ROCHESTER 17055040 Quadrajet Carburetor Cfm 350-400

( Brand: Rochester ), ( Manufacturer Part Number: 17055040 ), ( Choke Type: Electric ), ( Type: Carburetor ), ( Mounting Flange Type: Spread Bore ), ( Features: Quadrajet ), ( Vintage Part: Yes ), ( Performance Part: No )

Review ROCHESTER Chevy Gmc Trucks 350-400 Quadrajet Carburetor Cfm fits 800 1975-77

The Rochester 17055040 Quadrajet carburetor is a high-performance carburetor specifically designed for 1975-77 Chevy and GMC vehicles with engines sized between 350 and 400 cubic inches, producing up to 800 CFM (cubic feet per minute) of airflow. This carburetor is an excellent upgrade for those seeking improved engine performance and throttle response.

This quad-barrel carburetor features four 2-barrel bodies, each with its own individual metering rods and jets, allowing precise fuel metering for each cylinder bank. It is equipped with a mechanical secondary system, which provides an enrichening fuel mixture during full throttle conditions, ensuring optimal engine performance under various driving situations.

The Rochester 17055040 Quadrajet carburetor comes with a fine-mesh air cleaner element and a primary venturi with an idle mixture circuit, which can be adjusted for smooth idle and proper cold start characteristics. The secondary venturi has adjustable secondary needle and jet, enabling fine-tuning of the fuel mixture for optimal power and performance.

The carburetor body is made of durable cast aluminum, providing excellent heat dissipation and resistance to corrosion. The fuel bowls have a generous capacity, allowing for efficient fuel delivery and maintaining a consistent fuel level during operation. The Quadrajet also features a built-in fuel pressure regulator, eliminating the need for an external regulator.

The Rochester 17055040 Quadrajet carburetor comes with mounting hardware, gaskets, and necessary installation instructions for a hassle-free installation process. This high-performance carburetor is an excellent choice for enthusiasts looking to enhance their 1975-77 Chevy or GMC 350-400 engine's power, torque, and overall driving experience.

Pros and Cons of Buying a Rochester 17055040 Quadrajet Carburetor for 1975-77 Chevy GMC 350-400 Engines

The Rochester 17055040 Quadrajet carburetor is a popular choice among classic car enthusiasts and hot rod builders due to its high CFM rating and ability to deliver excellent fuel efficiency and power. This article will discuss the advantages and disadvantages of investing in this carburetor for your 1975-77 Chevy GMC 350-400 engine.

1. High Air Flow: The 17055040 Quadrajet carburetor offers a substantial air flow rate of 800 CFM, making it an excellent choice for high-performance applications.

2. Fuel Efficiency: Quadrajet carburetors are known for their good fuel economy, which can help reduce your fuel costs and minimize your carbon footprint.

3. Easy Tuning: These carburetors are relatively easy to tune, providing a smooth idle and consistent power delivery throughout the RPM range.

4. Durability: The Quadrajet design is robust and can handle the demands of high-performance applications, making it a popular choice for hot rods and restorations.

5. Wide Availability: The Rochester 17055040 Quadrajet carburetor is widely available from both new and used markets, ensuring that it is an accessible option for many enthusiasts.

1. Complexity: Quadrajet carburetors have a more complex design than some other carburetors, which can make maintenance and troubleshooting more challenging for some users.

2. Cost: The 17055040 Quadrajet carburetor can be more expensive than some other options, which might be a deterrent for those on a tight budget.

3. Fuel Mileage: While the Quadrajet offers good fuel efficiency, it may not be as fuel-efficient as some modern fuel injection systems.

4. Cold Starting: Some users report difficulty in cold starting their engines with a Quadrajet carburetor, which can be a concern for those living in colder climates.

The Rochester 17055040 Quadrajet carburetor is a high-performance carburetor with a proven track record in the classic car and hot rod communities. Its advantages include excellent air flow, fuel efficiency, ease of tuning, durability, and wide availability. However, it also comes with some disadvantages, such as complexity, cost, and cold starting issues. Ultimately, the decision to invest in a Quadrajet carburetor depends on your specific needs, budget, and expertise. If you value high performance, ease of tuning, and durability, this carburetor may be an excellent choice for your 1975-77 Chevy GMC 350-400 engine. However, if you're on a tight budget or prefer a simpler carburetor design, you may want to consider alternative options.

If you're looking for a high-performance carburetor for your 1975-77 Chevy GMC 350-400 engine and are willing to invest in a more complex and expensive option, the Rochester 17055040 Quadrajet carburetor is a solid choice. However, if you're on a budget or prefer a simpler carburetor design, you may want to consider alternatives such as the Holley 4150 series or the Edelbrock Performer series. Ultimately, it's essential to weigh the pros and cons carefully and choose the carburetor that best fits your specific needs and budget.

Details:

A if you follow the golden rule, and treat me as would like to be treated, I will do my best make it right by. I sometimes make mistakes, but i'm not out to cheat anyone, or sell you something you're 100% happy with. 1975-77 CHEVY GMC TRUCKS 350-400 ROCHESTER QUADRAJET 17055040 CARBURETOR 800 cfm . Comes as pics.

The carb moves freely but has been sitting for years and will need to be rebuilt. Let me know if there is an issue.

part #: 17055040 prices

• $31.95-$48.00

specifications carbcoon:

• for models: 800
• for makes: Chevy, Gmc, Rochester
• for years: 1975-77
• brand: Rochester
• mpn: 17055040
• choke type: Electric
• type: Carburetor
• mounting flange type: Spread Bore
• features: Quadrajet
• vintage part: Yes
• performance part: No

seller carbcoon:

• city: Fair Oaks, California
• rating: 100.0%
• # reviews: 3738

general carbcoon:

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

offer carbcoon:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• best offers: True
• started: March 9, 2025

shipping carbcoon:

• carrier: FedEx
• transit: 3-6 Days
• type: Fixed
• cost: $29.00
• class: Standard
• service: FedEx Ground or FedEx Home Delivery

payments carbcoon:

• wallet: Paypal
• other
• money order
• credit card: Visa

returns carbcoon:

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

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