ROCHESTER 17057290 Carburetor Bay Ci 2-JET

( Brand: Rochester ), ( Manufacturer Part Number: 17057290 ), ( Type: Carburetor ), ( Vintage Part: Yes )

Review ROCHESTER Carburetor Bay City Chevrolet Ci For Parts fits 305 1977

The Rochester 17057290 2-jet carburetor is a classic automotive component designed specifically for use with the 1977 Chevrolet 305 ci engine. This carburetor is a part of Rochester's rich automotive history, as the company has been producing high-quality fuel delivery systems since the 1930s.

The 1977 Chevrolet 305 ci 2-jet carburetor (part number 17057290) features a unique design with two separate fuel jets for each intake port. This configuration allows for improved air-fuel mixture distribution and more efficient combustion, resulting in better engine performance and increased power output.

Each jet is controlled by an individual accelerator pump, which provides additional fuel during heavy throttle applications. This helps ensure a smooth and responsive powerband, making the carburetor an excellent choice for both street and racing applications.

The 17057290 carburetor is also equipped with a vacuum secondary system. This system uses engine vacuum to enrich the fuel mixture during deceleration and idle conditions, ensuring reliable starting and smooth idling. This is especially important for older engines, which can be prone to rich running or stalling during these conditions.

The carburetor is constructed from durable materials, including cast aluminum and brass components, to ensure long-lasting performance. It also features adjustable main jets, primary and secondary needles, and idle mixture screws, allowing for easy fine-tuning to optimize engine performance.

Installation of the Rochester 17057290 2-jet carburetor is relatively straightforward, with clear instructions and mounting hardware included. However, it is recommended that the installation be performed by a qualified mechanic or experienced enthusiast, as working with a carburetor involves handling fuel and working in the engine compartment.

In summary, the Rochester 17057290 2-jet carburetor is a high-performance, durable fuel delivery system designed specifically for the 1977 Chevrolet 305 ci engine. Its unique design, with separate jets for each intake port and a vacuum secondary system, allows for improved engine performance and smooth power delivery. With easy adjustability and durable construction, this carburetor is an excellent choice for both restoration and performance projects.

Buying a Rochester 17057290 2-jet carburetor for a 1977 Chevrolet 305 ci engine comes with its own set of advantages and disadvantages.

1. Improved Performance: The 2-jet carburetor design offers better fuel atomization and air-fuel mixture, leading to improved engine performance and throttle response.

2. Fuel Efficiency: This carburetor is known to provide better fuel efficiency compared to older models.

3. Easy Installation: The Rochester 17057290 2-jet carburetor is relatively easy to install, especially if you are replacing an older carburetor on the same engine.

4. Durability: Rochester carburetors have a reputation for being durable and long-lasting.

1. Cost: This carburetor may be more expensive than some other options on the market.

2. Complexity: Compared to some other types of carburetors, the 2-jet design can be more complex to tune and adjust.

3. Availability of Parts: While Rochester carburetors are generally reliable, parts may be harder to find in some cases.

The Rochester 17057290 2-jet carburetor offers several advantages, including improved performance, fuel efficiency, and durability. However, it also comes with some disadvantages, such as cost, complexity, and potential availability of parts.

If you are looking for improved engine performance and fuel efficiency, and you are comfortable with the potential complexity of tuning and adjusting a 2-jet carburetor, then the Rochester 17057290 2-jet carburetor may be a good choice for you. However, if you are on a tight budget or prefer a simpler carburetor design, you may want to explore other options. Ultimately, the decision should be based on your specific needs, budget, and level of mechanical expertise.

Details:

Butterflies and Linkages move. Rochester 17057290 2-Jet Carburetor Bay City 1977 Chevrolet 305 CI - For Parts. Older carburetor for parts or rebuild. This part comes from my late grandfathers business.

See photos for part and condition. He was a mechanic and rebuild since the late 1930's. It is safe to say that this part has been sitting on a shelf for many years, 20.

part #: 17057290 prices

• $71.99-$182.02

specifications carbcoon:

• for models: 305
• for makes: Chevrolet, Rochester
• for years: 1977
• brand: Rochester
• mpn: 17057290
• type: Carburetor
• vintage part: Yes

offer carbcoon:

• availability: In Stock
• sold: 0
• started: September 11, 2025
• options: Ship-to-home
• best offers: True
• quantity: 1

returns carbcoon:

• policy: No Returns

general carbcoon:

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

shipping carbcoon:

• transit: 4-9 Days
• type: Calculated
• class: Standard
• cost: $19.75
• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground

seller carbcoon:

• rating: 100.0%
• # reviews: 454
• city: North Canton, Ohio

payments carbcoon:

• credit card: Visa
• other
• wallet: Paypal

Rochester 17057290 Is Similar To:

• Chevrolet 7040134 1970s Chevelle 2 Barrel Rochester 350 400 Jet Carburetor (34.2% 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 (52.6% 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 (40.8% 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 (49% 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 (46.3% 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 (48.3% 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 (47.3% 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 (48.4% 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 (62.8% 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 (60% 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 (43.6% similar) It should be gone through and cleaned. Its in good condition Siri on but dirty and dusty...(May 18th, 2024)