fits make: Dodge, Plymouth. year: 1920–1971-72.

( Brand: Holley ), ( Manufacturer Part Number: R6483-1 ), ( Type: Carburetor ), ( Features: Model 1920 )
The Holley R6483-1 1920 Carburetor is a high-performance replacement option for 1971-1972 Dodge and Plymouth 6-cylinder engines. This carburetor, manufactured by Holley Performance Products, is a reliable and efficient choice for those seeking to enhance their engine's power and fuel delivery system.
The R6483-1 carburetor features a classic 1920 series design but incorporates modern technology for exceptional performance. It is equipped with a 670 cfm triple two-barrel configuration, which provides increased air flow and fuel mixture delivery for optimal engine performance. The float bowls are drilled and vented, ensuring proper fuel level and pressure for consistent idling and stable throttle response.
The Holley R6483-1 carburetor comes with an adjustable idle mixture circuit, allowing easy tuning to meet the specific requirements of your engine. The primary and secondary metering rods are removable, making adjustments straightforward. Furthermore, the slide-in needle and seat kit enables fine-tuning of the fuel-air mixture for optimal engine performance under various conditions.
Another significant advantage of this carburetor is its durability, which is achieved through the use of high-quality materials such as billet aluminum and cast iron components. Its vibration dampener reduces engine vibration for a smoother running engine, while the adjustable base plate allows for leveling to accommodate uneven engine mounts and proper carburetor orientation.
The Holley R6483-1 1920 Carburetor is designed to work seamlessly with most electronic ignition systems and comes with a chrome top, making it not only functional but a beautiful addition to any engine bay. Additionally, this carburetor includes the necessary mounting hardware and gaskets, making installation hassle-free.
With its impressive air flow capacity, precise adjustability, durable design, and compatibility with modern engine management systems, the Holley R6483-1 1920 Carburetor is an ideal choice for 1971-1972 Dodge and Plymouth 6-cylinder engine enthusiasts seeking to boost their engine's performance.
a. Improved Air/Fuel Mixture: Holley carburetors are renowned for providing an excellent air/fuel mixture for optimal engine performance. The Holley R6483-1 is specifically designed for 1971-72 Dodge Plymouth 6-cyl engines, ensuring a precise fuel delivery system.
b. Adjustability: This carburetor offers multiple adjustments, including idle mixtures, main jets, and emulsion tubes. These adjustments aid in achieving optimal engine performance under various driving conditions.
c. Durability: Holley carburetors are known for their durability. The R6483-1 model is made from high-quality materials, and its billet aluminum construction ensures it can withstand the rigors of regular use.
d. Performance: The Holley R6483-1 carburetor delivers impressive performance, offering a noticeable improvement in power and torque. It's perfect for enthusiasts interested in upgrading their vehicle s engine and achieving better fuel economy.
2. **Cons:**a. Complexity: One of the downsides of the Holley R6483-1 carburetor is its complexity. With multiple adjustments, setting up and tuning it can be a challenging task, especially for someone without a strong background in carburetor tuning.
b. Cost: Compared to stock carburetors, the Holley R6483-1 is more expensive. Depending on market conditions and shipping costs, the overall price tag for this performance part might be a deterrent for some buyers.
c. Installation: Installing the Holley R6483-1 carburetor on a 1971-72 Dodge Plymouth 6-cyl engine may require professional help. The complexity of this carburetor, coupled with the need for extensive modifications to the intake manifold, can make this installation a task better suited for an experienced mechanic.
3. **Conclusion:**The Holley R6483-1 1920 carburetor offers significant advantages for those looking to improve the performance of their 1971-72 Dodge Plymouth 6-cyl engine. It delivers improved air/fuel mixture, durability, and performance. However, its complexity, cost, and installation challenges should be taken into account before making a purchase.
For those comfortable with the added complexity and cost, the Holley R6483-1 is a high-performance carburetor that yields noticeable results in terms of power and torque. However, it might not be the best choice for those on a budget or without the mechanical expertise for installation and tuning.
4. **Recommendation:**Based on the pros and cons, I would recommend the Holley R6483-1 1920 carburetor to those looking to significantly improve their 1971-72 Dodge Plymouth 6-cyl engine performance. It suits enthusiasts with a solid understanding of carburetor tuning and the necessary budget and resources for its purchase, installation, and ongoing maintenance. For those who are unsure about their mechanical abilities or budget, this carburetor might not be the ideal choice. Instead, they could consider investigating other, less complex upgrade options or seeking professional advice.
It is used; the choke, throttle shaft, and mixture screw are free, accelerator pump plunger stuck; it will need a rebuild. You are buying on a Holley model 1920 one-barrel carburetor from 1972 Dodge 225 6-cylinder, stamped P/N# 6483-1. Shipping is FREE for USA only.