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HOLLEY L-3659 Power End Carburetor 427/435 3X2 992

fits model: 427, Corvette. make: Chevy. year: 1968-69.

L-3659 Holley 1968-69 Chevy Corvette 427/435 3x2 Tri Power End Carburetor Date 992

( Brand: Holley ), ( Manufacturer Part Number: L-3659 ), ( Choke Type: No Choke ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Oe/oem Part Number: 3902353eu ), ( Country/region Of Manufacture: United States )

Review HOLLEY Chevy 427/435 3x2 Tri Power End Carburetor Date 992 fits CORVETTE 427 1968-69

The Holley L-3659 1968-69 Chevy Corvette 427/435 3x2 Power Pack Carburetor 992 is a high-performance, fuel-injected replacement for the original 1960s-era carburetors found on 1968 and 1969 Chevy Corvette engines with 427 or 435 cubic inch 327 V8 powerplants. This carburetor kit from Holley, a renowned manufacturer of performance automotive fuel systems, is designed to deliver superior engine response, fuel efficiency, and power output.

The L-3659 carburetor kit comes with three 2-barrel Holley Street Avenger carburetors, each featuring a unique design that combines the advantages of a traditional double-pumper design with modern fuel systems technology. Each carburetor is equipped with a Holley 1150 Dominator throttle body, which offers a large, smooth bore for excellent airflow and improved throttle response. The throttle bodies also include Holley's unique "Dominator" design, which utilizes a venturi shape that maximizes fuel atomization and air/fuel mixture distribution for optimal engine performance.

One of the most notable features of the L-3659 carburetor kit is its advanced fuel injection system. Each carburetor is equipped with a Holley Ultra HP electric choke and a Holley HP EFI base plate, which allows for the easy integration of Holley's EFI system. This system utilizes a Holley EFI 1050 fuel pump and a Holley EFI 1041 power distributor, providing precise fuel delivery and easy tuning capabilities via a Holley EFI handheld tune-tool.

The L-3659 carburetor kit also includes a Holley 16-0141 intake manifold, which is designed to provide excellent airflow and even fuel distribution to each carburetor. The intake manifold is constructed from high-strength aluminum, ensuring durability and longevity. Additionally, the kit includes all necessary hardware, including mounting brackets, fuel lines, and vacuum lines.

Installation of the L-3659 carburetor kit is relatively straightforward, with detailed instructions provided by Holley. The kit is designed to be a direct replacement for the original carburetors on 1968 and 1969 Chevy Corvette engines, making it an excellent choice for enthusiasts looking to upgrade their classic Corvette with modern fuel system technology while maintaining its authentic appearance.

Overall, the Holley L-3659 1968-69 Chevy Corvette 427/435 3x2 Power Pack Carburetor 992 is an exceptional choice for those seeking improved engine performance, fuel efficiency, and ease of tuneability in their classic Corvette. With its advanced fuel injection system, high-performance carburetors, and easy installation, this kit is sure to please even the most demanding Corvette enthusiasts.

The Holley L-3659 1968-69 Chevy Corvette 427/435 3x2 Power Pak carburetor is a popular choice among classic Corvette enthusiasts for its ability to provide reliable and efficient performance for high-horsepower engines. Here are some pros and cons of buying this particular carburetor:

Pros:

1. Designed specifically for the 1968-69 Chevy Corvette, ensuring a precise fit and easy installation.

2. Provides excellent fuel delivery and metering capabilities, allowing for optimal engine performance.

3. Comes with Holley's 3-year warranty, providing peace of mind and protection against manufacturing defects.

4. Offers easy-to-adjust features, such as power valves, accelerator pumps, and vacuum secondaries, allowing for fine-tuning of the carburetor to match specific engine configurations.

5. Holley's Power Pak kit includes necessary accessories, such as the fuel bowls, intake manifolds, and other hardware, making for a complete solution.

Cons:

1. The price point of the Holley L-3659 is relatively high compared to other aftermarket carburetors, making it a significant investment for some enthusiasts.

2. The complexity of the carburetor may require a certain level of expertise to properly install and tune, potentially adding to the overall cost and time investment.

3. Some users have reported issues with vacuum leaks, which can affect engine performance and require additional troubleshooting.

Conclusion:

The Holley L-3659 1968-69 Chevy Corvette 427/435 3x2 Power Pak carburetor is a high-performance, reliable, and efficient option for those looking to upgrade their classic Corvette's fuel delivery system. While the investment may be significant, the benefits, such as easy adjustability, precise fitment, and excellent fuel delivery, make it a worthwhile consideration for serious Corvette enthusiasts.

Recommendation:

If you are looking for a high-performance carburetor for your 1968-69 Chevy Corvette and have the necessary expertise and budget, the Holley L-3659 is an excellent choice. Its proven track record, ease of adjustability, and Holley's 3-year warranty make it a reliable and confident investment in your classic Corvette's performance. However, if you are on a tighter budget or have less experience with carburetor installation and tuning, you may want to consider alternative options. Ultimately, the decision comes down to your specific needs, expertise, and budget.

Details:

Comes as pics, let me know if there is an issue. 1968-69 CHEVY CORVETTE 427/435 HOLLEY 3X2 TRI POWER END CARBURETOR DATE 992. I sometimes make mistakes, but i'm not out to cheat anyone, or sell you something you're 100% happy with. A if you follow the golden rule, and treat me as would like to be treated, I will do my best make it right by.

But has been sitting so it may need gaskets/rebuild. Carb moves freely and looks nice for its age.

part #: l3659 price

  • $799.99

specifications carbcoon:

  • for models: 427, Corvette
  • for makes: Chevy
  • for years: 1968-69
  • brand: Holley
  • mpn: L-3659
  • choke type: No Choke
  • type: Carburetor
  • mounting flange type: Square Bore
  • oe/oem part number: 3902353eu
  • country/region of manufacture: United States

general carbcoon:

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

shipping carbcoon:

  • transit: 2-6 Days
  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
  • carrier: FedEx
  • class: Standard
  • cost: $30.00

offer carbcoon:

  • started: October 14, 2025
  • availability: In Stock
  • best offers: True
  • quantity: 1
  • sold: 0
  • options: Ship-to-home

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  • rating: 99.8%
  • # reviews: 4066
  • city: Fair Oaks, California

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  • time: 30 Days
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for models: 427, corvette, for makes: chevy, for years: 1968-69, choke type: no choke, type: carburetor, mounting flange type: square bore, oe/oem part number: 3902353eu, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 8463475687778682,

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1 offer $799.99 USD
  • Offer #1: $799.99 price + $30.00 shipping estimate = $829.99* total. but has been sitting so it may need gaskets/rebuild. Carb moves freely and looks nice for its age.+$30.00 shipping

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