
( Brand: Holley ), ( Manufacturer Part Number: 0-76650BK ), ( Type: Ultra Double Pumper Carburetor ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes ), ( UPC: 090127664643 )
The Holley 0-76650BK Performance Ultra Double Pumper Carburetor is a high-performance fuel delivery system designed for serious hot rodders and race enthusiasts. This carburetor is equipped with Holley's revolutionary Ultra pump technology, which delivers a massive 1,000 CFM flow rate, ensuring optimum power and torque under all conditions.
The Ultra Double Pumper design features two independent fuel pumps one for each circuit that provide increased fuel volume and pressure, making it suitable for large distrbuition systems, high RPM applications, or multiple fuel sources. The pumps are precisely calibrated and internally balanced to deliver excellentidle quality and smooth transition during torque conversion, ensuring smooth and consistent power deliver.
The Holley 0-76650BK Carburetor comes with a high-performance aluminumication hollow-body design that is both lightweight and extremely durable. It also features a removable main external float bowl, allowing for easy access for maintenance and tuning. The bowl is vented to prevent fuel evaporation and to help maintain a consistent fuel level.
The Ultra Series carburetor also includes a number of advanced features to make setup and tuning easier than ever before. These include a remote float bowl leveler, electric choke, and synchro-jet secondary system, which allows fine-tuning of the secondary circuit. The carburetor is also compatible with Holley's electronic fuel injection systems, offering the option of a fuel injection-assisted carburetor setup for improved idle quality and ease of tuning.
The Holley 0-76650BK Performance Ultra Double Pumper Carburetor is built to the highest standards of precision and craftsmanship, and is backed by Holley's industry-leading customer service and technical support. With its massive flow rate, advanced features, and rock-solid construction, this carburetor is the perfect choice for any serious hot rod or race application where ultimate power and performance are required.
The Holley 0-76650BK Performance Ultra Double Pumper Carburetor is a popular choice among automotive enthusiastslooking to enhance the performance of their engines. Like any other purchase, there are advantages and disadvantages to consider before making a decision.
Pros:1. Enhanced Performance: This carburetor offers improved air/fuel mixture by offering better idle quality, smoother throttule response, and increased horsepower.
2. Suitability for Large Engines: The Holley Ultra Double Pumper is well-suited for larger engines, as it can handle a greater fuel requirement due to its two fuel pumps.
3. Adjustability: With up to 75 specific jet combinations and an adjustable power valve, this carburetor offers a wide range of tunability to cater to different engine configurations.
4. High-Quality Construction: Utilizing advanced technologies like UV-stabilized base coat and clear coat, the carburetor is designed to resist fading and discoloration, ensuring longevity and durability.
5. Easy Installation: The Holley Ultra Double Pumper comes with a pre-installed float bowl gasket, making installation easier and more convenient.
Cons:1. Complexity: Due to its advanced features and adjustabilities, the installation and tuning process of the Holley Ultra Double Pumper can be more intricate compared to simpler carburetor models, potentially requiring specialized expertise.
2. Cost: This high-performance carburetor comes with a premium price tag, which may not be suitable for budget-conscious consumers.
3. Fuel Distribution Issues: In some instances, the Holley Ultra Double Pumper may experience fuel distribution issues, which can lead to hard starting, uneven idle, or hesitation.
Conclusion:The Holley 0-76650BK Performance Ultra Double Pumper Carburetor provides several advantages, including enhanced performance, suitability for large engines, adjustability, high-quality construction, and easier installation. However, it also has its drawbacks, such as complexity, cost, and potential fuel distribution issues that might warrant careful consideration before making a purchase. Ultimately, this carburetor is well-suited for experienced enthusiasts looking to extract maximum performance from their engines and are willing to invest time and resources into its installation and tuning process.
Recommendation:If you are a serious automotive enthusiast with experience and expertise in carburetor installation and tuning, who is looking to significantly improve the performance of a larger engine, the Holley 0-76650BK Performance Ultra Double Pumper Carburetor is a worthy investment. On the other hand, if you have a smaller budget, lack the required expertise, or prefer a simpler carburetor setup, then it might be prudent to consider alternative options that better fit your requirements.
Material: Aluminum. Booster Type: Straight. FEATURES: Metering Blocks Base Plate For Good Looks True Gasket Sealing. Usage: Street/Strip.
Fuel Type: Gasoline. Ultra Double Pumper Carburetor; 4 bbl; 650 cfm ; model 4150; Meh. Optimized Street/Strip Calibration That Works Out Of The Box. Arrives Ready To Run.
Manufacturer: Holley, Part Number: 0-76650BK, condition: New: Carburetor. Type: Automotive. Less than a comparable zinc carburetor. Holley carburetors have powered every NASCAR Sprint Cup team and nearly NHRA Pro-Stock champion for four decades.
Secondary; Electric Choke; Gas; Dual Fuel Inlet; Shiny Black Metering Block/Base Plate w/Black Hardware;. Choke: Electric. Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing. Fuel Inlet: Dual.
Factory Preset Electric Choke For Easy Startups. Flange: Square Bore. Finish: Shiny. Emission: Without EGR.
Secondary Type: Mechanical. Supercharged Application: No. SPECIFICATIONS: Barrel: Four. The clean, polished look coupled with Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track.
Clear Fuel Level Sight Glass No Mess Adjustments. Mechanical Secondaries For Awesome Tire Turning Performance. Primary Main Jet: 63. Carburetor Type: 4150.
From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across finish line, Double Pumper is a great choice whether you are burning up street or quarter mile. Holley's products also include performance fuel pumps, intake manifolds engine dress-up for street performance, race and marine applications. Billet Color: Black. Double Pumper carburetors are an American icon when it comes to performance.