ROCHESTER 17081508 Gm Quadrajet Carburetor 4-BARREL

( Manufacturer Part Number: 17081508 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Spread Bore ), ( Items Included: Gasket ), ( Features: Quadrajet ), ( Vintage Part: Yes ), ( Performance Part: No )

Review ROCHESTER Gm Quadrajet Carburetor 4-barrel

The Rochester 17081508 GM Quadrajet Carburetor is a 4-barrel fuel delivery system designed for specific applications in General Motors vehicles. This carburetor is part of the Quadrajet series, which is known for its advanced design and ability to provide excellent fuel economy and performance.

The 17081508 model features four 2-gallon-per-minute (GPM) venturi barrels, each with a unique metering circuit to ensure precise fuel delivery to the engine. The Quadrajet design utilizes a throttle body with integrated choke and idle mixture circuits, which simplifies the installation process and improves overall system efficiency.

The carburetor's metering rods are adjustable, allowing fine-tuning of the fuel mixture for optimal engine performance under various operating conditions. The Quadrajet's unique design includes a constant-vacuum secondary circuit, which ensures consistent fuel delivery to the secondary throttle bodies, even under varying engine vacuum conditions.

The Rochester 17081508 GM Quadrajet Carburetor is suitable for use with gasoline fuels and is designed to work with specific GM ignition systems. It comes with a variety of hardware, including mounting brackets, gaskets, and hardware, to make the installation process as straightforward as possible. Additionally, the carburetor is equipped with a float bowl drain plug, which makes it easy to perform routine maintenance tasks.

In summary, the Rochester 17081508 GM Quadrajet Carburetor is a high-performance, 4-barrel fuel delivery system designed for specific applications in General Motors vehicles. Its advanced design features adjustable metering rods, a constant-vacuum secondary circuit, and easy-to-install hardware, making it an excellent choice for those seeking optimal engine performance and fuel economy.

The Rochester Quadrajet carburetor, model 17081508, is a widely used 4-barrel carburetor for applications such as older GM vehicles. Here are some pros and cons that may help in deciding whether to purchase this carburetor:

1. Widely Available: The Quadrajet carburetor is a popular choice for restoring and maintaining older GM vehicles. This means that replacement parts and rebuild kits are readily available, which can make maintenance and repair easier and more cost-effective.

2. Fuel Efficiency: The Quadrajet carburetor is known for its ability to provide good fuel efficiency. It uses a throttle body injector design, which allows for better fuel atomization and more complete combustion.

3. Smooth Idle and Power Delivery: The Quadrajet carburetor is known for its smooth idle and power delivery. This is due to its unique design, which uses a single throttle body with four barrels, allowing for better air/fuel mixture control.

4. Relatively Easy to Rebuild: The Quadrajet carburetor is considered easier to rebuild compared to some other carburetors. This is due to its modular design, which allows for individual barrels and components to be removed and rebuilt separately.

1. Complex Design: The Quadrajet carburetor is a complex piece of machinery, with many individual components that need to work together seamlessly. This can make diagnosis and repair more challenging, especially for those without extensive carburetor knowledge or experience.

2. Potential for Leaks: Due to the number of gaskets and seals in the Quadrajet carburetor, there is a higher potential for leaks compared to some other carburetors. This can lead to fuel loss and decreased performance.

3. Requires Regular Maintenance: The Quadrajet carburetor requires regular maintenance to ensure optimal performance. This includes regular cleaning, adjusting the idle mixture, and checking for leaks.

In conclusion, the Rochester Quadrajet carburetor, model 17081508, offers several benefits such as fuel efficiency, smooth idle and power delivery, and relative ease of rebuild. However, it also comes with some drawbacks such as a complex design, potential for leaks, and the need for regular maintenance.

If you are comfortable with the complexity of the Quadrajet carburetor and are willing to invest the time and resources needed for regular maintenance, then it can be a great choice for restoring or maintaining an older GM vehicle. However, if you are looking for a simpler or more cost-effective option, you may want to consider other carburetor models. Ultimately, the decision to purchase the Quadrajet carburetor depends on your personal preferences, expertise, and the specific requirements of your vehicle.

Details:

This mechanical choke carburetor comes with a gasket included and features four barrels, characteristic of the Quadrajet design. The GM Rochester Quadrajet Carburetor 4-Barrel 17081508 is a vintage part with spread bore mounting flange type, making it suitable for universal fitment.

part #: 17081508 prices

• $50.00-$499.99

specifications carbcoon:

• for makes: Rochester
• mpn: 17081508
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Spread Bore
• items included: Gasket
• features: Quadrajet
• vintage part: Yes
• performance part: No

payments carbcoon:

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

offer carbcoon:

• quantity: 1
• availability: In Stock
• started: April 25, 2026
• sold: 0
• options: Ship-to-home

returns carbcoon:

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

shipping carbcoon:

• cost: $0.00
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• type: Calculated
• transit: 5-11 Days

seller carbcoon:

• # reviews: 4831
• city: Sharpsburg, Georgia
• rating: 99.5%

general carbcoon:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

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