HOLLEY FR-4780C Double Pumper Carburetor 090127649213

( Brand: Holley ), ( Manufacturer Part Number: FR-4780C ), ( Part Type: Carburetor ), ( UPC: 090127649213 )

Review HOLLEY Double Pumper Carburetor Factory Refurbished

The Holley FR-4780C Double Pumper Carburetor is a high-performance automotive fuel delivery system designed for serious enthusiasts and professional racers. This carburetor is part of Holley's popular Ultra Series, known for its superior quality, reliability, and ease of tuning.

The FR-4780C is a dual-feed, multi-port, double pumper carburetor, which means it features two fuel pumps for increased fuel flow and improved performance. The primary pump is a mechanical diaphragm pump, while the secondary pump is a vacuum-operated unit. This dual-pump design ensures smooth, consistent fuel delivery under a wide range of engine conditions, from idle to full throttle.

The carburetor boasts a 4-barrel, 850 CFM (cubic feet per minute) venturi design, suitable for high-horsepower applications. The large venturi allows for increased airflow, which in turn, allows for more fuel to be delivered to the engine, resulting in improved power and torque.

The FR-4780C features a dual-plane intake manifold, which helps to improve engine efficiency by reducing turbulence and promoting smoother airflow. The intake manifold is also specifically designed to work with Holley's 650 cfm secondary throttle bodies, making it a great option for high-performance applications.

The carburetor is equipped with a high-quality accelerator pump, which provides an instantaneous fuel enrichment during acceleration, promoting quicker throttle response and better acceleration. The pump is adjustable, allowing for fine-tuning to suit specific engine requirements.

The FR-4780C also features a reliable and easy-to-use vacuum secondary system. The system consists of three vacuum ports, one for the main jet circuit, one for the accelerator pump, and one for the secondary throttle body. This allows for precise tuning of the fuel mixture, ensuring optimal engine performance.

The carburetor is constructed from high-quality aluminum, making it lightweight and durable. It also features a polished finish, giving it a sleek and stylish appearance. The base plate is CNC-machined for precision and accuracy, and the float bowls are removable, making it easier to clean and maintain.

In conclusion, the Holley FR-4780C Double Pumper Carburetor is a high-performance, reliable, and easy-to-tune fuel delivery system. Its dual-pump design, large venturi, and vacuum secondary system make it an excellent choice for high-horsepower applications. Its lightweight construction, polished finish, and easy maintenance make it a great option for both enthusiasts and professional racers.

1. High Flow Design: This carburetor features a high-flow design that allows for improved airflow and fuel delivery, which can result in better performance and increased horsepower.

2. Double Pumper System: The double pumper system helps to maintain consistent fuel delivery, even under load, which can improve throttle response and reduce fuel consumption.

3. Easily Adjustable: The Holley FR-4780C is easily adjustable, allowing you to fine-tune the fuel mixture to suit your specific engine and driving conditions.

4. Durable Construction: This carburetor is built to last with a heavy-duty cast aluminum base and high-quality components.

1. Price: This carburetor is on the higher end of the price range, which may be a deterrent for some buyers.

2. Complexity: Compared to simpler carburetors, the Holley FR-4780C can be more complex to install and tune, which may require additional time and expertise.

3. Potential for Fuel Leaks: As with any carburetor, there is a risk of fuel leaks if not installed or tuned properly.

The Holley FR-4780C Double Pumper Carburetor is a high-quality, high-performance carburetor that can deliver improved fuel delivery, throttle response, and horsepower. However, it is also more expensive and complex than some other carburetors on the market. If you are willing to invest the time and money to properly install and tune this carburetor, it can be a great upgrade for your engine. If you are looking for a simpler and more affordable option, there may be other carburetors that would better suit your needs.

If you are looking for a high-performance carburetor that can deliver improved fuel delivery, throttle response, and horsepower, the Holley FR-4780C Double Pumper Carburetor is a great option to consider. However, be sure to properly install and tune the carburetor to ensure that you are getting the best possible performance from it. If you are unsure of your ability to install or tune the carburetor yourself, it may be worth considering hiring a professional to do the work for you.

Details:

Dual feed fuel inlet's for constant high volume delivery. Optimized street/strip calibration that works out-of-the-box. Buyer pays return shipping. Mechanical secondaries for awesome tire turning performance.

100% wet-flow tested by Holley technicians to assure it arrives ready run. Manual choke Cable driven, hand operated for precise cold start control. A signature is required on all UPS orders over $750.

part #: fr4780c prices

• $172.99-$628.95

specifications carbcoon:

• brand: Holley
• mpn: Fr-4780c
• part type: Carburetor
• upc: 090127649213

seller carbcoon:

• # reviews: 8505
• city: Bowling Green, Kentucky
• rating: 98.2%

general carbcoon:

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

shipping carbcoon:

• cost: $0.00
• transit: 4-6 Days
• type: Fixed
• carrier: UPS
• class: Standard
• service: UPS Ground

payments carbcoon:

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

returns carbcoon:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

offer carbcoon:

• sold: 0
• quantity: 1
• started: September 12, 2024
• availability: In Stock
• options: Ship-to-home

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