ROCHESTER 17056408 Carburetor 1-5/8 500CFM 2-JET 2-BARREL 2GC V8

( Manufacturer Part Number: 17056408 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Warranty: 1 Month ), ( Material: Alloy ), ( Features: Down Draft ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review ROCHESTER 1-5/8 Inch Bore 500cfm 2-barrel Carburetor 2gc Truck V8 fits C10 350 1976

The Rochester 17056408 1-5/8 500 CFM 2-jet 2-barrel carburetor is a high-performance automotive component designed for use with 1976 Chevrolet C10 trucks equipped with a 350 cubic inch V8 engine. This carburetor is a 2GC model, which is known for its robust design and ability to deliver consistent, reliable fuel delivery to the engine.

The carburetor features a 1-5/8 inch bore size, which allows for a large fuel flow rate of 500 CFM. This large fuel flow rate is achieved through the use of two jet primary circuits and two jet secondary circuits. These jets are meticulously calibrated to ensure optimal fuel-air mixture for the specific engine size and operating conditions.

The Rochester 17056408 carburetor is constructed from high-quality materials, including a cast aluminum body and brass components. The body is designed with a large, easy-to-read fuel level gauge, which provides real-time feedback on the fuel level in the float bowls. The carburetor also includes adjustable idle mixtures, which allow for fine-tuning of the engine's idle speed and quality.

The carburetor's air cleaner element is easily accessible, making it simple to change or clean as needed. The carburetor also includes a vacuum secondary system, which helps to improve engine performance by providing additional fuel during heavy acceleration.

The Rochester 17056408 carburetor is a direct replacement for the original equipment on 1976 Chevrolet C10 trucks with a 350 cubic inch V8 engine. It comes complete with all necessary hardware for installation, including mounting brackets and gaskets. The carburetor also includes a factory-calibrated float bowl gasket, ensuring accurate fuel level and consistent performance.

In summary, the Rochester 17056408 1-5/8 500 CFM 2-jet 2-barrel carburetor is a high-performance automotive component designed specifically for use with 1976 Chevrolet C10 trucks equipped with a 350 cubic inch V8 engine. It features a large 500 CFM fuel flow rate, adjustable idle mixtures, and a vacuum secondary system to help improve engine performance. The carburetor is constructed from high-quality materials and comes complete with all necessary hardware for installation.

Pros and Cons of Buying a Rochester 17056408 1-5/8 500cfm 2-Jet 2-Barrel Carburetor for a 1976 C10 350 V8

The Rochester 17056408 1-5/8 500cfm 2-Jet 2-Barrel Carburetor is a popular choice among classic car enthusiasts looking to upgrade their 1976 C10 350 V8 engines. This carburetor is known for its high airflow rate, which can lead to improved engine performance. In this article, we will discuss the pros and cons of buying this carburetor for your 1976 C10 350 V8.

1. Increased Airflow: With a 500cfm airflow rate, this carburetor is capable of delivering more fuel to the engine, leading to improved performance.

2. Easy Installation: The Rochester 17056408 carburetor is designed to be a direct replacement for the original carburetor on a 1976 C10 350 V8, making installation relatively straightforward.

3. Improved Fuel Efficiency: By delivering the right amount of fuel to the engine, this carburetor can help improve fuel efficiency, leading to cost savings over time.

4. Enhanced Power: The increased airflow and fuel delivery can help enhance the power output of the engine, making your C10 more responsive and faster.

5. Classic Look: This carburetor has a classic look that many classic car enthusiasts appreciate, adding to the overall aesthetic of the vehicle.

1. Cost: The Rochester 17056408 carburetor is more expensive than the original carburetor that came with the 1976 C10 350 V8.

2. Complexity: Compared to a single barrel carburetor, a 2-jet 2-barrel carburetor like the Rochester 17056408 is more complex to tune and maintain.

3. Fuel Consumption: While this carburetor can help improve fuel efficiency in some cases, it can also lead to increased fuel consumption if not properly tuned.

4. Potential for Leaks: With more parts and a more complex design, there is a greater potential for leaks with this carburetor compared to a simpler design.

The Rochester 17056408 1-5/8 500cfm 2-Jet 2-Barrel Carburetor is an excellent choice for those looking to improve the performance of their 1976 C10 350 V8 engine. With its high airflow rate, easy installation, and classic look, this carburetor offers many benefits. However, it also comes with some drawbacks, including a higher cost, complexity, potential for fuel consumption increases, and a greater potential for leaks. Ultimately, whether or not this carburetor is right for you will depend on your specific needs and budget.

If you are looking to significantly improve the performance of your 1976 C10 350 V8 engine and are willing to invest the time and resources into proper tuning and maintenance, the Rochester 17056408 1-5/8 500cfm 2-Jet 2-Barrel Carburetor is an excellent choice. However, if you are on a tight budget or prefer a simpler, more cost-effective solution, you may want to consider a single barrel carburetor instead.

Details:

Rochester Identification You can usually find the carbs casting number and date code on Riverside of carb stamped vertically. Rods whose p/n starts with a 7xyz are for the 70xx carbs, and 17xyz 170xx carbs. Tyranny ID is not cast in stone. This vintage part is made of alloy material and features a down draft design, ideal for performance enthusiasts looking high-quality carburetor with manufacturer warranty 1 month. The carburetor is a genuine Rochester brand with mechanical choke type and universal fitment, making it reliable choice for classic truck restoration projects.

Carbs starting with 170xx are 1976 onwards.An important note: Primary metering rods different lengths for the two units, both available from GM, and new-part numbers correspond carb. The product is a 1-5/8 bore 500 cfm 2-JET Rochester 2-barrel carburetor designed for 1976 C10 Truck with 350 V8 engine.

part #: 17056408 prices

• $45.00-$181.64

specifications carbcoon:

• for models: C10, 350
• for makes: Rochester
• for years: 1976
• mpn: 17056408
• choke type: Mechanical
• type: Carburetor
• manufacturer warranty: 1 Month
• material: Alloy
• features: Down Draft
• vintage part: Yes
• country of origin: United States

shipping carbcoon:

• class: Standard, Expedited
• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 5-12 Days
• cost: $18.30
• type: Calculated

general carbcoon:

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

offer carbcoon:

• started: May 14, 2026
• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• quantity: 1

seller carbcoon:

• rating: 100.0%
• # reviews: 1515
• city: Placerville, California

returns carbcoon:

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

payments carbcoon:

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

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