Holley 0-4777C 650 CFM Double Pumper Carburetor
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Holley 0-4777C 650 CFM Double Pumper Carburetor
This carburetor has dual metering blocks, dual feed fuel inlets, and dual accelerator pumps for fine tuning of secondary jetting.
Holley 0-4777C 650 CFM Double Pumper Carburetor
Numéro d'article: 14268580

Holley 0-4777C 650 CFM Double Pumper Carburetor

Numéro d'article: 14268580
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États-Unis Importé depuis la boutique USA
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This carburetor has dual metering blocks, dual feed fuel inlets, and dual accelerator pumps for fine tuning of secondary jetting.
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Ce qui se démarque

High Performance
The Holley 0-4777C carburetor offers 650 CFM, ensuring optimal air and fuel mixture for high-performance engines, enhancing horsepower and acceleration.
Dual Fuel Feed
With its double pumper design, this carburetor provides instant throttle response and improved fuel delivery, ideal for street or race applications.
Adjustable Settings
Easily tune the Holley 0-4777C for various driving conditions with its adjustable float levels and simple jet changes, allowing for personalized performance.

Détails du produit

Shop the Holley 0-4777C Model 4150 Double Pumper 650 CFM Square Bore 4-Barrel Mechanical Secondary Manual Choke New Carburetor at Ubuy Saint Pierre and Miquelon. Features include dual metering blocks, dual feed fuel inlets, and more. Limited warranty available.
  • 650 CFM double pumper carburetor with mechanical secondary dual accelerator pump
  • Dual feed fuel inlet with mechanical secondary type
  • Dichromate finished with center hung floats
  • 100% wet-flow tested and calibrated for street drivability
  • Features dual metering blocks, power valve blow-out protection, and manual choke for easy engine warm-up control
  • Comes with a limited warranty
Brand NameHolley
Model Number0-4777C
OEM Equivalent Part Number0-4777C
Global Trade Identification Number00090127470022
ManufacturerHolley
Number of Items1
UPC090127470022
Included ComponentsHolley 0-4777C 650 CFM Double Pumper Carburetor
Item Type NameHolley 0-4777C 650 CFM Double Pumper Carburetor
Item Weight0.27 g
Manufacturer Part Number04777C
Compatible with Vehicle TypeCar
Flange TypeSquare Bore
Fuel TypeGasoline
Exterior FinishMachined
Specific Uses For ProductPerformance,Power
BrandHolley
Vehicle Service TypeCar

À qui est-ce destiné ?

Suitable For
  • Performance Enthusiasts

    Ideal for those seeking maximum horsepower and throttle response in high-performance street or race applications.

  • Custom Hot Rods

    Perfect for engine swaps and custom builds requiring a reliable and powerful carburetor for optimal performance.

  • Weekend Racers

    Designed for weekend racers who want quick adjustments and a powerful fuel delivery system for track events.

Not Suitable For
  • Daily Drivers

    Not suitable for everyday street use where fuel efficiency and ease of tuning are more impactful.

DESCRIPTION DU PRODUIT

Holley 0-4777C 650 CFM Double Pumper Carburetor

Vous avez une question ? Chattez avec nous

Questions et réponses des clients

  • question: What is the Holley 0-4777C 650 CFM Double Pumper Carburetor?

    répondre: The Holley 0-4777C 650 CFM Double Pumper Carburetor is a high-performance carburetor designed for enhanced acceleration and throttle response. This carburetor features dual fuel inlets and two mechanical secondaries, ensuring superior fuel delivery for high-output engines. Whether you're racing on the track or driving a modified street vehicle, this carburetor excels in providing a reliable air-fuel mixture, making it an ideal choice for performance enthusiasts.
  • question: What engines are compatible with the Holley 0-4777C Carburetor?

    répondre: The Holley 0-4777C 650 CFM Double Pumper Carburetor is primarily compatible with V8 engines, typically ranging from 302 to 427 cubic inches in displacement. Its design is ideal for engines requiring a high fuel flow and better control at wide-open throttle, making it suitable for muscle cars, classic builds, and race applications. Always consult your engine's specifications or the manufacturer's recommendations to ensure proper compatibility.
  • question: What makes the double pumper design beneficial?

