring easy maintenance and repair when needed.

1. Complexity: Carburetors can be complex to tune and adjust, requiring a certain level of mechanical skill to get them running optimally.

2. Vulnerability to Fuel Quality: Carburetors can be sensitive to poor fuel quality, which may result in reduced performance or engine issues.

3. Potential for Leaks: Carburetors have numerous seals and gaskets that can potentially leak, requiring regular maintenance and inspection.

In conclusion, the Rochester 7040062 2-barrel carburetor is a reliable and high-performing choice for a 1970 Pontiac 350, 400, or 455, provided that you are willing to invest time and effort in tuning and maintaining it. Its widespread availability of spare parts, strong brand reputation, and suitable fit make it a popular choice among car enthusiasts.

Recommendation: If you are comfortable with the potential complexities and maintenance required for a carburetor, the Rochester 7040062 2-barrel carburetor is a solid choice for enhancing the performance of your 1970 Pontiac. However, it may be worth considering an EFI (electronic fuel injection) system if you value simplicity, ease of use, and reduced maintenance requirements.

Details:

It is dusty/dirty and shows some patina from handling sitting on the shelf. Might need a light cleaning/freshen before use. I am not familiar with all makes and model's this fits. See pics for condition.

Rebuilt Rochester 2GV 2-barrel carburetor, stamp number 7040062. Please verify part number and pics match your application. Throttle bores measure 1-11/16 and base mounting bolt pattern to measures 2 by 3-5/8.

part #: 7040062 prices

• $47.00-$169.00

specifications carbcoon:

• for models: 350, 400, 455
• for makes: Pontiac, Rochester
• for years: 1970
• brand: Rochester
• mpn: 7040062
• type: Carb

general carbcoon:

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

seller carbcoon:

• rating: 100.0%
• # reviews: 27939
• city: Sheboygan Falls, Wisconsin

payments carbcoon:

• wallet: Apple-pay
• credit card: American-express

offer carbcoon:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: June 29, 2024
• best offers: True

shipping carbcoon:

• class: Standard
• carrier: USPS
• type: Calculated
• transit: 7-12 Days
• cost: $0.00
• service: USPS Ground Advantage

returns carbcoon:

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

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