fits model: 318. make: Dodge, Mopar, Rochester. year: 1971.

( Brand: Rochester ), ( Manufacturer Part Number: RB7041180 ), ( Type: Carburetor )
The Rochester RB7041180 2-barrel carburetor is a classic component of the 1971 Dodge 318 V-8 Mopar engine. This carburetor, manufactured by Rochester Products, is specifically designed to deliver efficient fuel delivery and excellent performance for this particular engine model.
The RB7041180 2-barrel carburetor features a 2-barrel design, which allows for a simpler fuel delivery system compared to a 4-barrel engine. Each barrel is equipped with a functional length of 2.2 inches, providing ample fuel supply for the engine's needs. With a venturi diameter of approximately 0.720 inches, this carburetor achieves an optimal fuel-air mixture for optimal combustion.
One distinguishing feature of this carburetor is its adaptability. When combined with the correct intake, it can be employed on various Mopar applications besides the 1971 Dodge 318 V-8. Naturally aspirated and induction-heated performance applications are ideal candidates for this carburetor, making it a versatile and adaptive component for Mopar enthusiasts.
Under the hood, you'll find critical components such as the primary and secondary throttle bodies, idle mixture screws, fuel jets, emulsion tubes, and the carburetor body itself, all well-crafted for dependable and efficient fuel delivery. The substantial intake manifold (which is available separately) securely holds these parts in place and optimizes overall airflow, ensuring the engine receives the perfect blend of air and fuel for every driving condition.
The Rochester RB7041180 2-barrel carburetor is equipped with a vacuum secondary system, which delivers additional fuel to the engine during periods of increased RPM and load to ensure responsible and efficient power output. For ease of maintenance, this carburetor comes with accessible adjustment points, such as the choke lever, idle mixture screws, and primary and secondary throttle stop screws, enabling users to fine-tune their engine's performance to their liking.
This carburetor is finished with a durable white porcelain coating that safeguards against oxidation and wear, ensuring a visually appealing and long-lasting addition to any Mopar powered vehicle. Its familiar and iconic Rochester branding further underlines its authenticity and historical significance within the automotive community.
In conclusion, the Rochester RB7041180 2-barrel carburetor is an exciting addition for Mopar enthusiasts seeking a reliable and high-performing fuel delivery system for their 1971 Dodge 318 V-8 powered vehicle. Its proven design, adaptability, and ease of tuning make it an optimal choice for both restoration projects and performance enhancement applications.
The Rochester Quadrajet carburetor, specifically model RB7041180, was used on various Mopar applications, including the 1971 Dodge 318 V-8 engine. whenever dealing with specific parts like the RB7041180 carburetor for a classic vehicle, it's essential to consider both advantages and disadvantages before making a purchase.
Advantages of buying a Rochester RB7041180 Quadrajet Carburetor:1. Vintage Appeal: The RB7041180 carburetor is an original equipment part for many Mopar muscle cars. Installing this carburetor on your 1971 Dodge represents authenticity and originality.
2. Improved Performance: Compared to older 2-barrel carburetors, the Quadrajet offered improved performance and throttle response. Installing a rebuilt RB7041180 carburetor may help enhance your engine's output.
3. Availability: These carburetors are readily available from various automotive supply stores and online marketplaces, providing a relatively easy acquisition process.
4. Durability: Rochester Quadrajets are known for their robust structure and longevity when properly maintained, ensuring a long-term investment.
Disadvantages of buying a Rochester RB7041180 Quadrajet Carburetor:1. Cost: Original RB7041180 Quadrajets can be costly, and the price may increase when purchasing a rebuilt version. The expense may surpass that of a modern carburetor or fuel injection system.
2. Complexity and Tuning: Unlike modern fuel injection systems, Quadrajets require specific tuning and expertise for optimal performance. A less-than-perfect tune may lead to drivability issues.
3. Environmental Factors: The RB7041180 Quadrajet delivers raw fuel to the engine, contributing to higher emissions compared to fuel injection systems.
Conclusion:The decision to purchase a Rochester RB7041180 Quadrajet Carburetor for a 1971 Dodge 318 V-8 engine comes down to personal preference and priorities. Authenticity seekers and performance enthusiasts may appreciate the classic appeal and power gains offered by this carburetor. However, the higher cost, complexity, and potential for higher emissions might make it a less desirable option for others.
If you are considering investing in the RB7041180 Quadrajet Carburetor, it's essential to research reliable rebuilders and consider the necessary tuning and the ongoing maintenance required for optimal performance. If you're focused primarily on affordability and ease of use, a modern fuel injection system may be a more suitable alternative.
Recommendation:To make an informed decision, take your time to consider your objectives, budget, and expertise level. Weigh the advantages and disadvantages discussed above to ensure this carburetor suits your classic Dodge project preferences. A thorough search for reputable suppliers and rebuilders can help guide you to a high-quality product.
Rebuilt Rochester 2GV 2-barrel carburetor, stamp number 7041180. Please verify part number and pics match your application. See pics for condition. Throttle bores measure 1-7/16 and base mounting bolt pattern to measures 1-7/8 by 3-1/4.
It is dirty and shows some patina from handling sitting on the shelf. Might need a light cleaning/freshen before use.