ROCHESTER 7042103 Barrel Carburetor 7042100 2-JET R2-2GV

( Brand: Rochester ), ( Manufacturer Part Number: 7042103 ), ( Modified Item: No ), ( Placement On Vehicle: Front ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Ipn: 7042100 ), ( Country/region Of Manufacture: United States )

Review ROCHESTER Barrel Carburetor Chevrolet Gmc Pontiac fits 1972

The Rochester 7042103 2-jet R2-2GV carburetor is a classic automotive component that was originally designed for use in various applications on 1972 model year Chevrolet, GMC, and Pontiac vehicles. This carburetor, which is part number 7042100 in the Rochester catalog, is characterized by its two-barrel design and advanced 2-GV (Gen II) technology, which optimizes fuel delivery and airflow for superior engine performance.

The 2-jet design of this carburetor features two separate barrels, each with its own float bowl and jet configuration, allowing for a more efficient fuel delivery system. The R2-2GV designation refers to the second generation of the 2-GV carburetor, which incorporates several refinements and improvements over its predecessor, including enhanced idle stability, smoother idle quality, and improved fuel economy.

The Rochester 7042103 carburetor is equipped with a number of features that make it a popular choice among automotive enthusiasts and restorers. For example, it includes a vacuum secondary system, which uses engine vacuum to enrich the fuel mixture during acceleration, providing smoother and more responsive power delivery. It also features electric choke operation, which makes starting the vehicle easier in cold weather conditions.

This carburetor is constructed from high-quality materials, including cast aluminum and brass components, and is designed to withstand the rigors of regular use. It is also easily adjustable, with external adjustments for idle mixture, main jet size, and secondary enrichment, allowing for fine-tuning of the fuel mixture for optimal engine performance.

The Rochester 7042103 2-jet R2-2GV carburetor is a must-have for anyone restoring a 1972 Chevrolet, GMC, or Pontiac vehicle, or for anyone seeking to upgrade the carburetor on their classic ride for improved performance and reliability. With its classic design, advanced technology, and high-quality construction, this carburetor is sure to be a valuable addition to any automotive project.

Pros and Cons of Buying a Rochester 7042103 Carburetor for a 1972 Chevrolet, GMC, or Pontiac

The Rochester 7042103 carburetor, also known as the 2-jet R2-2GV, is a popular choice for restoring or upgrading the fuel delivery system in 1972 Chevrolet, GMC, and Pontiac vehicles. This carburetor is known for its reliable performance and classic design. In this article, we will discuss the pros and cons of buying this carburetor to help you make an informed decision.

1. Improved Fuel Efficiency: The Rochester 7042103 carburetor is designed to provide better fuel economy compared to some older carburetors. This is due to its advanced 2-jet design, which ensures a more precise fuel-air mixture.

2. Easy to Install: This carburetor is generally easy to install, as it is a direct replacement for the original carburetor on 1972 Chevrolet, GMC, and Pontiac vehicles. The only modifications required are some adjustments to the linkage and the fuel system.

3. Reliable Performance: The Rochester 7042103 carburetor is known for its reliable performance. It provides smooth idling, good acceleration, and consistent power throughout the RPM range.

4. Classic Design: For those who prefer a more traditional look, this carburetor offers a classic design that is reminiscent of the muscle cars of the 1970s.

5. Wide Availability: This carburetor is widely available from various automotive parts suppliers, both online and offline. This ensures that it is easy to find and purchase, even if you are not located near a specialized performance shop.

1. Higher Cost: Compared to some standard OEM carburetors, the Rochester 7042103 carburetor may be more expensive. However, its advanced design and improved performance make it a worthwhile investment for some enthusiasts.

2. Complex Adjustments: While the installation process is relatively straightforward, the Rochester 7042103 carburetor requires more complex adjustments to achieve optimal performance. These adjustments may require some expertise, and getting the settings just right can be a time-consuming process.

3. Potential Compatibility Issues: While this carburetor is a direct replacement for many 1972 Chevrolet, GMC, and Pontiac models, there may be compatibility issues with some vehicles. It is important to verify that this carburetor is compatible with your specific make and model before making a purchase.

The Rochester 7042103 carburetor is a great choice for those seeking improved fuel efficiency, reliable performance, and a classic look for their 1972 Chevrolet, GMC, or Pontiac. While it may require some expertise to install and fine-tune, its benefits far outweigh the challenges for many enthusiasts. However, it is important to ensure compatibility with your specific vehicle before making a purchase.

If you are considering purchasing a Rochester 7042103 carburetor for your 1972 Chevrolet, GMC, or Pontiac, we recommend doing thorough research to ensure compatibility and being prepared for the installation and fine-tuning process. Consider consulting a professional mechanic or performance shop for guidance if you are unsure about any aspect of the installation process. Overall, this carburetor is a worthwhile investment for those seeking improved performance and a classic look for their vintage vehicle.

