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  3. ROCHESTER 17056274

ROCHESTER 17056274 Quadrajet Trans Am

fits model: 400, Firebird. make: Pontiac, Rochester. year: 1976.

17056274 Rochester 1976 Pontiac 400 Quadrajet #17056274 - Firebird Trans Am

( Brand: Rochester ), ( Manufacturer Part Number: 17056274 ), ( Non-domestic Product: No ), ( Type: Carburetor ), ( Manufacturer Warranty: 21 Day Limited ), ( Features: Quadrajet ), ( Surface Finish: Chromate )

Review ROCHESTER Pontiac Quadrajet #17056274 Trans Am fits FIREBIRD 400 1976

Product Description:

The Rochester 17056274 Quadrajet Carburetor is a striking addition for any 1976 Pontiac Firebird Trans Am engine equipped with a 400 cubic inch V8 engine. This carburetor, manufactured by Rochester, is a classic component in the muscle car's legacy and adds authenticity to any restoration or custom build.

The Quadrajet carburetor boasts a mechanical secondary design, which incorporates four individual barrels, each equipped with its own accelerator pump. These barrels are designed to provide an efficient fuel-air mixture for seamless idle and quick throttle response. Each barrel has an individual float bowl, which is vented to prevent vapor lock, allowing the engine to remain cool under pressure.

The primary jets are meticulously calibrated to meet the specific air-fuel requirements of the 400 cubic inch engine. The secondary jets are designed to open progressively as the accelerator is pressed, allowing for increased fuel delivery and optimizing torque and horsepower. The unique Quadrajet design ensures smooth power delivery across the entire RPM range.

The Quadrajet carburetor is not just about power; it also showcases stunning aesthetics. Its chrome plated body and vented cover add a touch of elegance and refinement to your engine bay, while the red gasket and black bowls add a nice contrast that complements various engine colors. Additionally, the Quadrajet logo embossed on the cover adds an extra layer of authenticity.

Maintaining the Quadrajet carburetor is relatively easy, as it includes provisions for the easy adjustment of idle mixture, base idle, and carb sync. The introduction of a calibrated air bleed screw facilitates a quick start after rebuilding or re-carburing, making it a favorite among hobbyists and professional mechanics.

By installing the Rochester 17056274 Quadrajet Carburetor, you're not only enhancing the performance and aesthetics of your 1976 Pontiac Firebird Trans Am, but also embracing the rich history of American muscle cars. The Quadrajet carburetor was a pivotal component in many historic muscle cars, including the 1970 Pontiac GTO and the 1971 Chevrolet Corvette, making it a must-have for purists and enthusiasts.

In conclusion, the Rochester 17056274 Quadrajet Carburetor offers quality performance, iconic design, and the satisfaction of connecting with the muscle car era. It's an essential upgrade for any 1976 Pontiac Firebird Trans Am engine and an investment in the ongoing legacy of American muscle cars.

Pros and Cons of Buying a 1976 Pontiac Firebird Trans Am with the Rochester 17056274 Quadrajet Carburetor

Introduction:

The 1976 Pontiac Firebird Trans Am is a classic muscle car that is known for its powerful engine and distinctive design. One of its notable features is the Rochester 17056274 Quadrajet carburetor, which was a popular choice for these vehicles during the 1970s. In this analysis, we will outline the main advantages and disadvantages of purchasing a 1976 Pontiac Firebird Trans Am with this specific carburetor.

Pros:

1. Powerful Performance: The Rochester 17056274 Quadrajet carburetor is known for its ability to deliver excellent power and torque for the 400 cubic inch (6.6 liter) V8 engine. It allows for a more responsive throttle and improved acceleration, making the Firebird Trans Am a true muscle car.

2. Fuel Efficiency: Compared to other traditional carburetors, the Quadrajet offers better fuel efficiency. It utilizes a fuel pressure regulator and four individual barrels to ensure proper fuel mixture, which can help enhance the engine's fuel economy.

3. Easy Installation: The Rochester 17056274 Quadrajet carburetor is fairly simple to install because it is a direct replacement for the stock carburetor on most 1976 Pontiac Firebird Trans Ams. This means that owners can enjoy the performance benefits without extensively modifying their engines or spending a fortune on custom parts.

4. Classic Appeal: For collectors and enthusiasts, the 1976 Pontiac Firebird Trans Am with a Rochester Quadrajet carburetor holds significant historical value. These cars are highly sought after and can potentially increase in value over time, making them a wise investment for those interested in collecting classic American muscle cars.

