HOLLEY 7847 Carburetor Carb Slant 1-BARREL 225

( Brand: Holley ), ( Manufacturer Part Number: 7847 ), ( Type: Chrysler Plymouth )

Review HOLLEY 1-barrel Carburetor Carb Mopar 225 Slant Six Dodge fits 1945–1977

Introducing the Holley 7847 1945 1-barrel Carburetor, specifically designed for the 1977 Mopar 225 Slant Six Dodge engine. This carburetor is a perfect blend of classic style and modern performance.

The Holley 7847 Carburetor is a 1-barrel model, meaning it utilizes a single barrel for fuel delivery. This design is ideal for engines that don't require the complexity and expense of a multi-barrel setup. The barrel size is 1.5 inches, and the total capacity of the fuel bowl is 1.5 quarts.

The carburetor features a unique design with a classic look that will complement the vintage aesthetic of your 1977 Mopar. The body is made of durable cast aluminum, and it comes with a chrome top for an eye-catching finish. The functional design of the carburetor is not only visually appealing but also highly effective.

Under the hood, the Holley 7847 Carburetor is equipped with a 500 cfm vacuum secondary system. This system provides excellent metering capabilities and helps ensure optimal fuel delivery for consistent engine performance. The secondary system is controlled by a vacuum-operated diaphragm, which responds quickly and accurately to changes in engine vacuum.

The carburetor also includes a Holley S-jet primary system. This system utilizes a small, high-velocity jet to provide excellent atomization and combustion efficiency. The primary jet is adjustable, allowing you to fine-tune the carburetor for your specific engine and driving conditions.

Other notable features of the Holley 7847 Carburetor include a built-in fuel pressure regulator, which maintains a consistent fuel pressure and helps prevent fuel starvation. The carburetor also comes with a Holley 0-80 vacuum secondaries kit, which allows for easy tuning and customization.

Installation of the Holley 7847 Carburetor is straightforward and can typically be completed in a few hours with basic hand tools. The carburetor comes with detailed instructions, and Holley offers a wide range of resources and support to help ensure a successful installation.

In summary, the Holley 7847 1-barrel Carburetor is a high-performance, easy-to-install solution for your 1977 Mopar 225 Slant Six Dodge engine. With its classic design, modern performance features, and ease of installation, this carburetor is an excellent choice for any enthusiast looking to enhance the performance of their vintage vehicle.

The Holley 7847 1945 1-barrel carburetor is a popular choice for restoring or upgrading a 1977 Mopar 225 Slant Six Dodge engine. Here are some pros and cons to help you make an informed decision:

1. Holley carburetors are known for their high-performance capabilities and reliability.

2. This specific model is designed to fit and replace the original 1-barrel carburetor on a 1977 Mopar 225 Slant Six Dodge.

3. Holley carburetors offer easy-to-use adjustments for idle mixture, main jets, and other critical settings.

4. Holley's vacuum secondary system can improve low-end torque and mid-range power.

5. The carburetor comes with a one-year limited warranty.

1. Holley carburetors can be more expensive than stock or aftermarket alternatives.

2. Installing the carburetor may require some mechanical skill and knowledge.

3. Holley carburetors require more frequent tuning and maintenance than some other options.

4. Some users have reported issues with the vacuum secondary system not functioning properly.

The Holley 7847 1945 1-barrel carburetor can provide improved performance and reliability for a 1977 Mopar 225 Slant Six Dodge engine. However, it comes with a higher price tag and requires more maintenance than some alternatives. Ultimately, the decision to buy this carburetor depends on your budget, mechanical skills, and desired performance levels.

If you're looking for improved performance and reliability for your 1977 Mopar 225 Slant Six Dodge and have the budget and mechanical skills to install and maintain a high-performance carburetor, the Holley 7847 1945 1-barrel carburetor is a solid choice. However, if you're on a tight budget or prefer a more low-maintenance option, you may want to consider other alternatives such as a rebuilt stock carburetor or a less expensive aftermarket option.

Details:

Core for rebuilding or parts. Please verify part number and pics match your application. Holley 1945 1-barrel carburetor, list number 7847. Carb core appears to be mostly complete.

See pics for condition. Linkage is froze tight from sitting.

part #: 7847 prices

• $40.63-$81.00

specifications carbcoon:

• for makes: Mopar, Dodge
• for years: 1945-1977
• brand: Holley
• mpn: 7847
• type: Chrysler Plymouth

seller carbcoon:

• # reviews: 31852
• city: Sheboygan Falls, Wisconsin
• rating: 100.0%

offer carbcoon:

• availability: In Stock
• started: November 4, 2025
• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1

payments carbcoon:

• credit card: Mastercard
• wallet: Paypal
• other

shipping carbcoon:

• type: Calculated
• cost: $0.00
• transit: 2-6 Days
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard

returns carbcoon:

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

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: For parts or not working

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