fits model: 600, Street.

( Brand: Holley ), ( Manufacturer Part Number: L-4776-4 ), ( Choke Type: Electric ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Country/region Of Manufacture: United States )
The Holley L-4776-4 600 CFM Double Pumper Carburetor is a high-performance fuel delivery solution designed for street rods and hot rods. This carburetor is part of Holley's legendary line of performance carburetors and is known for its exceptional power and torque capabilities.
The 600 CFM Double Pumper Carburetor features a unique design with two separate fuel pumps, each pumping fuel to a separate set of jets. This design provides improved fuel pressure stability and consistency, ensuring optimal engine performance under varying load conditions. The double pumper setup also allows for the use of a secondary or "choke" circuit, which can be activated via a push-button or vacuum switch.
The carburetor body is constructed from durable aluminum, and it comes with a high-performance 6-71 intake manifold. The base gasket is made of high-temperature material, ensuring a tight seal between the carburetor and the intake manifold. The carburetor also includes a float bowl drain plug, making it easy to drain the float bowls for maintenance.
The Holley L-4776-4 600 CFM Double Pumper Carburetor comes with a set of 1.25-inch primary jets and 1.5-inch secondary jets, allowing for fine-tuning of the fuel mixture for different engine conditions. The carburetor also includes a set of adjustable secondary needle and jet assemblies, allowing for precise adjustment of the secondary fuel mixture.
The carburetor features a smooth-operating linkage system, with adjustable linkage arms and mounting points. The linkage system is designed to provide easy adjustment of the carburetor's idle mixture and other critical settings. The carburetor also includes a built-in accelerator pump, which provides an additional fuel boost during acceleration for improved throttle response.
The Holley L-4776-4 600 CFM Double Pumper Carburetor is a high-performance fuel delivery solution for street rods and hot rods. With its unique double pumper design, high-performance intake manifold, adjustable secondary fuel mixture, and smooth-operating linkage system, this carburetor delivers exceptional power, torque, and drivability. Whether you're cruising down the highway or pushing your engine to the limit, the Holley L-4776-4 600 CFM Double Pumper Carburetor is the ideal choice for your street rod or hot rod application.
The Holley L-4776-4 600 CFM Double Pumper Carburetor with Choke is a popular choice for street rod applications due to its high flow rate and traditional appearance. Here are some pros and cons to help you make an informed decision:
Pros:1. High Flow Rate: With a 600 CFM flow rate, this carburetor is capable of providing adequate fuel to high-performance engines.
2. Traditional Appearance: The Double Pumper design and chrome finish give this carburetor a classic look that is popular among street rod enthusiasts.
3. Choke: The built-in choke system makes starting the engine easier in cold weather conditions.
4. Adjustability: Holley carburetors are known for their adjustability, allowing you to fine-tune the fuel mixture for optimal performance.
Cons:1. Complexity: Double Pumper carburetors can be more complex to set up and tune compared to single barrel or quadrajet designs.
2. Cost: The Holley L-4776-4 is a premium carburetor and comes with a higher price tag than some other options.
3. Maintenance: Double Pumper carburetors require more maintenance than some other types, including regular adjustments and cleaning.
In conclusion, the Holley L-4776-4 600 CFM Double Pumper Carburetor with Choke is a high-performance option for street rods that demands a classic appearance. Its high flow rate, traditional design, and built-in choke make it an attractive choice for many enthusiasts. However, it comes with a higher cost and increased complexity and maintenance requirements compared to some other options. Ultimately, the decision to purchase this carburetor depends on your personal preferences, budget, and performance goals. If you value high flow rates, classic looks, and are willing to invest in the maintenance, this carburetor could be a great choice for your street rod.
HOLLEY 600 cfm DOUBLE PUMPER CARBURETOR L-4776-4 NO CHOKE STREET HOT ROD.the carb moves freely. A if you follow the golden rule, and treat me as would like to be treated, I will do my best make it right by. Let me know if there is an issue. I sometimes make mistakes, but i'm not out to cheat anyone, or sell you something you're 100% happy with.