ROCHESTER R4-4MC Jet Carburetor Blazer/jimmy

( Brand: Rochester ), ( Manufacturer Part Number: R4-4MC ), ( Type: Carburetor ), ( Oe/oem Part Number: 7044202 ), ( Features: Quadrajet )

Review ROCHESTER Chevy Q jet Carburetor Chevelle/camino/chevrolet/monte Blazer/jimmy fits CHEVELLE CAMINO MONTE CARLO BLAZER JIMMY 1974

Rochester R4-4MC Q-Jet Carburetor - Perfect Fit for 1974 Chevrolet Chevelle, Camino, Monte Carlo, Blazer, and Jimmy

The Rochester R4-4MC Q-Jet Carburetor is a legendary fuel delivery system that has been a staple in the automotive industry, particularly for classic Chevrolet vehicles. Engineered to provide optimal performance and fuel efficiency, this carburetor is an essential upgrade for any enthusiast looking to breathe new life into their 1974 Chevelle, Camino, Monte Carlo, Blazer, or Jimmy.

The R4-4MC Q-Jet Carburetor is a 2-barrel, downdraft design that features a unique venturi shape and a throttle body with integral fuel bowls. The venturi shape ensures proper airflow and fuel mixture while the integral fuel bowls offer improved fuel atomization. This results in a more complete combustion process, leading to increased horsepower and torque.

One of the most distinctive features of the R4-4MC Q-Jet Carburetor is its secondary metering system, which utilizes a unique design of vacuum-operated secondary throttle plates. These plates open progressively as vacuum increases, allowing more fuel to enter the secondary ports for improved power and drivability at higher engine speeds.

This carburetor also comes with a number of performance-enhancing features, such as adjustable idle mixture and idle speed screws, allowing for fine-tuning to optimize the engine's idle characteristics. Additionally, the R4-4MC Q-Jet Carburetor features a vacuum secondaries system that utilizes a single, large vacuum pump to provide ample vacuum for secondary operation.

Installation of the Rochester R4-4MC Q-Jet Carburetor is a straightforward process, with all necessary hardware included in the kit. The kit also includes a gas collector manifold, secondary linkages, and gaskets to ensure a proper seal and hassle-free installation.

In summary, the Rochester R4-4MC Q-Jet Carburetor is a high-performance fuel delivery system that is perfect for 1974 Chevrolet Chevelle, Camino, Monte Carlo, Blazer, and Jimmy models. With its unique design features, including a progressive secondary metering system and adjustable idle mixture and idle speed screws, this carburetor offers improved power, torque, and drivability. Installation is straightforward, and the kit includes all necessary hardware for a hassle-free installation process. Upgrade your classic Chevrolet vehicle with the legendary Rochester R4-4MC Q-Jet Carburetor.

The Rochester Quadrajet carburetor, specifically the R4-4M model produced in 1974, was a common carburetor used on various Chevrolet vehicles such as the Chevelle, Camino, Monte Carlo, Blazer, and Jimmy. Here are some pros and cons of buying this carburetor for your project.

1. Widely available: Due to its popularity, you can easily find this carburetor in the aftermarket, making it a relatively accessible choice.

2. Versatile: The R4-4M carburetor was used on multiple Chevrolet models, meaning that it can fit a wide range of applications.

3. Good fuel economy: This carburetor was designed to provide good fuel economy, making it a popular choice for those looking to improve the gas mileage of their classic Chevrolet.

4. Improved performance: Compared to earlier Quadrajet models, the R4-4M carburetor features improved idle qualities and better throttle response, leading to better overall performance.

1. Complexity: Quadrajet carburetors are known for their complexity, and the R4-4M model is no exception. This can make the carburetor difficult to tune and maintain, especially for beginners.

2. Air pollution control: The R4-4M carburetor was designed to meet 1974 emission standards, which may require modifications to meet modern emission regulations.

3. Cost: Due to its popularity and demand, the price of the R4-4M carburetor can be relatively high. Additionally, the cost of rebuilding or tuning the carburetor can add to the overall expense.

The Rochester R4-4M Quadrajet carburetor is a popular choice for those looking to restore or modify their classic Chevrolet vehicles. Its versatility, good fuel economy, and improved performance make it an attractive option. However, its complexity and potential cost may deter some buyers. If you are comfortable with the challenges that come with a Quadrajet carburetor and are willing to invest the time and resources, then the R4-4M may be the right choice for your project.

If you are considering buying a Rochester R4-4M Quadrajet carburetor, make sure to do your research before making a purchase. Familiarize yourself with the carburetor's features, tuning requirements, and potential modifications. Additionally, consider purchasing a rebuilt or remanufactured carburetor to save time and ensure optimal performance. Finally, be prepared for the ongoing maintenance and tuning that may be required to keep your Quadrajet carburetor running at its best.

Details:

High performance R4-4MC, #7044202. E-mail with Questions or for more Photos. No handling charges. Clean, not stuck.

I pack very well, using plenty of cushioning in strong boxes, and even double box with fragile items. Will combine shipping. Fixed prices for shipping are lower 48. Satisfaction Guaranteed.

part #: r44mc prices

• $44.24-$90.00

specifications carbcoon:

• for models: Chevelle, Camino, Monte, Carlo, Blazer, Jimmy
• for makes: Chevy, Chevrolet, Rochester
• for years: 1974
• brand: Rochester
• mpn: R4-4mc
• type: Carburetor
• oe/oem part number: 7044202
• features: Quadrajet

payments carbcoon:

• other
• wallet: Apple-pay
• credit card: Diners-club

general carbcoon:

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

offer carbcoon:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: July 19, 2025
• quantity: 1

shipping carbcoon:

• carrier: USPS
• transit: 4-9 Days
• cost: $14.61
• service: USPS Ground Advantage
• class: Standard
• type: Calculated

seller carbcoon:

• rating: 100.0%
• city: Rapid City, South Dakota
• # reviews: 6058

returns carbcoon:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

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