GENERAL MOTORS ROCHESTER 7042262 Trans Am Quadrajet Quadra Jet Carburetor Carb

( Brand: General Motors Rochester ), ( Manufacturer Part Number: 7042262 ), ( Type: Quadrajet )

Review GENERAL MOTORS ROCHESTER Trans Am Quadrajet Quadra Jet Carburetor Carb fits GTO 455 1972

The General Motors Rochester Quadrajet carburetor, model number 7042262, is a legendary fuel delivery system that graced the high-performance engines of iconic muscle cars like the 1972 Chevrolet Camaro ZL1 and Pontiac Trans Am 455. This specific Quadrajet carburetor was designed to provide optimal fuel delivery for large displacement V8 engines, delivering a balance of power and drivability.

This quad-barrel carburetor features four 2-barrel carburetor bodies, each with its own individual float bowl, to ensure proper fuel distribution to each cylinder bank. The Quadrajet system utilizes a unique venturi design, which includes an internal throttle plate and a secondary metering jet. This design allows for a smoother fuel flow during cruising conditions, while providing a generous power boost during wide-open throttle situations.

The Quadrajet's design includes a pressure-sensitive accelerator pump, which ensures a quick response during hard acceleration. This pump is fed from the main fuel pump, which delivers fuel at a consistent rate to the carburetor. The Quadrajet also includes an electric choke, which provides a reliable and efficient method for quickly enriching the fuel mixture during cold starts.

The Quadrajet's design also includes various mechanisms to ensure proper fuel mixture adjustments, such as the primary and secondary metering rods, idle mixture screws, and the air bleed screws. These adjustments allow the carburetor to be fine-tuned for various engine and driving conditions, ensuring optimal performance and drivability.

The Quadrajet carburetor is a true piece of automotive history, and its installation in a 1972 Chevrolet Trans Am 455 or other compatible muscle cars can provide a thrilling driving experience. This carburetor's legendary status is a testament to its ability to deliver power and performance, while also providing the drivability and reliability needed for everyday use.

In summary, the General Motors Rochester Quadrajet carburetor, model number 7042262, is a high-performance fuel delivery system designed for large displacement V8 engines. Its unique quad-barrel design, pressure-sensitive accelerator pump, and various adjustment mechanisms make it a favorite among muscle car enthusiasts. Installing this carburetor in a 1972 Chevrolet Trans Am 455 or other compatible muscle cars can provide a truly exhilarating driving experience.

Pros and Cons of Buying a General Rochester 7042262 Quadrajet Carburetor for a 1972 455 Trans Am GTO

The General Rochester 7042262 Quadrajet Carburetor is a popular choice among classic car enthusiasts for their muscle cars, including the 1972 455 Trans Am GTO. This article will discuss the advantages and disadvantages of purchasing this carburetor model.

1. Improved Performance: Quadrajet carburetors are known for their smooth and powerful fuel delivery, which can lead to improved engine performance. The 7042262 model is no exception, as it offers excellent throttle response and fuel economy.

2. Fuel Efficiency: Compared to other carburetors, the Quadrajet design offers improved fuel efficiency. This is due to its ability to deliver the correct fuel-air mixture at various engine loads, which can lead to better fuel economy and reduced fuel costs.

3. Easy Installation: The Quadrajet carburetor is relatively easy to install, and many enthusiasts report that the process can be completed in a weekend. The design is straightforward, and the necessary parts are readily available.

4. Durability: The Quadrajet carburetor is known for its durability. The design is robust, and the components are made from high-quality materials. This makes it an ideal choice for classic car enthusiasts who want a reliable carburetor that can handle the demands of their muscle car.

5. Availability: The General Rochester 7042262 Quadrajet Carburetor is widely available from various retailers and online marketplaces. This makes it easy for enthusiasts to find and purchase the carburetor, ensuring that they can keep their classic cars on the road.

1. Complexity: Compared to some other carburetors, the Quadrajet design is more complex. This can make it more difficult to tune and maintain. However, the rewards of improved performance and fuel efficiency make the effort worth it for many enthusiasts.

2. Cost: The Quadrajet carburetor can be more expensive than some other options. However, many enthusiasts argue that the improved performance and fuel efficiency make it a worthwhile investment.

3. Tuning: The Quadrajet carburetor requires careful tuning to achieve optimal performance. This can be a challenging process, and it may require the assistance of a professional tuner or extensive research and experimentation.

4. Maintenance: The Quadrajet carburetor requires regular maintenance to ensure that it continues to perform at its best. This includes regular cleaning and adjustments to the float levels and jet sizes.

The General Rochester 7042262 Quadrajet Carburetor is a popular choice among classic car enthusiasts for their muscle cars due to its smooth and powerful fuel delivery, improved fuel efficiency, and durability. While it may be more complex and expensive than some other options, the rewards of improved performance and fuel economy make it a worthwhile investment for those who are dedicated to maintaining their classic cars.

If you are in the market for a carburetor for your 1972 455 Trans Am GTO, the General Rochester 7042262 Quadrajet Carburetor is an excellent choice. While it may require some effort to tune and maintain, the rewards of improved performance and fuel efficiency make it a worthwhile investment for serious classic car enthusiasts. However, be prepared for the additional cost and complexity compared to other options.

Details:

Used quadrajet off a 72 455 Pontiac motor.

part #: 7042262 prices

• $599.95-$650.00

specifications carbcoon:

• for models: Gto, 455
• for makes: Rochester
• for years: 1972
• brand: General Motors Rochester
• mpn: 7042262
• type: Quadrajet

seller carbcoon:

• city: Concord, California
• # reviews: 1761
• rating: 100.0%

general carbcoon:

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

payments carbcoon:

• other
• credit card: Visa
• wallet: Paypal

shipping carbcoon:

• type: Fixed
• carrier: FedEx
• service: FedEx Ground Economy
• transit: 5-9 Days
• cost: $24.99
• class: Economy

offer carbcoon:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: March 13, 2025

returns carbcoon:

• policy: No Returns

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