ROCHESTER 17057512 Quadrajet Carburetor

( Brand: Rochester ), ( Manufacturer Part Number: 17057512 ), ( Type: Quadrajet M4mc ), ( Manufacturer Warranty: Yes ), ( Features: Quadrajet ), ( Country/region Of Manufacture: United States )

Review ROCHESTER Quadrajet Carburetor Chevy Gmc Truck Mt fits 454 1975-77

The Rochester Quadrajet carburetor, model number 17057512, is a legendary fuel delivery system that was widely used in various applications during the 1970s, including the 1975-1977 Chevrolet and GMC trucks equipped with the powerful 454 cubic inch (7.4 L) V8 engine. This specific Quadrajet carburetor is a high-performance, four-barrel carburetor, designed to provide optimal fuel mixture for large displacement engines under various driving conditions.

The Quadrajet carburetor features a unique design with a single barrel for each cylinder group, which is fed by a central fuel pump. Each barrel is equipped with a metering rod and jet assembly, allowing for precise fuel metering and efficient combustion. The carburetor also includes an automatic choke system, which ensures easy starting in cold weather conditions.

One of the most notable features of the Rochester Quadrajet carburetor is its ability to adapt to changing engine conditions. It utilizes a vacuum secondary system, which enriches the fuel mixture under vacuum conditions, such as during deceleration or idling. This helps to maintain proper engine performance and ensures smooth acceleration.

The Quadrajet carburetor housing is made from robust cast aluminum material, which provides excellent heat dissipation and durability. It also includes an adjustable idle mixture control, which allows fine-tuning of the carburetor for various engine configurations and driving conditions.

Installing the Rochester Quadrajet carburetor on your 1975-1977 Chevrolet or GMC 454 engine involves removing the factory carburetor and replacing it with the Quadrajet. This process may require some fabrication work, such as modifying the intake manifold and fuel lines to fit the Quadrajet's unique design. Proper installation also involves setting the base and idle mixture, as well as adjusting the vacuum secondary system for optimal performance.

In summary, the Rochester Quadrajet carburetor, model number 17057512, is a high-performance, four-barrel carburetor designed for the 1975-1977 Chevrolet and GMC 454 trucks. It features a unique vacuum secondary system, adjustable idle mixture control, and robust cast aluminum housing. Installing the Quadrajet requires some fabrication work and fine-tuning, but it offers improved performance, smooth idling, and efficient fuel delivery for your large displacement V8 engine.

The Rochester Quadjet carburetor, specifically model 17057512, was used in various 1975-77 Chevy and GMC vehicles with the 454 cubic inch engine. Here are some pros and cons that might help you make an informed decision about purchasing this carburetor for your classic vehicle.

1. Authenticity: This carburetor is an original equipement (OE) replacement part, ensuring a perfect fit and function for your 1975-77 Chevy or GMC 454 engine vehicle.

2. Improved Performance: The Quadjet design offers improved fuel atomization, which results in better combustion and potentially increased horsepower and torque.

3. Smooth Idle: The Quadjet carburetor is known for its smooth idle and consistent performance, which is particularly valuable for classic vehicles that are often driven for show or occasional pleasure.

4. Reliability: The Rochester Quadjet carburetor has a reputation for durability and reliability, making it a popular choice among classic car enthusiasts.

5. Availability: The 17057512 model is widely available from various automotive parts suppliers, ensuring easy access and convenience for customers.

1. Complexity: The Quadjet carburetor is more complex than some other types, meaning it might require more maintenance and fine-tuning to get it running optimally.

2. Cost: Original Quadjet carburetors can be more expensive than other aftermarket options, which may be a concern for some buyers.

3. Potential for Leaks: As with any carburetor, there is a risk of leaks. The Quadjet design, with its multiple jets, might be prone to more leaks than some simpler designs.

4. Hard-to-Find Parts: In case of any issues or wear, finding replacement parts for the Quadjet carburetor might be more challenging and costly than for more common carburetor designs.

The Rochester Quadjet carburetor, model 17057512, offers several advantages for classic 1975-77 Chevy and GMC 454 engine vehicles. Its improved performance, smooth idle, and reliability make it an attractive option for those seeking authenticity and consistently good driving experience. However, its complexity, cost, and potential for leaks are important considerations. Ultimately, the decision to purchase this carburetor depends on your specific needs, priorities, and budget. If you value authenticity, performance, and a smooth driving experience, the Quadjet carburetor could be a worthwhile investment. If you're looking for a simpler, more cost-effective option, you might want to explore other aftermarket carburetors.

Details:

It is not froze and looks to be complete. Buyer to pay $17.00 shipping.

part #: 17057512 prices

• $51.00-$160.00

specifications carbcoon:

• for models: 454
• for makes: Chevy, Gmc, Rochester
• for years: 1975-77
• brand: Rochester
• mpn: 17057512
• type: Quadrajet M4mc
• manufacturer warranty: Yes
• features: Quadrajet
• country/region of manufacture: United States

offer carbcoon:

• quantity: 1
• availability: In Stock
• started: February 12, 2025
• sold: 0
• options: Ship-to-home

seller carbcoon:

• city: Billings, Montana
• rating: 99.7%
• # reviews: 16731

shipping carbcoon:

• service: Economy
• type: Fixed
• transit: 2-7 Days
• class: Economy
• cost: $17.00

returns carbcoon:

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

general carbcoon:

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

payments carbcoon:

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

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