ROCHESTER GM 17055034 Quadrajet Carburetor Poss Engines Poss. 425-500

( Brand: Rochester Gm ), ( Manufacturer Part Number: 17055034 ), ( Features: Quadrajet ), ( Type: Carburetor ), ( Oe/oem Part Number: Chevy Gm, Possibly Fits 1976-77 Cadillac, 500 Engines ), ( Manufacturer Warranty: No ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review ROCHESTER GM Quadrajet Carburetor Poss. Cadillac Engines fits 1976-77

Rochester Quadrajet Carburetor (GM 17055034) for 1976-77 Cadillac Engines (425-500 hp)

The Rochester Quadrajet Carburetor GM 17055034 is a legendary fuel delivery system designed specifically for the high-performance 425-500 horsepower engines used in select Cadillac models during the late 1970s. This carburetor is an essential component for enthusiasts and collectors looking to restore or upgrade their classic Cadillac vehicles.

The Quadrajet carburetor is renowned for its exceptional air-fuel mixture delivery, which results in improved engine performance, increased power, and enhanced driving dynamics. Utilizing four barrels instead of the standard two, this carburetor significantly broadens the engine's power band and ensures optimal fuel economy.

1. Four-barrel design: The quadruple venturi design offers improved fuel atomization and airflow for excellent combustion efficiency.

2. Accelerator pump: A large, high-capacity accelerator pump ensures smooth transition from idle to wide-open throttle.

3. Emulsion tubes: The carburetor's emulsion tubes provide precise fuel metering and accurate mixture delivery.

4. Idle mixture adjustment: The primary and secondary idle mixture adjustments allow for fine-tuning of the engine's idle speed and quality.

5. Power valve: The power valve optimizes fuel delivery during full throttle conditions, improving engine performance and power.

6. Throttle valve: The throttle valve provides precise control over engine RPMs for smooth acceleration and responsive handling.

This Rochester Quadrajet carburetor is meticulously engineered and manufactured to meet the exacting specifications of Cadillac engines from the late 1970s. Its durable construction ensures long-lasting performance, making it an excellent choice for enthusiasts seeking to restore their classic Cadillac to its former glory or for those looking to upgrade their vehicle's engine for increased power and improved driving dynamics.

Please note that installing this carburetor may require additional components, such as intake manifolds, fuel lines, and engine modifications, depending on the specific Cadillac model and year. Always consult the relevant service manuals and seek professional assistance as needed to ensure a successful installation.

The Rochester Quadrajet carburetor, specifically model number 17055034, was commonly used on Cadillac engines from 1976 to 1977 with displacements of 425-500 cubic inches. Here are some pros and cons of buying this carburetor for your Cadillac:

1. Fuel Efficiency: Quadrajets are known for their good fuel efficiency. They employ a vacuum secondary system that provides excellent idle quality and smooth power delivery across the RPM range.

2. Smooth Power Delivery: The Quadjet's design provides a smooth power band and excellent throttle response. This can lead to a more enjoyable driving experience.

3. Wide Availability: These carburetors are relatively common and widely available in the aftermarket, making it easier to find replacement parts if needed.

4. Classic Appeal: For those who value the classic look, the Quadjet's design and appearance can be an attractive addition to a Cadillac engine.

1. Complexity: Quadrajets are more complex compared to single-barrel carburetors. Their vacuum secondary system and multiple components can make troubleshooting and maintenance more challenging.

2. Cost: Due to their complexity and popularity among collectors, Quadrajets can be more expensive to purchase than simpler carburetors.

3. Potential Issues: Like any mechanical component, Quadrajets can develop issues over time, such as leaks, vacuum issues, or poor fuel mileage. These issues can lead to additional costs for repair or replacement.

4. Calibration: To achieve optimal performance, a Quadjet may require calibration, which can be a time-consuming and potentially costly process.

In conclusion, the decision to buy a Rochester Quadrajet carburetor for a 1976-77 Cadillac engine depends on various factors, including personal preferences, budget, and the intended use of the vehicle. If you prioritize fuel efficiency, smooth power delivery, and the classic appearance, a Quadjet could be an excellent choice. However, if you're concerned about complexity, cost, potential issues, or maintenance requirements, you may want to consider other options. Ultimately, it's essential to weigh the pros and cons carefully before making a decision.

As a recommendation, I would suggest thoroughly researching the market and considering both the Quadrajet and alternative carburetors. Factors such as availability, cost, and compatibility should be taken into account. Additionally, consulting with a knowledgeable mechanic or Cadillac enthusiast could provide valuable insights and help make an informed decision.

Details:

Note: The Rochester Q-Jet carburetor 17055034 is a 4-barrel carburetor, often identified as an M4ME model. ROCHESTER QUADRAJET CARBURETOR 17055034. Fits 1975-1977 GM Quadrajet often for Chevy/GMC 350-454 engines. 1976-77 CADILLAC 425-500 ENGINES.

Carburetor was in working condition when taken off running vehicle, but may still need rebuild.

part #: 17055034 prices

• $99.95-$540.46

specifications carbcoon:

• for makes: Cadillac, Rochester
• for years: 1976-77
• brand: Rochester Gm
• mpn: 17055034
• features: Quadrajet
• type: Carburetor
• oe/oem part number: Chevy Gm, Possibly Fits 1976-77 Cadillac, 500 Engines
• manufacturer warranty: No
• vintage part: Yes
• country of origin: United States

returns carbcoon:

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

payments carbcoon:

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

seller carbcoon:

• rating: 100.0%
• city: Andreas, Pennsylvania
• # reviews: 410

general carbcoon:

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

offer carbcoon:

• sold: 0
• availability: In Stock
• best offers: True
• quantity: 1
• options: Ship-to-home
• started: March 7, 2026

shipping carbcoon:

• service: USPS Ground Advantage
• carrier: USPS
• type: Calculated
• class: Standard
• transit: 4-9 Days
• cost: $15.41

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