ROCHESTER 17057176 Dualjet Carburetor 2-BARREL 301 V-8

( Brand: Rochester ), ( Manufacturer Part Number: 17057176 ), ( Type: Carb ), ( Oe/oem Part Number: 1978 4.9l )

Review ROCHESTER Rebuilt Dualjet 2-barrel Carburetor Pontiac 301 V-8 fits 1977–1979

The Rochester 17057176 Dualjet 2-barrel carburetor is a classic automotive component designed specifically for Pontiac 1977-1979 301 V-8 engines. This carburetor is a significant improvement over the single-barrel designs of the past, offering enhanced fuel efficiency and improved engine performance.

The Dualjet carburetor features a unique design with two separate barrels, each with its throttle plate and individual float bowls. This setup allows for a more precise fuel-air mixture during various engine loads and RPM ranges. The result is a smoother and more responsive engine, particularly noticeable during acceleration.

The Rochester 17057176 is equipped with a sophisticated vacuum secondary system. This system uses a vacuum-actuated secondary throttle plate, which opens at high RPMs or under heavy load to provide additional fuel for optimal engine performance. The vacuum secondary system helps the engine to maintain optimal power output across a wide range of operating conditions.

The carburetor comes with a multi-port intake manifold, which ensures an even fuel distribution between the two barrels. This design significantly reduces the likelihood of fuel distribution issues, providing consistent engine performance and improved drivability.

The Rochester 17057176 Dualjet 2-barrel carburetor is built with high-quality materials and precision engineering. Its durable construction ensures long-lasting performance, making it an excellent choice for enthusiasts and collectors looking to restore their classic Pontiac 301 V-8 engines.

Maintaining the Dualjet carburetor is relatively straightforward. It comes with easily accessible adjustment screws, allowing users to fine-tune the carburetor's performance according to their specific engine requirements. Additionally, the carburetor's design incorporates a number of features to simplify maintenance, such as a built-in fuel filter and a removable bowl gasket.

In summary, the Rochester 17057176 Dualjet 2-barrel carburetor is an essential upgrade for any Pontiac 1977-1979 301 V-8 engine. Its advanced design offers improved fuel efficiency, increased power output, and smoother engine performance. With its high-quality construction, ease of maintenance, and rich history, this carburetor is a must-have for any serious Pontiac enthusiast.

Pros and Cons of Buying a Rochester 17057176 Dual Jet 2-Barrel Carburetor for a 1977-1979 Pontiac 301 V-8

a) Improved Fuel Economy: The Rochester 17057176 Dual Jet carburetor is known for its efficient fuel consumption. This upgrade can lead to better fuel economy, saving you money in the long run.

b) Smoother Idle and Throttle Response: The dual jet design ensures consistent fuel delivery, which results in a smoother idle and improved throttle response. This can provide a better driving experience and improved engine performance.

c) Easy Installation: The Rochester 17057176 Dual Jet carburetor is designed as a direct replacement for the stock carburetor on 1977-1979 Pontiac 301 V-8 engines. This makes for a relatively simple installation process, which can save you time and money.

d) Enhanced Power: The Rochester 17057176 Dual Jet carburetor can provide a slight increase in power output, resulting in improved overall engine performance.

a) Cost: The Rochester 17057176 Dual Jet carburetor is more expensive than a stock carburetor. This increased cost may be a deterrent for some buyers.

b) Complexity: While the installation process is relatively straightforward, the Rochester 17057176 Dual Jet carburetor is more complex than a stock carburetor. This added complexity may require additional maintenance and tuning to ensure optimal performance.

c) Potential Compatibility Issues: Although the Rochester 17057176 Dual Jet carburetor is a direct replacement for the stock carburetor on a 1977-1979 Pontiac 301 V-8, some compatibility issues may arise. This includes potential issues with existing engine components, such as the intake manifold or exhaust system.

The Rochester 17057176 Dual Jet 2-Barrel Carburetor is an excellent choice for those seeking improved fuel economy, smoother idle and throttle response, enhanced power, and a better driving experience for their 1977-1979 Pontiac 301 V-8. However, the increased cost, complexity, and potential compatibility issues may deter some buyers. Ultimately, the decision to purchase this carburetor depends on your priorities, budget, and willingness to invest time and resources into maintaining and tuning the carburetor for optimal performance.

If you are looking for improved engine performance, fuel economy, and a smoother driving experience for your 1977-1979 Pontiac 301 V-8, the Rochester 17057176 Dual Jet 2-Barrel Carburetor is a worthwhile investment. Ensure you have a clear understanding of the installation process, potential compatibility issues, and ongoing maintenance requirements before making a purchase. Consult with a professional mechanic or carburetor expert if you have any concerns or doubts.

Details:

Please verify part number and pics match your application. It is dirty and shows some patina from handling sitting on the shelf. See pics for condition. Rebuilt Rochester Dualjet 2-barrel carburetor, ID number 17057176.

Might need a light cleaning/freshen before use.

part #: 17057176 prices

• $33.50-$149.99

specifications carbcoon:

• for makes: Pontiac, Rochester
• for years: 1977-1979
• brand: Rochester
• mpn: 17057176
• type: Carb
• oe/oem part number: 1978 4.9l

seller carbcoon:

• rating: 100.0%
• # reviews: 30348
• city: Sheboygan Falls, Wisconsin

shipping carbcoon:

• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• class: Standard
• transit: 4-11 Days
• type: Calculated

offer carbcoon:

• quantity: 1
• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• started: June 14, 2025

payments carbcoon:

• credit card: Mastercard
• wallet: Paypal
• other

returns carbcoon:

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

general carbcoon:

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

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