HOLLEY R8742 Carburetor Omni Core 5220 Dodge/plymouth 1.7L

( Brand: Holley ), ( Manufacturer Part Number: R8742 ), ( Non-domestic Product: No ), ( Choke Type: Automatic ), ( Type: Carburetor ), ( Oe/oem Part Number: 5214206 ), ( Vintage Part: Yes )

Review HOLLEY Carburetor Dodge/plymouth Omni 1.7l #r8742 Core Or Parts fits 1979

The Holley R8742 5220 carburetor is a high-performance replacement option for the 1979 Dodge and Plymouth Omni 1.7L models. This carburetor is a 2-barrel Quad Avenger design, which is known for its exceptional power and efficiency.

The R8742 5220 carburetor features a unique vacuum secondary system, which utilizes four small secondary throats instead of the traditional two large throats. This vacuum secondary system allows for a more even fuel distribution and improved idle quality. It also provides a more responsive throttle and a smoother power band, making it an excellent choice for both street and racing applications.

The primary jets of the R8742 5220 carburetor are adjustable, enabling users to fine-tune the mixture for optimal performance. The secondary jets are also adjustable, allowing for even more precise fuel mixture control. The carburetor comes with a Holley 500 CFM vacuum secondary kit, which is specifically designed for this model and provides excellent vacuum secondary operation.

The R8742 5220 carburetor is constructed of high-quality materials, including a billet aluminum base plate and anodized aluminum bodies. The carburetor also includes Holley's famous adjustable idle mixture and power valve, which allows for easy adjustment of the idle mixture and power valve settings.

The Holley R8742 5220 carburetor also includes several performance upgrades, such as a high-performance accelerator pump, a 1-1/16 inch primary bore, and a 3/8 inch secondary bore. These upgrades provide improved fuel delivery and more efficient combustion, resulting in increased power and torque.

The Holley R8742 5220 carburetor is easy to install, with a simple bolt-on design that requires no major modifications to the engine bay. The carburetor also includes a detailed instruction manual, making the installation process as straightforward as possible.

In summary, the Holley R8742 5220 carburetor is a high-performance replacement option for the 1979 Dodge and Plymouth Omni 1.7L models. With its unique vacuum secondary system, adjustable jets, high-quality construction, and performance upgrades, this carburetor delivers exceptional power, efficiency, and reliability. Whether you're looking to improve the performance of your daily driver or take your racing machine to the next level, the Holley R8742 5220 carburetor is an excellent choice.

The Holley R8742 5220 carburetor is a popular choice for those looking to upgrade the fuel delivery system in their 1979 Dodge or Plymouth Omni 1.7L. This carburetor offers several benefits, but it also comes with some drawbacks. Let's explore the pros and cons of buying this Holley carburetor for your Omni.

1. Improved Performance: Holley carburetors are known for their excellent performance. The R8742 5220 model is no exception. It offers improved throttle response, better fuel delivery, and the ability to handle higher performance modifications.

2. Customizable: Holley carburetors are highly customizable. You can adjust the jetting, idle mixture, and air/fuel ratio to suit your specific engine and driving style. This can help you achieve optimal performance and fuel efficiency.

3. Durable: Holley carburetors are built to last. They use high-quality materials and components, which can help reduce the need for frequent repairs or replacements.

4. Wide Compatibility: The R8742 5220 carburetor is compatible with a wide range of engines, including those found in the 1979 Dodge and Plymouth Omni 1.7L.

1. Complexity: Holley carburetors can be more complex to install and tune than stock carburetors. You may need to invest time and resources to get it set up correctly.

2. Cost: Holley carburetors are more expensive than stock carburetors. The R8742 5220 model is no exception. However, the performance and durability benefits may outweigh the initial investment.

3. Fuel Economy: While the R8742 5220 carburetor can help improve performance, it may not be as fuel-efficient as a stock carburetor. This is due to the increased air/fuel mixture required for better performance.

The Holley R8742 5220 carburetor can be a great investment for those looking to improve the performance of their 1979 Dodge or Plymouth Omni 1.7L. Its customizability, durability, and wide compatibility make it a popular choice among car enthusiasts. However, it comes with some complexity and cost considerations. Ultimately, the decision to purchase this carburetor depends on your specific goals and resources. If performance is a priority, then the benefits of the R8742 5220 carburetor may outweigh the drawbacks.

If you're considering purchasing the Holley R8742 5220 carburetor for your 1979 Dodge or Plymouth Omni 1.7L, I would recommend doing your research and preparing for the installation and tuning process. You may also want to consider consulting with a performance specialist or mechanic to help ensure that the carburetor is set up correctly for your specific engine and driving style. Additionally, be prepared for the initial investment and ongoing maintenance costs associated with a high-performance carburetor like this one.

Details:

You are buying on a Holley model 5220 two-barrel carburetor from 1978-79 Dodge Omni / Plymouth Horizon 1.7L four-cylinder, stamped P/N # R8742. Shipping is FREE for USA 48 states ONLY.

part #: r8742 prices

• $27.99-$111.00

specifications carbcoon:

• for makes: Dodge, Plymouth
• for years: 1979
• brand: Holley
• mpn: R8742
• non-domestic product: No
• choke type: Automatic
• type: Carburetor
• oe/oem part number: 5214206
• vintage part: Yes

returns carbcoon:

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

seller carbcoon:

• # reviews: 13228
• city: Rumford, Rhode Island
• rating: 100.0%

general carbcoon:

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

shipping carbcoon:

• cost: $0.00
• class: Economy
• transit: 5-9 Days
• service: Economy
• type: Fixed

offer carbcoon:

• sold: 0
• quantity: 1
• started: June 15, 2025
• availability: In Stock
• options: Ship-to-home

payments carbcoon:

• other
• credit card: Diners-club
• wallet: Paypal

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