Details:

SHIPPING PRICE BASED ON LOWER 48 USA ONLY. USED 2-BARREL ROCHESTER R2-2GVCARBURETOR. PART NUMBER: 7042100. FOR 1972 CHEVROLET, GMC, AND PONTIAC.

Warranty Information.

part #: 7042103 prices

• $62.00-$160.00

specifications carbcoon:

• for makes: Chevrolet, Gmc, Pontiac, Rochester
• for years: 1972
• brand: Rochester
• mpn: 7042103
• modified item: No
• placement on vehicle: Front
• choke type: Mechanical
• type: Carburetor
• ipn: 7042100
• country/region of manufacture: United States

offer carbcoon:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: February 24, 2025

shipping carbcoon:

• service: Standard
• transit: 3-7 Days
• type: Fixed
• class: Standard
• cost: $0.00

seller carbcoon:

• # reviews: 31202
• rating: 99.4%
• city: Santa Ana, California

general carbcoon:

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

returns carbcoon:

• policy: No Returns

payments carbcoon:

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

Rochester 7042103 Is Similar To:

• Chevrolet 7040134 1970s Chevelle 2 Barrel Rochester 350 400 Jet Carburetor (39.8% similar) 1970 S Rochester 2 jet my catalog shows fit 1970 350 400 its complete not frozen will probably need a rebuild shipping is $15.00 message NE with questions...(May 16th, 2024)
• Rochester 7043208 3042 4bbl Quadrajet Carburetor Qc 3042 Parts Or Repair (49.7% similar) Buy it!, because, while you are trying to carve a few pennies off of the price, someone else comes in and buys it at full price. I will decline any offer that requires me to pay the shipping. I have not opened it up, so do know what parts are or not in. This is a Rochester quadrant 4BBL...(May 17th, 2024)
• Rochester Carter 7042206 1972 Chevy Gmc Truck 402 454 Carburetor Carb Quadrajet (43.4% similar) This is a Chevy 402/454 q-jet carb 7042206 the stamped number. It moves freely and looks pretty good but may need rebuilding from sitting...(May 17th, 2024)
• Rochester 17058110 Gm 2bbl Carburetor For 1978 Buick Oldsmobile Pontiac Chevy (54.9% similar) It should be gone through and cleaned. Used Rochester carb 17058110 in good condition...(May 17th, 2024)
• Rochester C1539 1974 Corvette Chevy 454 M t Carburetor 7044201 Nov 1973 Date Code (53.3% similar) Heres a rare Rochester 4BBL carb made for the 1974 corvette 454 manual transmission #7044201. Needs to be cleaned and rebuilt...(May 17th, 2024)
• Rochester 17059216 1979 Corvette Q-jet Quadrajet Carburetor Carb Gm (53.2% similar) Heres a used Rochester jet carburetor that needs rebuild. See pictures...(May 17th, 2024)
• Rochester 7004497 Oem 1 Barrel Carburetor Chevy Gmc B-style Inline 6 Cyl Engine 216 235 (50.6% similar) Shafts are not stuck. Looks to be complete. 1940S, early 1950S Rochester 1BBL carburetor. No noticeable damage, cracks or repairs. For rebuild or parts...(May 17th, 2024)
• Rochester 7024046 2300 Used 2 Barrel 2-jet Carburetor R2-2gc 1964 Buick 7026534 (60.2% similar) It has been designed to meet the OE/oem specifications and is compatible with a range of engines. The barrel count is 2 and it a non-modified, non-performance part. The carburetor is in good working order and comes with a manufacturer part number of 7026534, 7024046 2300. It has a front...(May 17th, 2024)
• Rochester 7029104 2-barrel Carburetor 2gv 1969 Chevrolet Chevy 327 350 396 400 (60.6% similar) Rochester 2 bbl my catalog shows fits Chevy model's 1969 327 350 396 400 missing the choke pull off rod not frozen selling as is $15.00 for shipping message me with any questions...(May 18th, 2024)
• Rochester 17082207 Q-jet Carburetor 305 350 Chevy 5.0 5.7 Olds (53.7% similar) It should be gone through and cleaned. Here is a used gm Rochester carb 17082207 from an 80S Chevy 307 or 350 5.0 5.7 old's...(May 18th, 2024)
• Pontiac 17080272 1980 80 Rochester Q-jet Carburetor 301 4.9l Trans Am Firebird (40% similar) It should be gone through and cleaned. Its in good condition Siri on but dirty and dusty...(May 18th, 2024)