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  3. HOLLEY 4780-3

HOLLEY Carb 800CFM LIST-4780-3 2719 3767

fits model: 6r.

List-4780-3 Holley 4780-3 Carb 800cfm Date 2719 6r 3767 B

( Brand: Holley ), ( Manufacturer Part Number: 4780-3 ), ( Type: Carburetor )

Review HOLLEY Carb 800cfm Date fits 6R

The Holley 4780-3 800 CFM carburetor is a high-performance, fuel-injected carburetor designed for serious hot rods and high-performance applications. This carburetor is part of Holley's Serpentine System series, which features a unique design that allows for the integration of accessories such as alternators, power steering pumps, and air conditioning systems onto a single serpentine belt.

The 4780-3 carburetor features a large 800 CFM primary and 1250 CFM secondary venturi, making it suitable for large displacement engines and high horsepower applications. The carburetor is equipped with Holley's proven HP series internal components, which include a high-performance pump, heavy-duty accelerator pump, and large fuel bowls to ensure proper fuel delivery and consistency under various engine loads.

The carburetor features a built-in electric choke and electric fuel pump, which can be controlled through the use of Holley's EFI Management System. The system allows for easy tuning and calibration of the carburetor through the use of a handheld controller or a PC-based software package. The system also includes features such as knock control, wide-band oxygen sensor integration, and data logging for advanced diagnostics and analysis.

The 4780-3 carburetor is constructed from high-quality materials, including billet aluminum and stainless steel components, to ensure durability and reliability under extreme operating conditions. The carburetor is also compatible with various fuel systems, including E85 and methanol, making it a versatile choice for a wide range of applications.

Installation of the 4780-3 carburetor is made easy through the use of Holley's detailed installation instructions and technical support resources. The carburetor also includes a variety of mounting options to accommodate different engine configurations and applications.

In summary, the Holley 4780-3 800 CFM carburetor is a high-performance, fuel-injected carburetor designed for serious hot rods and high-performance applications. It features a large venturi size, built-in electric choke and fuel pump, and is compatible with various fuel systems. The carburetor is constructed from high-quality materials and includes detailed installation instructions and technical support resources to ensure a smooth installation process.

The Holley 4780-3 carburetor, model number 2719, 6-71, 800 CFM, is a popular choice for high-performance applications. Here are some pros and cons to help you make an informed decision about purchasing this particular carburetor.

Pros:

1. High CFM Rating: The 800 CFM rating makes this carburetor suitable for large engines, such as big-block Chevys, Fords, and Chryslers, which require a lot of fuel and air for optimal performance.

2. Customizable: Holley carburetors are renowned for their versatility, allowing users to fine-tune the jetting, emulsion tubes, and other components to suit their specific engine and driving conditions.

3. Durable: Holley carburetors are known for their robust construction, featuring heavy-duty materials and precision machining, which ensures longevity and resistance to wear and tear.

4. Wide Range of Accessories and Upgrades: Holley offers a vast selection of accessories and upgrades, such as electric choke systems, remote oil pumps, and vacuum secondary systems, which can enhance the carburetor's functionality and convenience.

Cons:

1. Complexity: Holley carburetors can be more complex to install and tune compared to single-barrel or simple dual-barrel carburetors. This complexity might require additional time, resources, and expertise.

2. Cost: The high-performance features and durability of Holley carburetors come at a cost. This particular model is pricier than some other carburetors in its class.

3. Potential for Leaks: Carburetors, in general, can be prone to leaks. Holley carburetors, with their multiple components and intricate design, might require more attention and maintenance to prevent leaks.

Conclusion:

The Holley 4780-3 carburetor, model number 2719, 6-71, 800 CFM, offers excellent performance for high-horsepower engines and provides a high degree of customization. However, it comes with a higher cost and increased complexity compared to simpler carburetors. If you're seeking top-tier performance and are willing to invest the time and resources into installation and tuning, this carburetor could be a worthwhile investment. Alternatively, if you're looking for a more affordable and less complex option, you might consider a single-barrel or simpler dual-barrel carburetor. Ultimately, the decision depends on your specific needs, budget, and level of expertise.

Details:

Holley Carb 800 cfm .

part #: 47803 prices

  • $66.49-$100.00

specifications carbcoon:

  • for models: 6r
  • brand: Holley
  • mpn: 4780-3
  • type: Carburetor

payments carbcoon:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

shipping carbcoon:

  • type: Calculated
  • carrier: USPS
  • class: Expedited
  • service: USPS Priority Mail
  • transit: 3-9 Days
  • cost: $20.66

offer carbcoon:

  • sold: 0
  • started: April 16, 2025
  • availability: In Stock
  • best offers: True
  • quantity: 1
  • options: Ship-to-home

returns carbcoon:

  • policy: No Returns

general carbcoon:

  • condition: Used
  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

seller carbcoon:

  • city: Milford, Michigan
  • # reviews: 26
  • rating: 100.0%
for models: 6r, type: carburetor,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 5699723163472883,

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