fits model: Gs, 455. make: Buick, Rochester. year: 1970.

( Brand: Rochester ), ( Manufacturer Part Number: 7040246 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Spread Bore )
Introducing the Rochester 7040246 Quadrajet Carburetor, specifically designed for the 1970 Buick GS 455. This is a high-performance carburetor that delivers excellent fuel efficiency and powerful engine response.
The Quadrajet Carburetor is a four-barrel carburetor, meaning it has four separate barrels that feed fuel into the engine's intake manifold. Each barrel is equipped with its own throttle valve, allowing for precise fuel metering and air-fuel mixture control for each cylinder.
The carburetor features a Quadrajet design, which utilizes a high-velocity fuel delivery system. This system ensures that fuel is delivered quickly and evenly to the engine, resulting in smooth and consistent power delivery. The Quadrajet design also includes a built-in choke system, making it easy to start the engine in cold weather conditions.
The Rochester 7040246 Quadrajet Carburetor is also equipped with a vacuum secondary system. This system uses engine vacuum to enrich the fuel-air mixture during heavy acceleration, providing additional power when you need it most. The vacuum secondary system is adjustable, allowing you to fine-tune the carburetor for optimal performance.
The carburetor housing is made of durable cast aluminum, ensuring long-lasting performance and resistance to corrosion. The Quadrajet Carburetor also includes a new gasket material that provides a better seal and improves carburetor performance.
The Rochester 7040246 Quadrajet Carburetor is easy to install, with all necessary hardware included in the package. It is also compatible with most aftermarket intake manifolds and air cleaners, making it a versatile choice for customizing your 1970 Buick GS 455.
In summary, the Rochester 7040246 Quadrajet Carburetor is a high-performance, durable, and easy-to-install carburetor that delivers powerful engine response and excellent fuel efficiency for your 1970 Buick GS 455. Its Quadrajet design ensures smooth and consistent power delivery, while its vacuum secondary system provides additional power during heavy acceleration. With its cast aluminum housing and adjustable features, this carburetor is a great choice for any enthusiast looking to enhance the performance of their classic Buick.
Buying the Rochester 7040246 1970 Buick GS 455 Quadrajet Carburetor 0900 can have several pros and cons for car enthusiasts looking to restore or maintain their classic Buick muscle car.
Pros:1. Authenticity: This carburetor is an original part from General Motors, ensuring a good fit and proper function for your 1970 Buick GS 455.
2. Performance: The Quadrajet carburetor is known for its ability to provide smooth throttle response and efficient fuel delivery, enhancing the driving experience.
3. Availability: Replacing a worn-out or faulty original carburetor with a new one can save time and effort compared to rebuilding an old one or searching for alternative aftermarket options.
Cons:1. Cost: The Rochester 7040246 Quadrajet carburetor can be pricier than some aftermarket alternatives, which might deter some buyers.
2. Complexity: Quadrajet carburetors have multiple components and require precise tuning, which can be challenging for inexperienced DIYers or hobbyists.
3. Limited Customization: Since it's an original part, there might be fewer opportunities for customization or performance enhancements compared to aftermarket alternatives.
In conclusion, buying the Rochester 7040246 1970 Buick GS 455 Quadrajet Carburetor 0900 can be a worthwhile investment for those who prioritize authenticity, performance, and the peace of mind that comes with using an original GM part. For those looking for more cost-effective or customizable options, aftermarket alternatives may be a better choice.
Recommendation: If you value the originality and performance of your 1970 Buick GS 455 and have the necessary skills and resources for proper tuning and maintenance, the Rochester 7040246 Quadrajet carburetor is a solid choice. However, if you're on a budget or seeking more customization options, consider exploring aftermarket alternatives.
1099 USED 1970 Buick Skylark GS 455 Stage 1 Quadrajet Carburetor, 7040246, Date Code 0900. Please examine the photos carefully and contact me with any questions. It has not been tested, and at a minimum will likely need basic cleaning fresh gaskets.