fits model: 600.

( Brand: Holley ), ( Manufacturer Part Number: 80504 ), ( Type: Carburetor ), ( Choke Type: Electric )
The Holley 80504 Carburetor is a high-performance, 600 CFM, electric choke, annular discharge carburetor that is designed to deliver precise fuel mixtures for optimal engine performance. This carburetor is a part of Holley's Ultra Series, which is known for its advanced features and exceptional quality.
The 600 CFM air flow rate makes this carburetor an excellent choice for performance applications, where high power output and responsive fuel delivery are essential. The annular discharge design ensures that fuel is atomized evenly and consistently, which leads to improved combustion and smoother engine operation.
One of the most notable features of the Holley 80504 Carburetor is its electric choke. This feature provides quick and reliable choke operation, which is especially important in cold weather starting conditions. The electric choke also ensures that the engine receives a rich fuel mixture during start-up, which helps to ensure easy starting and reduced emissions.
The Holley 80504 Carburetor is also easy to install and adjust. It comes with a number of factory-set adjustments that can be fine-tuned to suit specific engine applications. The primary jet size is adjustable from 0.041 to 0.098 inches, while the secondary jet size can be adjusted from 0.023 to 0.065 inches. These adjustments can be made using the provided Allen wrenches, making it easy to achieve the perfect fuel mixture for your engine.
The carburetor body is made from high-quality aluminum, which is both lightweight and durable. The base gasket is made from a high-temperature, nitrite-treated material, which ensures a tight seal and minimizes the risk of leaks. The fuel bowl is vented, which helps to prevent fuel spillage during hard acceleration.
The Holley 80504 Carburetor is suitable for use with a wide range of fuel systems, including gasoline and methanol. It is also compatible with a variety of ignition systems, including points, distributorless ignition, and electronic ignition.
In summary, the Holley 80504 Carburetor is a high-performance, 600 CFM, electric choke, annular discharge carburetor that is designed to deliver precise fuel mixtures for optimal engine performance. Its advanced features, ease of adjustment, and durable construction make it an excellent choice for performance applications.
The Holley 80504 carburetor is a popular choice for high-performance applications due to its 600 CFM flow rate and electric choke feature. Here are some pros and cons that may help you make an informed decision about purchasing this carburetor:
Pros:1. High Flow Rate: With a flow rate of 600 CFM, this carburetor is suitable for high-performance applications that require a large fuel supply.
2. Electric Choke: The electric choke feature makes starting easier and more consistent, especially in cold weather conditions.
3. Annular Discharge: This design feature helps to reduce fuel hiccups and improve idle stability.
4. Versatile: This carburetor is suitable for a wide range of applications, including gasoline and E85 fuel.
5. Durable: Holley carburetors are known for their durability and reliability.
Cons:1. Complex Installation: Installing this carburetor can be a complex process, especially for those without prior experience.
2. Expensive: Compared to some other carburetors on the market, the Holley 80504 is relatively expensive.
3. Requires Tuning: To get the best performance out of this carburetor, it may require extensive tuning, which can be time-consuming and costly.
4. May Not Be Suitable for Beginners: Due to its complexity and high-performance capabilities, this carburetor may not be suitable for beginners.
In conclusion, the Holley 80504 carburetor is an excellent choice for high-performance applications that require a large fuel supply and consistent starting in various weather conditions. However, its complex installation process, expensive price tag, and requirement for extensive tuning may make it less appealing for some buyers. Ultimately, if you have the experience and resources to install and tune this carburetor, it can provide excellent performance and durability.
Recommendation: If you are looking for a high-performance carburetor with electric choke and annular discharge features, the Holley 80504 is an excellent choice. However, be prepared for a complex installation process, and consider your budget and tuning capabilities before making a purchase. If you are a beginner or have limited resources, you may want to consider a more user-friendly and cost-effective option.
The item was purchased at an estate sale. Ships USPS GROUND ADVANTAGE.