HOLLEY 4697 Choke Carburetor 170

( Brand: Holley ), ( Manufacturer Part Number: 4697 ), ( Type: Carburetor )

Review HOLLEY Rebuilt 1940 Ford Truck 170 Hand Choke Carburetor fits BRONCO 1966–1968

The Holley 4697 170 CFM 1940-1966-1968 Ford Bronco 4-barrel Carburetor is a high-performance replacement option for original factory carburetors. Designed to deliver reliable and consistent fuel delivery, this carburetor is an excellent choice for restorations and performance upgrades.

The Holley 4697 carburetor comes equipped with a 170 CFM (cubic feet per minute) airflow rate, making it suitable for larger engines and high-performance applications. It features a 4-barrel design that ensures proper fuel mixture for efficient combustion, delivering optimal power and torque.

The carburetor's design includes a 1.75-inch primary bore and a 2.020-inch secondary bore, which optimizes fuel delivery for various engine conditions. The Holley 4697 also includes a 1940-1966 Ford Bronco-specific base plate, allowing for easy installation and adaptability to the vehicle's unique engine bay.

Additionally, this carburetor comes with a 1966-1968 Ford Bronco-specific choke mechanism, ensuring a correct fit and proper function. The choke mechanism is also adjustable, allowing users to fine-tune the idle mixture for various weather conditions and altitudes.

The Holley 4697 carburetor is constructed from high-quality materials, including a billet aluminum base and stainless steel components, ensuring durability and longevity. It also includes a brass fuel bowl gasket and a brass float bowl, which prevent leaks and ensure reliable fuel delivery.

The Holley 4697 carburetor is easy to tune and customize, making it a popular choice among enthusiasts and professionals. It includes a vacuum secondary system, which allows for easy adjustment of the secondary metering rods, ensuring proper fuel delivery during cruising and wide-open throttle.

Moreover, the Holley 4697 carburetor comes with adjustable idle mixture screws and a built-in air bleed system, making it easy to set up and fine-tune the fuel mixture for optimal engine performance. Its smooth, positive vacuum secondary operation provides excellent throttle response and power delivery, making it a top choice for Ford Bronco enthusiasts seeking a high-performance carburetor upgrade.

In summary, the Holley 4697 170 CFM 1940-1966-1968 Ford Bronco 4-barrel Carburetor is a reliable, high-performance replacement option for original factory carburetors. Its adjustable features, durability, and ease of installation make it an excellent choice for restorations and performance upgrades for Ford Broncos of this era.

Holley 4697 1940-1966 Ford Bronco 170 Choke Carburetor: A Comprehensive Analysis

The Holley 4697 1940-1966 Ford Bronco 170 Choke Carburetor is a popular choice among classic Ford Bronco enthusiasts for its reliability and performance improvements. This article aims to provide a balanced analysis of the benefits and drawbacks of installing this carburetor in a 1940-1966 Ford Bronco.

1. Improved Performance: The Holley carburetor offers improved performance compared to the stock carburetor. It delivers a more consistent fuel mixture, which results in better throttle response and increased horsepower.

2. Fuel Efficiency: The carburetor's design allows for better fuel atomization, resulting in more complete combustion and improved fuel efficiency.

3. Easy Installation: The Holley 4697 carburetor is relatively easy to install, making it a popular choice among DIY enthusiasts. The kit includes all necessary parts, and the instructions are clear and easy to follow.

4. Adjustability: The carburetor offers a high degree of adjustability, allowing users to fine-tune the idle mixture and fuel mixture for their specific engine and driving conditions.

5. Durability: Holley carburetors are known for their durability and reliability, making them a wise investment for classic Ford Bronco owners.

1. Cost: The Holley 4697 carburetor is more expensive than the stock carburetor. However, its performance benefits and durability make it a worthwhile investment for many enthusiasts.

2. Complexity: The carburetor's adjustability can be a double-edged sword. While it offers the ability to fine-tune the engine, it can also be more complex to set up correctly, requiring a good understanding of carburetor tuning principles.

3. Fuel System Upgrades: Installing the Holley carburetor may require upgrades to the fuel system, such as a larger fuel pump or fuel filter, which can add to the overall cost of the project.

4. Cold Start Issues: Some users have reported cold start issues with the Holley carburetor, which can be addressed with the proper adjustments or the addition of a choke or electric fuel heater.

The Holley 4697 1940-1966 Ford Bronco 170 Choke Carburetor offers significant performance improvements and durability compared to the stock carburetor. While it comes with a higher price tag and may require some additional fuel system upgrades, its ease of installation and adjustability make it a popular choice among classic Ford Bronco enthusiasts. Ultimately, the decision to install this carburetor depends on individual priorities, budget, and technical expertise.

If you are looking to improve the performance and reliability of your 1940-1966 Ford Bronco and have the necessary budget and technical expertise, the Holley 4697 carburetor is a worthy investment. It offers a high degree of adjustability, improved fuel efficiency, and the durability that Holley is known for. However, be prepared for potential cold start issues and the need for fuel system upgrades. Always ensure that you follow the manufacturer's instructions carefully during installation to ensure optimal performance.

Details:

For sale is a rebuilt Holley 1-barrel model 1940 carburetor. Clean and complete. Stamped list number 4697, labeled as fitting 1966-1968 Ford Bronco Online 170 6cy hand choke without spark control valve. Unit will fit other years and or applications.

part #: 4697 prices

• $55.00-$64.99

specifications carbcoon:

• for models: Bronco
• for makes: Ford
• for years: 1966-1968
• brand: Holley
• mpn: 4697
• type: Carburetor

seller carbcoon:

• # reviews: 667
• city: Waretown, New Jersey
• rating: 100.0%

returns carbcoon:

• policy: No Returns

general carbcoon:

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

payments carbcoon:

• wallet: Paypal
• other
• credit card: Visa

offer carbcoon:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• best offers: True
• quantity: 1
• started: February 13, 2025

shipping carbcoon:

• cost: $24.99
• carrier: USPS
• type: Fixed
• service: USPS Priority Mail
• class: Expedited
• transit: 5-11 Days

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