
( Brand: Holley ), ( Manufacturer Part Number: 20-290BK ), ( Part Type: Mount ), ( UPC: 090127109168 )
The Holley 20-290BK Mid-Mount Carburetor is a high-performance fuel delivery solution designed for hot rods, custom cars, and other applications where a traditional, high-quality carburetor is preferred. This mid-mount configuration provides excellent placement for optimal engine bay aesthetics and balance.
The Holley 20-290BK is a 2-barrel carburetor with a primary venturi bore size of 0.602 inches and a secondary venturi bore size of 0.722 inches. It is suitable for engines with a displacement range of approximately 250 to 350 cubic inches, making it a versatile option for various applications.
This carburetor features Holley's proven design with a dual-feed intake system, which provides consistent fuel delivery to each barrel for optimal engine performance. The secondary barrel is designed to provide enrichment and idle mixture, ensuring stable idling and smooth transition during load changes.
The 20-290BK comes with a 650 CFM air horn, which provides ample fuel flow for most applications. It includes Holley's advanced vacuum secondaries, which provide excellent power and torque throughout the RPM range. The vacuum secondary system utilizes a progressive linkage that maintains proper vacuum secondaries operation under varying engine vacuum conditions.
This carburetor is constructed from high-quality materials, including a billet aluminum base and a cast aluminum body, for durability and long-lasting performance. It also includes a heavy-duty float bowl gasket, stainless steel fuel inlet and outlet, and a chrome-moly pushrod and linkage for added strength.
The Holley 20-290BK Mid-Mount Carburetor is also easy to install and tune, with accessible adjustments for idle mixture, main jet, power valve, and secondary enrichment circuit. It is compatible with most fuel systems and can be adapted to various fuel sources, including gasoline and E85.
Overall, the Holley 20-290BK Mid-Mount Carburetor is a high-performance, versatile, and easy-to-tune fuel delivery solution that delivers consistent power and torque across the RPM range. With its proven design, high-quality materials, and easy installation, it is an excellent choice for hot rods, custom cars, and other applications where a traditional carburetor is preferred.
The Holley 20-290BK Mid-Mount carburetor is a popular choice among automotive enthusiasts for its performance and versatility. Here are some pros and cons to help you make an informed decision about purchasing this carburetor.
Pros:1. High Performance: The Holley 20-290BK is known for its high-performance capabilities. It offers excellent fuel mixture control, which results in improved engine performance and power.
2. Flexibility: This carburetor is suitable for various applications, including street rods, muscle cars, and race cars. It can accommodate different engine sizes and configurations.
3. Easy Installation: The Holley 290BK Mid-Mount carburetor is relatively easy to install. It comes with a detailed instruction manual and all necessary hardware.
4. Customizable: Holley offers various options to customize the 290BK, including different air cleaner designs, fuel bowls, and base plates.
5. Durable: The carburetor is built to last. It has a heavy-duty cast-aluminum base and a robust design that can withstand the rigors of high-performance driving.
Cons:1. Complexity: Compared to a standard carburetor, the Holley 290BK Mid-Mount is more complex. It requires more time and effort to tune it for optimal performance.
2. Cost: The Holley 290BK Mid-Mount carburetor is more expensive than a standard carburetor. The cost of purchasing and tuning it can add up.
3. Maintenance: The carburetor requires regular maintenance to ensure optimal performance. This includes checking and adjusting the float levels, syncing the vacuum secondary circuits, and cleaning the air filter.
In conclusion, the Holley 20-290BK Mid-Mount carburetor is an excellent choice for those seeking high-performance and versatility in their automotive applications. Its ease of installation, durability, and customizability make it a popular choice among enthusiasts. However, its complexity, cost, and maintenance requirements are important considerations that should be taken into account. Ultimately, the decision to purchase the Holley 290BK Mid-Mount carburetor depends on your specific needs, budget, and level of expertise. If you are willing to invest the time and resources to tune it for optimal performance, then this carburetor could be an excellent addition to your project. If not, a standard carburetor might be a more suitable option.
The innovative Holley premium alternator incorporates 6-phase and square wire technology. When we say complete, mean complete. The design offers superb engine visibility to show off your horsepower, not accessories. Easy assembly was a priority during the entire development of this accessory solution.
The compact and reliable SD7 A/C compressor Type II P/S pump with baffled reservoir are also integrated. At the heart of system is a bracket less design patent pending, where accessories bolt directly to timing cover for clean, integrated. Even heater hose adapters, power steering to 6 AN hardliner, and the alternator plug/harness are included. Holley's complete, mid-mount accessory system has all accessories pulled in tighter than other drives.
Buyer pays return shipping. Among the many swap friendly features are two optional heater connection configurations. All accessories are included; the water pump, A/C compressor, Alternator, P/S pump with reservoir, and crank damper. All pulleys and the belt are supplied.
20-290BK Holley Black Mid-Mount Complete Accessory System: Gen III Hem Engine - Non VVT Fits 2003 2008 5.7L 2005 2010 6.1L Engines Black Finish Factory Damper. The kit utilizes Holley's proven cartridge water pump.