Cons:

1. Maintenance: Carburetors in general require more frequent maintenance compared to fuel injection systems, and the Rochester Quadrajet is no exception. Regular checks of the idle mixture, base circle size, and vacuum secondary are crucial to prevent drivability issues and poor fuel economy.

2. Fuel Economy: Although the Quadrajet offers some fuel economy benefits compared to traditional carburetors, it will not approach the levels achieved by modern fuel injection systems. This can translate to higher fuel costs over the vehicle's lifetime.

3. Cold Starting Issues: At times, the Rochester 17056274 Quadrajet can experience difficulties when cold starting, making it necessary to use a choke or other starting aids. This can be inconvenient, especially during colder months when temperatures drop significantly.

4. Complex Carburetion: The Quadrajet carburetor is known for its complex design, which features vacuum secondary systems and fuel pressure regulators. This complexity can make diagnosing and repairing issues more challenging compared to simpler carburetors or modern fuel injection systems.

Conclusion:

The 1976 Pontiac Firebird Trans Am with the Rochester 17056274 Quadrajet carburetor presents a unique blend of powerful performance, fuel efficiency, and historical significance. While its advantages make it an attractive choice for classic muscle car enthusiasts, potential buyers should consider the carburetor's maintenance requirements, cold starting difficulties, and complex design before making a purchase.

Recommendation:

For those who are passionate about classic muscle cars and are willing to invest in the required maintenance, a 1976 Pontiac Firebird Trans Am with the Rochester 17056274 Quadrajet carburetor is a compelling choice. The vehicle offers a powerful driving experience with excellent collector value, making it worth considering for anyone who wants to own a true American muscle car from the 1970s. However, those who prioritize maintenance simplicity and minimal fuel expenses should explore modern vehicles with fuel injection systems or alternative classic muscle cars that offer more favorable emissions regulations and lower maintenance costs.

Details:

Refinished in Zinc Chromate for great looks and corrosion resistance. Rebuilt/restored Quadrajet #17056274 for Pontiac 400cid 1976 Rebuilt with throttle shaft bushings, new float, secondary cam, fuel filter, blue ethanol resistant accelerator pump cup.

part #: 17056274 prices

  • $38.57-$202.50

specifications carbcoon:

  • for models: 400, Firebird
  • for makes: Pontiac, Rochester
  • for years: 1976
  • brand: Rochester
  • mpn: 17056274
  • non-domestic product: No
  • type: Carburetor
  • manufacturer warranty: 21 Day Limited
  • features: Quadrajet
  • surface finish: Chromate

shipping carbcoon:

  • service: USPS Priority Mail
  • class: Expedited
  • carrier: USPS
  • transit: 6-10 Days
  • cost: $37.00
  • type: Fixed

general carbcoon:

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

returns carbcoon:

  • time: 14 Days
  • policy: Returns Accepted
  • paid by: Buyer

payments carbcoon:

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

seller carbcoon:

  • rating: 100.0%
  • # reviews: 609
  • city: Granby, Connecticut

offer carbcoon:

  • quantity: 1
  • options: Ship-to-home
  • started: October 30, 2024
  • availability: In Stock
  • sold: 0
for models: 400, firebird, for makes: pontiac, rochester, for years: 1976, non-domestic product: no, type: carburetor, manufacturer warranty: 21 day limited, features: quadrajet, surface finish: chromate,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 2786118872557681,

Rochester 17056274 Is Similar To:

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5 offers $38.57–$202.50 USD
  • Offer #1: $202.50 price + $0.00 shipping estimate = $202.50* total. See pics for condition. Rochester Quadrajet 4-barrel carburetor, ID number AFO with date code (3085).FREE SHIPPING
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  • Offer #3: $38.57 price + $0.00 shipping estimate = $38.57* total. Carburetor To Air Cleaner Gasket I: Yes. Notes: Carburetor Repair Kit -- With Rochester Carb.FREE SHIPPING
  • Offer #4: $37.85 price + $0.00 shipping estimate = $37.85* total. Carburetor Type: M4MC, CA, E.FREE SHIPPING
  • Offer #5: $45.95 price + $7.37 shipping estimate = $53.32* total. Their carburetor is actually a 1981 not a 1982.+$7.37 shipping

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