    répondre: The double pumper design of the Holley 0-4777C Carburetor allows for increased airflow and quicker throttle response, especially under full throttle conditions. This setup is particularly beneficial for performance vehicles where instant power delivery is crucial. In practical terms, this means quicker acceleration times and improved performance in demanding driving scenarios, such as racing or spirited driving on back roads.
  • question: How do I adjust the Holley 0-4777C Carburetor?

    répondre: To adjust the Holley 0-4777C Carburetor, you need to start by tuning the idle screws to achieve the desired RPM and air-fuel mixture. Next, adjust the float levels for optimal fuel delivery, and tweak the accelerator pump for precise throttle response. These adjustments can greatly enhance performance, particularly for specific applications like drag racing or cruising. It's advisable to have a tuning kit handy for best results.
  • question: Can I install the Holley 0-4777C Carburetor myself?

    répondre: Yes, you can install the Holley 0-4777C Carburetor yourself, provided you have basic mechanical skills and tools. The installation involves removing the old carburetor, ensuring proper linkage hookup, and making necessary fuel line connections. This DIY approach not only saves on labor costs but also offers hands-on understanding of your vehicle's performance. However, if unfamiliar with carburetors, consider consulting with a professional.
  • question: What are the common problems with the Holley 0-4777C Carburetor?

    répondre: Common issues with the Holley 0-4777C Carburetor include fuel leaks, improper tuning, or clogged jets, which can hinder performance. Users should regularly inspect for leaks around the gaskets and ensure that tuning is set correctly based on driving conditions. This maintenance ensures that the carburetor operates at peak efficiency, especially during high-demand drives like races or heavy acceleration scenarios.
  • question: What fuel type does the Holley 0-4777C Carburetor require?

    répondre: The Holley 0-4777C Carburetor is designed to work best with gasoline, typically with a minimum octane rating of 91 for optimal performance. Higher octane fuels help to prevent pre-ignition and knocking, ensuring that the carburetor delivers the best fuel mixture for enhanced power and efficiency. Performance enthusiasts often prefer premium fuel to maximize the performance and longevity of their engine.
  • question: Is the Holley 0-4777C suitable for street use?

    répondre: Yes, the Holley 0-4777C 650 CFM Double Pumper Carburetor can be suitable for street use, particularly for performance-oriented builds. Its tuning capabilities allow for adjustments to match street driving conditions, offering a dramatic improvement in throttle response and acceleration. Many vehicle owners use this carburetor in classic cars or performance trucks, making it versatile for both daily driving and weekend racing.
  • question: What size air filter do I need for the Holley 0-4777C Carburetor?

    répondre: The Holley 0-4777C Carburetor typically requires an air filter with a diameter of approximately 14 inches for optimal performance. This size ensures that there is sufficient airflow to meet the demands of the carburetor's CFM rating. Choosing the right filter also influences overall engine performance, so opting for a high-quality, performance-oriented air cleaner will complement the carburetor's capabilities.
  • question: Where can I buy the Holley 0-4777C 650 CFM Double Pumper Carburetor?

    répondre: You can purchase the Holley 0-4777C 650 CFM Double Pumper Carburetor from Ubuy in Saint Pierre and Miquelon. Ubuy offers a variety of automotive performance products and ensures you get genuine parts delivered right to your doorstep. Whether you're a professional mechanic or an enthusiast, Ubuy makes it easy to find and acquire the top-performance components you need for your build.

Holley Carburetors 0-4777C Editorial Review

The Holley 0-4777C Model 4150 Double Pumper 650 CFM Square Bore 4-Barrel Carburetor is generally well-received by customers. It works well out of the box and has been reported to work great on vehicles such as the 77CJ7 with a GM 350 engine. However, some users have experienced issues with metal shavings inside the carburetor, which affected performance on the track. Additionally, there have been complaints about receiving faulty carburetors with damaged parts when purchasing from Amazon. It is recommended to buy performance parts directly from the manufacturer or from legitimate performance websites. Overall, it is a reliable carburetor once any initial issues are addressed.

Avis et évaluations clients

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Avantages

  • Works well out of the box
  • Great performance on certain vehicles

Les inconvénients

  • Potential for metal shavings inside the carburetor

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Nos meilleurs partenaires logistiques
  • fedex
  • dhl
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Caractéristiques et avantages

  • Dual metering blocks.
  • Dual feed fuel inlets.
  • Dual accelerator pumps for fine tuning of the secondary jetting.
  • Manual choke.
  • Center-hung float bowl.
  • Calibrated for gasoline.

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