fits model: 800, 350. make: Buick, Pontiac, Rochester. year: 1975.

( Brand: Rochester ), ( Manufacturer Part Number: 7045246 ), ( Type: Carburetor )
The Rochester Quadrajet 4-Barrel Carburetor, model number 7045246, is a high-performance, fuel-efficient solution designed specifically for the 1975 Buick Pontiac 350 engine. This carburetor delivers an impressive 800 CFM (cubic feet per minute) airflow, ensuring optimal engine performance under various driving conditions.
The Quadrajet carburetor is characterized by its unique quad-barrel design, which offers superior throttle response, enhanced idle stability, and improved fuel economy compared to traditional single or double-barrel carburetors. Each barrel is equipped with a meticulously calibrated venturi, allowing for precise fuel metering and delivery to the engine.
This Rochester carburetor is meticulously crafted to meet the highest standards of quality and durability. Its robust construction includes a corrosion-resistant porcelain-coated body and heavy-duty cast iron base. The carburetor also features a durable diaphragm-type fuel pump, which ensures consistent fuel delivery and helps maintain a steady idle.
Additionally, the Quadrajet carburetor comes with a convenient power valve system. This feature allows for seamless transition between idle and WOT (wide open throttle) driving, offering a smooth and responsive driving experience. The power valve system also contributes to improved fuel economy by optimizing fuel delivery during cruise conditions.
Under the hood, the Rochester 7045246 Quadrajet carburetor is equipped with essential components such as a chrome-plated float bowl gasket, a new fuel filter, and a rebuilt accelerator pump. These components ensure a proper seal, efficient fuel delivery, and accurate acceleration response.
In conclusion, the Rochester Quadrajet 4-Barrel Carburetor (Rochester 7045246) is the ideal choice for 1975 Buick Pontiac 350 engine owners seeking improved engine performance, enhanced fuel efficiency, and a smoother driving experience. With its robust design, precise fuel metering, and convenient power valve system, this carburetor is sure to deliver outstanding results, making it an essential upgrade for any classic muscle car enthusiast.
Buying a Rochester Quadrajet 4-barrel carburetor, model number 7045246, with a flow rate of 800 CFM for a 1975 Buick or Pontiac 350 engine comes with its own set of advantages and disadvantages. Here's a brief analysis of each:
Advantages:1. Improved Performance: The Quadrajet carburetor offers excellent fuel delivery and air/fuel mixture for better combustion. This results in improved engine performance and increased power output.
2. Smooth Idle: Quadrajet carburetors are known for their smooth idling characteristics. This is due to their design that maintains a consistent fuel/air mixture, even during idle conditions.
3. Fuel Efficiency: The Quadrajet carburetor's efficient fuel delivery system can help improve fuel economy. This is especially beneficial for those who frequently drive long distances or commute regularly.
Disadvantages:1. Complexity: The Quadrajet carburetor is a complex piece of machinery. Installing and tuning it can be a challenge, especially for those without extensive mechanical knowledge.
2. Cost: Quadrajet carburetors are more expensive than their single-barrel counterparts. The cost of purchasing a new one, as well as the potential cost of professional installation and tuning, should be considered.
3. Maintenance: Quadrajet carburetors require regular maintenance to ensure optimal performance. This includes adjusting the idle mixture, synchronizing the secondary throttle plates, and checking the fuel pressure.
Conclusion:The Rochester Quadrajet 4-barrel carburetor, model number 7045246, offers several advantages, including improved performance, smooth idle, and potentially better fuel efficiency. However, it also comes with some disadvantages, such as complexity, cost, and maintenance requirements.
Recommendation:If you're looking to improve the performance of your 1975 Buick or Pontiac 350 engine and are willing to invest the time and money into installation, tuning, and maintenance, then the Quadrajet carburetor may be a worthwhile investment. However, if you're on a tight budget or prefer a simpler, more low-maintenance solution, then it may be worth considering other options. Ultimately, the decision comes down to your specific needs, preferences, and budget.
See pics for condition. Carb core appears to be mostly complete. Rochester Quadrajet 4-barrel carburetor, ID number 7045246. Linkage moves free.
Please verify part number and pics match your application. Core for rebuilding or parts.