ROCHESTER 17058156 Dualjet Carburetor 2-BARREL 260 V-8

( Brand: Rochester ), ( Manufacturer Part Number: 17058156 ), ( Type: Carburetor )

Review ROCHESTER Dualjet 2-barrel Carburetor Oldsmobile Olds 260 V-8 fits 1978–1979

Rochester 17058156 Dual Jet 2-Barrel Carburetor for 1978-1979 Oldsmobile 260 V-8

The Rochester 17058156 Dual Jet 2-Barrel Carburetor is an essential component for the Oldsmobile 260 V-8 engines manufactured between 1978 and 1979. This carburetor boasts an advanced design, featuring two separate barrels for improved fuel efficiency and better engine performance.

The Dual Jet design of this carburetor ensures precise fuel metering, delivering the ideal fuel-air mixture to the engine under various operating conditions. The secondary jet in each barrel kicks in during heavy acceleration, providing an additional fuel supply to maintain optimal engine response.

This Rochester carburetor is known for its durability and reliability. It is constructed with high-quality materials, including cast aluminum, and features corrosion-resistant coatings to withstand the rigors of extended use. Each carburetor comes with a new gasket kit and various hardware components for a hassle-free installation process.

1. Dual Jet design for improved fuel efficiency and engine performance.

2. Two separate barrels for optimal fuel delivery under various operating conditions.

3. Corrosion-resistant construction for extended durability.

4. New gasket kit and various hardware components for easy installation.

5. Suitable for 1978-1979 Oldsmobile 260 V-8 engines.

By choosing the Rochester 17058156 Dual Jet 2-Barrel Carburetor, you can enjoy a more responsive and efficient engine in your Oldsmobile. This carburetor is an excellent investment for classic car enthusiasts seeking to restore their vehicles to their former glory or for daily drivers looking to improve their engine's performance.

Pros and Cons of Buying a Rochester 17058156 Dualjet 2-Barrel Carburetor for a 1978-1979 Oldsmobile 260 V-8

The Rochester 17058156 Dualjet 2-Barrel Carburetor is a popular choice for Oldsmobile 260 V-8 engine owners who are looking to enhance their vehicle's performance or restore its original condition. This carburetor model offers several advantages and disadvantages. In this analysis, we will discuss these pros and cons to help you make an informed decision.

1. Improved Fuel Efficiency: The Rochester Dualjet carburetor utilizes two separate barrels, each feeding a specific bank of cylinders. This design enables a more efficient fuel-air mixture, resulting in better fuel economy compared to a single-barrel carburetor.

2. Smoother Engine Performance: The dual-barrel setup ensures a more consistent fuel-air mixture, leading to a smoother engine operation and a more uniform power delivery throughout the RPM range.

3. Better Idle Stability: The Dualjet carburetor is known for its excellent idle stability, which is crucial for maintaining a consistent engine temperature and reducing emissions.

4. Easy Installation: The Rochester 17058156 carburetor is designed specifically for Oldsmobile 260 V-8 engines, making it a straightforward installation process for most enthusiasts with basic mechanical skills.

1. Higher Cost: Compared to a single-barrel carburetor, the Dualjet 2-Barrel Carburetor typically comes with a higher price tag. This increased cost may be a deterrent for some hobbyists or budget-conscious enthusiasts.

2. Complexity: The dual-barrel setup is more complex than a single-barrel design, which could potentially lead to more maintenance challenges and increased risk of issues.

3. Vacuum Secondary: The Rochester Dualjet carburetor relies on vacuum to activate the secondary circuits. This system can sometimes be less responsive or prone to vacuum leaks, which may require additional attention and troubleshooting.

The Rochester 17058156 Dualjet 2-Barrel Carburetor offers several advantages for Oldsmobile 260 V-8 engine owners, such as improved fuel efficiency, smoother engine performance, and better idle stability. However, it also comes with some disadvantages, including a higher cost, complexity, and potential vacuum-related issues. Ultimately, the decision to purchase this carburetor depends on your priorities, budget, and mechanical skills. If you value performance improvements and are willing to invest in a more complex system, the Dualjet carburetor could be a worthwhile investment. Conversely, if you're working with a tight budget or prefer a simpler setup, a single-barrel carburetor may be a better choice for your Oldsmobile 260 V-8.

Details:

Please verify part number and pics match your application. Core for rebuilding or parts. Rochester Dualjet 2-barrel carburetor, ID number 17058156. Linkage is froze tight from sitting.

Carb core appears to be mostly complete. See pics for condition.

part #: 17058156 prices

• $49.00-$179.00

specifications carbcoon:

• for makes: Oldsmobile, Olds, Rochester
• for years: 1978-1979
• brand: Rochester
• mpn: 17058156
• type: Carburetor

shipping carbcoon:

• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• cost: $0.00
• class: Standard
• transit: 3-7 Days

payments carbcoon:

• other
• wallet: Paypal
• credit card: Diners-club

seller carbcoon:

• rating: 100.0%
• city: Sheboygan Falls, Wisconsin
• # reviews: 32880

returns carbcoon:

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

general carbcoon:

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

offer carbcoon:

• options: Ship-to-home
• best offers: True
• started: January 20, 2026
• sold: 0
• quantity: 1
• availability: In Stock

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