GM 3969894 Holley Carburetor 4556 L78 953

( Brand: Gm ), ( Part Type: Carburetor ), ( Ipn: 4556 ), ( Oe/oem Part Number: 3969894 )

Review GM L78 California Holley Carburetor Date 953 fits CHEVELLE NOVA SS 396 1970

The GM 4556 1970 Chevelle Nova 396 L78 Holley 4-barrel carburetor, part number 953, is a high-performance upgrade for your classic Chevelle Nova with the 396 L78 engine. This carburetor is a direct replacement for the original factory-installed carburetor, offering improved engine performance, fuel efficiency, and reliability.

The Holley 3969894 carburetor is a 4-barrel design, featuring four 2-bbl venturi throats that provide an increased airflow to the engine. The primary venturis are sized to deliver optimal air-fuel mixture for the L78 engine, while the secondary venturis provide additional power and performance under wide-open throttle (WOT) conditions. The carburetor also includes a vacuum secondaries system, which allows the secondary throats to open at lower engine RPMs, providing a smooth power band and improved drivability.

The Holley 3969894 carburetor is equipped with a 750 CFM double-pumper fuel pump, which delivers enough fuel to support the L78 engine's power output. The pump is located at the bottom of the carburetor and is driven by the engine's crankshaft. The carburetor also includes an adjustable accelerator pump, which allows you to fine-tune the fuel delivery for optimal performance.

The carburetor features a polished aluminum body with chrome accents, giving it a sleek and stylish appearance. The base plate is also made of aluminum and is designed to bolt directly to the intake manifold. The carburetor includes a fuel bowl with a baffle system, which helps to improve fuel distribution and reduce fuel surge.

The Holley 3969894 carburetor is also easy to tune and adjust, with a number of adjustment screws and levers that allow you to fine-tune the air-fuel mixture and fuel delivery. The carburetor includes a vacuum secondary lever, which allows you to adjust the opening of the secondary throats to match the engine's specifications. The carburetor also includes a primary air gap adjustment screw, which allows you to adjust the air gap between the primary and secondary throats to improve fuel efficiency and reduce emissions.

In conclusion, the GM 4556 1970 Chevelle Nova 396 L78 Holley 4-barrel carburetor, part number 953, is a high-performance upgrade for your classic Chevelle Nova with the 396 L78 engine. The carburetor's 4-barrel design, double-pumper fuel pump, and adjustable air-fuel mixture and fuel delivery systems provide improved engine performance, fuel efficiency, and reliability. The carburetor's polished aluminum body and chrome accents give it a sleek and stylish appearance, while its easy-to-tune adjustment screws and levers make it simple to fine-tune the air-fuel mixture and fuel delivery. With the Holley 3969894 carburetor, you can upgrade your classic Chevelle Nova and take its performance to the next level.

1. Power: The L78 engine is a high-performance option that delivers a lot of power, making this Chevelle Nova a great choice for those who love fast cars.

2. Carburetor: The Holley 3969894 carburetor is a popular choice among car enthusiasts, known for its reliability and performance.

3. Rarity: The combination of a L78 engine and a Holley carburetor is not common in Chevelle Novas, so this car may be a unique find.

1. Cost: The L78 engine and Holley carburetor are high-end options, so this car will likely be more expensive than other Chevelle Novas.

2. Maintenance: The L78 engine and Holley carburetor require regular maintenance to keep running at their best, which can be time-consuming and expensive.

3. Availability of parts: Some parts for this car may be harder to find, which could make repairs and maintenance more difficult.

Buying a 1970 Chevelle Nova with a 396 L78 engine and a Holley 3969894 carburetor is a great choice for car enthusiasts who want a high-performance car with a unique combination of parts. However, it's important to be aware of the higher cost and maintenance requirements that come with these options. If you're willing to invest the time and money, this car could be a great addition to your collection.

If you're interested in buying this car, I recommend doing your research to ensure that you're getting a good deal and that the car has been well-maintained. It's also a good idea to budget for the additional cost of parts and maintenance that will be required. Ultimately, if you're a car enthusiast who values performance and uniqueness, this could be a great car for you.

Details:

Automatic Turbo 400 Transmission application only. NOTE >>> they also used this for SS 454 LS6 Auto NA9 but IMO too early of a date code application. Primary block 6189 and Secondary 6192.

part #: 3969894 prices

• $195.00-$2250.00

specifications carbcoon:

• for models: Ss, 396, Chevelle, Nova
• for years: 1970
• brand: Gm
• part type: Carburetor
• ipn: 4556
• oe/oem part number: 3969894

shipping carbcoon:

• type: Fixed
• service: Flat Rate Freight
• class: Freight
• cost: $30.00

returns carbcoon:

• policy: No Returns

offer carbcoon:

• options: Ship-to-home
• started: July 3, 2024
• best offers: True
• quantity: 1
• availability: In Stock
• sold: 0

general carbcoon:

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

payments carbcoon:

• other
• credit card: American-express
• wallet: Google-pay

seller carbcoon:

• city: Crivitz, Wisconsin
• # reviews: 971
• rating: 99.5%

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