HOLLEY 6339-5749 Carburetor Carb Block 4150-G 4-BARREL 391

( Brand: Holley ), ( Part Type: Carburetor Block ), ( Manufacturer Part Number: 6339-5749 )

Review HOLLEY 4-barrel Carburetor Carb 6339 Metering Block Ford Truck 391 fits 1972

The Holley 6339-5749 4150-G 4-barrel carburetor is a top-performing, high-volume fuel delivery system designed specifically for enthusiasts looking to enhance the power and efficiency of their 1972 Ford 391 engines. This carburetor, part number 6339-5749, is an improvement of the iconic Holley 4150 series, a staple in the world of classic hot rods and muscle cars.

This Holley carburetor features a 4-barrel design, meaning it utilizes four individual barrels to increase airflow and fuel delivery capabilities. The carburetor is designed to fit a Ford 391 engine, a powerful and popular engine amongst Ford enthusiasts.

Built with a durable cast-aluminum body, this carburetor is designed to withstand the rigors of high-performance driving. The primary and secondary metering rods are also made of robust materials to ensure consistent fuel delivery. The 4150-G model features a vacuum secondary system, allowing the secondary circuits to provide additional fuel as engine vacuum increases for ideal power delivery.

The Holley 6339-5749 4150-G 4-barrel carburetor is equipped with Holley's unique 4-corner idle circuit, ensuring stable idling under various engine loads and temperatures. The carburetor's accelerator pumps provide ample fuel to the engine during acceleration, ensuring quick, responsive throttle response.

The versatile base plate on this carburetor allows for easy adjustments, making it a popular choice among builders and restoration enthusiasts. The carburetor also comes with an air gap primary, and secondary emulsion tubes to enhance performance and further fine-tune the engine's power characteristics.

Holley's commitment to precision manufacturing and innovative design means that this 4-barrel carburetor delivers outstanding performance, reliability, and durability for those seeking to extract the most power and efficiency from their classic Ford 391 engines. The Holley 6339-5749 4150-G 4-barrel carburetor is a must-have for any serious Ford enthusiast looking to unleash the full potential of their engine.

The Holley 6339-5749 4150-G 4-barrel carburetor is a popular choice for those looking to enhance the performance of their 1972 Ford 391 engine. Here are some pros and cons to help you make an informed decision:

1. Improved Air/Fuel Mixture: This carburetor provides better air/fuel mixture, which translates to more power and better fuel efficiency. It is designed to deliver a consistent and accurate fuel delivery for optimal engine performance.

2. Easy Installation: The Holley 4150 series carburetors are known for their easy installation process. They can be installed on most Ford applications without major modifications.

3. Customizable: Holley carburetors are highly customizable, allowing you to fine-tune your engine settings to your specific needs. The 4150-G model has adjustable jets, emulsion tubes, and idle mixtures.

4. Better Idle Control: Compared to the stock carburetor, this Holley carburetor provides better idle stability and smoother idle quality.

5. Better Power Output: With a Holley 4150-G carburetor, you can expect an increase in horsepower and torque, especially at mid-range RPMs.

6. Durability: Holley carburetors are known for their durability and longevity. The 4150-G model is made of high-quality materials and is designed to withstand the rigors of high-performance applications.

1. Cost: Holleys are often more expensive than stock carburetors. However, the performance benefits may outweigh the additional cost for some.

2. Complexity: Compared to stock carburetors, Holley carburetors have more adjustments and can be more complex to set up. It may require some initial tuning and adjustments, which could be time-consuming for some.

3. Fuel Economy: The improved air/fuel mixture and increased power comes at the cost of reduced fuel economy. If fuel efficiency is a priority, this may not be the best choice.

4. Maintenance: Holley carburetors require more maintenance compared to stock carburetors. It may need regular check-ups to ensure optimal performance and adjustments for different driving conditions.

The Holley 6339-5749 4150-G 4-barrel carburetor is an excellent choice for those looking to increase the power and performance of their 1972 Ford 391 engine. While it comes with some costs, including additional complexity and maintenance, the potential benefits in horsepower, torque, and overall engine performance can make it a worthwhile investment. Ultimately, it all comes down to your personal priorities and driving needs. If improved performance is your primary goal, then a Holley carburetor is an excellent choice. However, if fuel economy or ease of use is a priority, then a stock carburetor or alternative options may be more suitable.

If you decide to go with a Holley carburetor, do your homework before making the purchase. Research the right model and compatibility for your engine and vehicle. Consult with a professional mechanic if needed, and be prepared for the additional maintenance and tuning requirements. With proper research and installation, you'll have a high-performance carburetor that can provide years of enjoyment on the road or track.

part # 63395749 prices

• $22.78-$50.00

specifications carbcaddie:

• for makes: Ford
• for years: 1972
• brand: Holley
• part type: Carburetor Block
• manufacturer part number: 6339-5749

shipping carbcaddie:

• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• transit: 3-8 Days
• cost: $0.00
• carrier: USPS

general carbcaddie:

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

seller carbcaddie:

• # reviews: 28963
• rating: 99.9%

offer carbcaddie:

• availability: In Stock
• started: November 18, 2024
• quantity: 1
• best offers: True
• options: Ship-to-home
• sold: 0

payments carbcaddie:

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• credit card: Visa

returns carbcaddie:

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

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