HOLLEY 3878361-EH Gm 3310-780 780CFM

( Brand: Holley ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Ipn: 3310 780 ), ( Oe/oem Part Number: 3878261 ), ( Country Of Origin: United States )

Review HOLLEY 780 780cfm Gm Number Date

Introducing the Holley 3310 780 CFM GM 3878361-EH EFI Single Plane Carburetor, a high-performance upgrade for your GM engine. This carburetor is a part of Holley's EFI (Electronic Fuel Injection) line, which combines the benefits of traditional carburetion with the precision and consistency of electronic fuel delivery.

The Holley 3310 780 CFM EFI Single Plane Carburetor is a 4150-style design with a large, 780 CFM airflow capacity. This makes it an excellent choice for high-performance applications, such as racing or high-horsepower street engines. The single plane design offers excellent throttle response and a broad powerband, making it ideal for a wide range of driving styles.

One of the key features of this carburetor is its electronic fuel delivery system. The Holley EFI system uses a high-resolution mass airflow sensor to measure the amount of air entering the engine, and then calculates the exact amount of fuel needed based on the engine's specific fuel requirements. This results in precise fuel delivery, improved idle stability, and reduced emissions.

The Holley 3310 780 CFM EFI Single Plane Carburetor is also easy to install and calibrate. It comes with a wiring harness and various sensors and connectors that make the installation process straightforward. The carburetor also includes a built-in fuel pressure regulator, which eliminates the need for an external regulator and simplifies the plumbing requirements.

The carburetor body is made of high-quality aluminum, which is both lightweight and durable. The bowl and floats are made of heavy-duty glass-filled nylon, which is resistant to fuel and chemicals. The carburetor also features a billet aluminum throttle shaft and a brass throttle plate, which provide smooth operation and longevity.

The Holley 3310 780 CFM EFI Single Plane Carburetor is compatible with a wide range of GM engines, including those with electronic fuel injection systems. It is designed to replace the factory carburetor and intake manifold, and can be used with various intake manifolds and throttle bodies. It is also compatible with various ignition systems, including distributorless ignition and coil-on-plug systems.

Overall, the Holley 3310 780 CFM EFI Single Plane Carburetor is an excellent upgrade for any GM engine that requires high-performance fuel delivery. Its large airflow capacity, electronic fuel delivery system, and ease of installation make it a popular choice among enthusiasts and racers. Whether you're looking to boost power, improve throttle response, or simply upgrade your engine, the Holley 3310 780 CFM EFI Single Plane Carburetor is an excellent choice.

The Holley 3310 780 CFM 4-barrel carburetor (GM part number 3878361-EH) is a popular choice among hot rod and muscle car enthusiasts for its high-performance capabilities. Here are some pros and cons to consider before making a purchase:

1. High Air Flow: This carburetor offers an impressive 780 CFM airflow, which is ideal for high-performance applications.

2. Four-Barrel Design: The four-barrel design allows for better fuel distribution and increased power output.

3. Adjustability: The Holley 3310 comes with many adjustability features, including the ability to fine-tune the jetting and idle mixture.

4. Durability: Holley carburetors are known for their durability and are built to withstand the demands of high-performance applications.

5. Wide Compatibility: This carburetor can be used on a wide range of applications, including small-block Chevy, Ford, and Chrysler engines.

1. Complexity: The four-barrel design and adjustability features make this carburetor more complex to install and tune than a single-barrel carburetor.

2. Cost: The Holley 3310 is more expensive than some other carburetors due to its high-performance capabilities and features.

3. Maintenance: A high-performance carburetor like the Holley 3310 requires regular maintenance to ensure optimal performance.

4. Fuel Efficiency: Due to its high-performance capabilities, this carburetor may not be the most fuel-efficient option.

The Holley 3310 780 CFM 4-barrel carburetor offers impressive performance capabilities for hot rod and muscle car enthusiasts. Its high airflow, adjustability features, and durability make it an excellent choice for high-performance applications. However, its complexity, cost, maintenance requirements, and potential impact on fuel efficiency are important considerations. Ultimately, if you're looking for maximum power output and are willing to invest in the installation, tuning, and maintenance of a high-performance carburetor, then the Holley 3310 is a great choice.

If you're looking for a high-performance carburetor and are willing to invest in the installation, tuning, and maintenance, then the Holley 3310 780 CFM 4-barrel carburetor is an excellent choice. However, if you're on a budget or are looking for a more fuel-efficient option, then you may want to consider a single-barrel carburetor or an electronic fuel injection system instead.

Details:

Made in the USA, it features a square bore mounting flange and mechanical choke type. The Holley 3310 780 cfm GM carburetor is a high-quality, 4-barrel designed for vehicles.

part #: 3878361-eh prices

• $220.00-$1000.49

specifications carbcoon:

• brand: Holley
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Square Bore
• ipn: 3310 780
• oe/oem part number: 3878261
• country of origin: United States

seller carbcoon:

• # reviews: 2478
• city: Ocean Isle Beach, North Carolina
• rating: 97.7%

general carbcoon:

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

returns carbcoon:

• policy: No Returns

payments carbcoon:

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• other
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shipping carbcoon:

• class: Standard, Expedited
• transit: 5-12 Days
• service: USPS Ground Advantage, USPS Priority Mail
• cost: $0.00
• type: Calculated
• carrier: USPS

offer carbcoon:

• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: May 15, 2026

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