ROCHESTER 3-3672 Carburetor M4MC 4BBL Carburetor.

( Manufacturer Part Number: 3-3672 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Warranty: 1 Year ), ( Features: Quadrajet ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( California Prop 65 Warning: This Product Can Expose You To Chemicals, Including Lead, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm. ), ( Performance Part: No )

Review ROCHESTER Professionally Rebuilt Heavy Duty Carburetor. fits 350 400

Rochester 3-3672 Quadrajet M4MC 4-Barrel Carburetor for 1965-1967 Ford 350 and 400 Engines

The Rochester 3-3672 Quadrajet M4MC 4-Barrel Carburetor is a high-performance replacement part designed for 1965-1967 Ford 350 and 400 engines. This carburetor is a direct replacement for the original factory-installed unit, ensuring a perfect fit and seamless integration into your classic Ford vehicle.

The Rochester 3-3672 Quadrajet M4MC Carburetor is renowned for its excellent fuel efficiency, powerful engine response, and reliable operation. This carburetor features a quadruple-venturi design, which allows for increased airflow and fuel mixture, leading to enhanced engine performance and improved fuel economy.

This 4-Barrel Carburetor comes equipped with an M4MC choke system, ensuring quick and easy cold starts. The choke system is designed to provide efficient and consistent idle speed during cold engine conditions. It also includes a vacuum secondary system, which provides extra fuel during acceleration, resulting in smoother and more responsive engine performance.

Each Rochester 3-3672 Quadrajet Carburetor is meticulously crafted with precision machined components and tight tolerances. The carburetor body is made from durable cast aluminum, making it both lightweight and robust. The carburetor comes with a new gasket set, ensuring a leak-free installation.

Installing the Rochester 3-3672 Quadrajet M4MC 4-Barrel Carburetor is a straightforward process, thanks to its plug-and-play design. It is compatible with factory Ford intake manifolds, making it an ideal choice for those seeking to restore their classic Ford vehicles to their original glory.

In summary, the Rochester 3-3672 Quadrajet M4MC 4-Barrel Carburetor is a high-performance, reliable, and easy-to-install replacement part for 1965-1967 Ford 350 and 400 engines. It offers improved fuel efficiency, powerful engine response, and efficient cold starts, making it an essential upgrade for any classic Ford enthusiast.

Pros and Cons of buying a Rochester 3-3672 M4MC 4bbl Carburetor for a 350/400 Engine

The Rochester 3-3672 M4MC 4bbl Carburetor is a popular choice for those looking to upgrade their 350/400 engine. However, like any automotive part, it comes with its advantages and disadvantages. In this article, we will discuss the pros and cons of purchasing this carburetor.

1. Improved Performance: This carburetor offers improved air/fuel mixture, resulting in better engine performance. It allows for a more efficient combustion process, leading to increased horsepower and torque.

2. Fuel Economy: The Rochester 3-3672 M4MC 4bbl Carburetor can help improve fuel economy. With a more efficient fuel delivery system, the engine uses less fuel to produce the same amount of power.

3. Smoother Idle: This carburetor provides a smoother idle, reducing engine vibrations and improving overall drivability.

4. Easy Installation: The Rochester 3-3672 M4MC 4bbl Carburetor is relatively easy to install, making it a popular choice for DIY enthusiasts. The kit includes all necessary hardware and instructions.

1. Cost: This carburetor is more expensive than stock carburetors. While the performance benefits may outweigh the cost for some, it may be a significant investment for others.

2. Complexity: Compared to a stock carburetor, the Rochester 3-3672 M4MC 4bbl Carburetor is more complex. It requires more adjustments and maintenance to ensure optimal performance.

3. Fuel Consumption: Although this carburetor can improve fuel economy, it may also increase fuel consumption if not properly tuned. Proper tuning is essential to ensure the best possible fuel efficiency.

The Rochester 3-3672 M4MC 4bbl Carburetor offers several advantages over stock carburetors, including improved performance, smoother idle, and potentially better fuel economy. However, it also comes with some disadvantages, such as a higher cost and increased complexity. Ultimately, the decision to purchase this carburetor depends on personal preferences, budget, and desired performance improvements. For those looking for a significant performance boost and willing to invest in the necessary tuning, the Rochester 3-3672 M4MC 4bbl Carburetor may be a worthwhile investment. For others, a stock carburetor or alternative performance upgrades may be more suitable.

Before making a purchase, consider the specific goals for your 350/400 engine upgrade. If you're seeking a significant performance boost and are willing to invest in proper tuning, the Rochester 3-3672 M4MC 4bbl Carburetor may be a suitable choice. However, if budget is a concern or you prefer a simpler upgrade, alternative performance upgrades or a stock carburetor may be more suitable. Proper research and consideration are essential to ensure the best possible outcome for your automotive project.

Details:

Box within a box. This is for the Heavy Duty GM small block 350 or 400. Still sealed from factory is a M4MC Heavy Duty Rochester carburetor. Rebuild Factory part number is 3-3672 4 barrel M4MC Current price of these $310 Item ships in the same box I received it from factory.

Bought this for a project I no longer have. All they do is rebuild carburetors.

part #: 33672 prices

• $199.99-$495.00

specifications carbcoon:

• for models: 350, 400
• for makes: Rochester
• mpn: 3-3672
• choke type: Mechanical
• type: Carburetor
• manufacturer warranty: 1 Year
• features: Quadrajet
• vintage part: Yes
• country of origin: United States
• california prop 65 warning: This Product Can Expose You To Chemicals, Including Lead, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm.
• performance part: No

payments carbcoon:

• credit card: Visa
• other
• money order
• wallet: Paypal

general carbcoon:

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

seller carbcoon:

• city: Luther, Oklahoma
• rating: 100.0%
• # reviews: 1089

offer carbcoon:

• options: Ship-to-home
• quantity: 1
• sold: 0
• best offers: True
• availability: In Stock
• started: March 10, 2026

returns carbcoon:

• policy: No Returns

shipping carbcoon:

• class: Standard
• cost: $11.87
• transit: 4-10 Days
• service: USPS Ground Advantage
• carrier: USPS
• type: Calculated

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