fits make: Chevrolet.

( Brand: Delco Remy ), ( Manufacturer Part Number: 644-D ), ( Type: Distributor )
The Delco Remy 644-D distributor is a crucial part of the ignition system in certain classic Chevrolet vehicles manufactured between the late 1940s and the early 1950s. This distributor, designed by the Delco Remy division of General Motors, is known for its durability and reliability even in applications with high engine RPMs.
The Delco Remy 644-D distributor housing is made from a heat-treated aluminum alloy, ensuring that it can withstand the demands of constant use in the demanding conditions of an internal combustion engine. The housing has eight somethings (vented ports) to allow for proper dissipation of heat.
The distributor rotor at the center of the housing is designed to distribute the high voltage spark from the ignition coil to each spark plug in the correct order. This rotor is made from electrically insulating material and features a unique copper alloy distribution tip to provide a consistent and powerful spark to each cylinder.
One notable feature of the Delco Remy 644-D distributor is its fine-point settings. This design allows for precise and efficient ignition timing, which contributes to the engine's power and performance. The distributor also comes with 59 threaded mounting bosses that securely attach it to the engine block or cylinder head.
These distributors require a points and condenser ignition system which may necessitate the replacement of points, condenser, and rotor arm if worn. It's essential to install the points fanatical and according to the specified specifications to ensure the correct ignition timing and overall performance of the engine. A sear or points gap gauge may be used for the accurate setting of the points gap.
In case of accelerated aging or failure, the Delco Remy 644-D distributor can be rebuilt by replacing the various components, such as the contacts, rotor, and capacitor (condenser). This is a cost-effective alternative to purchasing a new distributor, particularly if the engine continues to perform effectively in all other aspects.
To ensure a reliable and efficient operation, keep in mind that theDelco Remy 644-D distributor should be periodically inspected for signs of wear, such as arcing, pitting, or corrosion. Proper maintenance, including regular cleaning, lubrication, and replacement of worn components, will contribute to prolonging the life of the distributor and ensuring optimal engine performance.
Using a high-quality Delco Remy 644-D distributor or one that has been rebuilt with genuine OEM parts is a solid investment in the longevity and reliability of any classic Chevrolet vehicle.
Delco Remy 644-D distributor for a 1940s Chevrolet: Pros and Cons
The Delco Remy 644-D distributor is a commonly used distributor for 1940s Chevrolet vehicles. It is important to consider both the advantages and disadvantages before deciding to purchase this distributor.
Pros:1. Reliability: Delco Remy distributors have a reputation for being reliable and durable. They are known to last for a long time, making them a popular choice for classic car enthusiasts.
2. Easy to find: The Delco Remy 644-D distributor is widely available in the market. This means that you can easily find it from various suppliers, both online and offline, making it a convenient option for car owners.
3. Availability of parts: Delco Remy distributors have been in production for several decades, and as a result, replacement parts are readily available. This saves time and effort in sourcing hard-to-find parts.
4. Easy to install: Installing a Delco Remy distributor is straightforward and does not require extensive mechanical knowledge. This makes it a good option for DIY car enthusiasts who prefer to work on their vehicles themselves.
Cons:1. Expensive: Delco Remy distributors can be more expensive than some other types of distributors. However, the reliability and availability of parts may justify the cost for some car owners.
2. Requires routine maintenance: Like any other mechanical component, the Delco Remy distributor requires routine maintenance to keep it in good working order. This includes regular cleaning of the points and caps, and replacement of parts as needed.
3. Not suitable for high-performance applications: If you are planning to modify your classic Chevrolet for high-performance applications, a Delco Remy distributor may not be the best option. High-performance engines require more advanced distributors to deliver precise ignition timing.
4. May require modifications for some applications: Depending on the specific make and model of your 1940s Chevrolet, you may need to make modifications to the wiring or mounting bracket to install the Delco Remy distributor properly.
Conclusion:In conclusion, the Delco Remy 644-D distributor offers several advantages for 1940s Chevrolet owners, including reliability, ease of availability, and straightforward installation. However, it also has some disadvantages, such as being more expensive than other distributors, requiring routine maintenance, and not being suitable for high-performance applications. Overall, the decision to purchase a Delco Remy distributor depends on the specific needs and budget of the car owner.
Recommendation:If you are looking for a reliable and convenient option to replace the distributor in your 1940s Chevrolet, the Delco Remy 644-D distributor is worth considering. However, it is important to carefully weigh the pros and cons and determine if it is the best fit for your specific application and budget. If you require a more advanced distributor for a high-performance application, you may need to explore other options.
This distributor is use in Chevy 194 CID engines from 1929-1932.Set up to be without Electroshock system. Just a universal key switch works.