3874898 Carburetor Holley 3139-1 502

( Part Type: Carburetor )

Review Carburetor 502 3139 Holley fits CHEVELLE IMPALA 427 396 4SPD 1966

The Holley 502 Carburetor, model number 3139-1, is a high-performance fuel delivery system designed specifically for 1966 Chevrolet Chevelle and Impala vehicles equipped with a 4-speed manual transmission, 427 cubic inch V8 engine, and 396-inch block. This carburetor is an excellent upgrade for those seeking improved engine performance, better fuel efficiency, and a smoother driving experience.

The Holley 502 Carburetor features a unique double-pumper design, which provides increased airflow and improved fuel delivery to the engine. The primary and secondary fuel circuits work together to create a more efficient fuel-air mix, resulting in more power and better throttle response. This carburetor also includes a adjustable accelerator pump, which allows for fine-tuning of the fuel-air mixture under acceleration, ensuring seamless power transitions.

The 502 Carburetor is constructed from high-quality materials, including a cast aluminum base and a billet aluminum top, for durability and corrosion resistance. The carburetor's high-flow airhorn features a large-bore main venturi, which increases airflow and allows for easier tuning. The carburetor also includes a vacuum secondary, which allows for improved low-end torque and improved fuel economy.

The Holley 502 Carburetor is easy to install, with clear and detailed installation instructions included with the purchase. The carburetor is also compatible with a wide variety of intake manifolds, making it a versatile upgrade option for many Chevrolet Chevelle and Impala models.

In summary, the Holley 502 Carburetor, model number 3139-1, is a high-performance fuel delivery system that provides improved engine performance, better fuel efficiency, and a smoother driving experience for 1966 Chevrolet Chevelle and Impala vehicles equipped with a 4-speed manual transmission, 427 cubic inch V8 engine, and 396-inch block. With its unique double-pumper design, adjustable accelerator pump, and high-flow airhorn, this carburetor is a must-have upgrade for any performance-minded Chevrolet enthusiast.

1. Compatibility: This carburetor is specifically designed for a 427 396 engine, making it a direct fit for your vehicle.

2. Performance: The Holley carburetor is known for its excellent fuel delivery, which can improve engine performance and power output.

3. Adjustability: The carburetor has numerous adjustment points, allowing you to fine-tune the air-fuel mixture for optimal performance.

4. Reputation: Holley is a well-respected brand in the automotive world, and this carburetor is backed by their reputation for quality and reliability.

1. Price: Holley carburetors are typically more expensive than other brands, which may be a concern for some buyers.

2. Complexity: Holley carburetors can be complex to set up and tune, especially for those who are not experienced with carburetors.

3. Maintenance: Carburetors require regular maintenance to ensure proper function, which can be time-consuming and may require specialized tools.

Conclusion: If you're looking for a high-performance carburetor for your 1966 Chevelle/Impala 4-speed with a 427 396 engine, the Holley 502 3139-1 is a solid option. Its compatibility, performance, and adjustability make it a great choice for those who want the best for their classic muscle car. However, be prepared for the potential higher cost and complexity, as well as the ongoing maintenance required to keep the carburetor running at its best.

Recommendation: If you're unsure about installing and tuning a Holley carburetor, consider hiring a professional to do the job for you. This will ensure that the carburetor is set up correctly and optimized for your specific engine and driving style. Additionally, make sure to follow the manufacturer's maintenance schedule to keep the carburetor running smoothly and efficiently.

Details:

In nice used condition. Fits 66 Chevelle 396 and 66 Impala correct metering plate stamped all parts move freely has always been stored inside.

Sold as is a good rebuild able carb. Us shipping only to lower 48 states. Will probably need a kit as it sat for a while.

Basically the same as a 3139 carb I also have a 66 Chevelle matching 396 air cleaner listed 25 shipping in lower 48 states in USA only. Looks like it missing the fast idle cam for choke.

part #: 3874898 prices

• $63.15-$500.00

Offer:

• # Sold: 0
• Started: August 10, 2014, 2:36 pm
• quantity: 1
• best offer: false
• # bids: 0

General:

• condition: Used
• in stock: Yes
• Motors > Parts & Accessories > Vintage Car & Truck Parts > Other Parts

Ratings:

1. Excellent Seller! Super Fast Shipping! Great Prices! 08-06-14
2. Good part and good service 08-09-14
3. excellent item, thanks so much AAAAA 08-07-14
4. Immediate Payment and Contact. Highly Recommend This Buyer 08-05-14
5. Very nice contact, fast shipping a+++ greatings from Germany 08-05-14

Returns:

• policy: no returns

Payments:

• PayPal

Shipping:

• handling: 2 days
• cost: $25.0
• type: Flat

Seller:

• city: Sioux Falls, South Dakota
• zipcode: 57106

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