The first lesson in valvetrain is that it’s all about frequency. The frequency of any system is proportional to the square root of the stiffness divided by the mass. In pushrod engines, frequency is a challenge because the valves and the parts that move them are big and heavy. Drag racers have the option of Read more about Stiffness is King![…]
When it comes to modding your boat or vehicle for increased performance, one of the most popular upgrades is installing a high-performance camshaft. A camshaft controls the opening and closing of the engine’s valves, which in turn affects the amount of air and fuel that enters the combustion chamber. By installing a cam with increased Read more about How Much Cam Duration is Too Much?[…]
Mercury Marine, a global leader in marine propulsion technology, has a storied history of innovation and excellence. Among its impressive lineup of outboard motors, the R-Series stands out as a testament to Mercury Racing’s commitment to performance. In this comprehensive article, we’ll delve into the Mercury Racing R-Series outboard motors such as the 450R and Read more about Untapped Potential: The Mercury Racing R Series Outboards: 450R, 500R[…]
In the realm of high-performance marine engines, the Mercury Marine QC4V stands as a testament to engineering excellence and cutting-edge technology. Developed by the renowned Mercury Racing division, the QC4V engine represents the pinnacle of power, reliability, and innovation in the world of boating. In this article, we’ll embark on a comprehensive exploration of the Read more about A Great Start: the Potential Inside the Mercury Marine QC4V Engine[…]
In the realm of high-performance engines, every component plays a pivotal role in maximizing power output and reliability. Among these components, roller lifters stand as crucial elements in the valve train system, offering enhanced durability, reduced friction, and improved performance. From their construction and design to their impact on engine dynamics, roller lifters have become Read more about Unleashing Performance and Controlling Lash: Roller Lifters for High Performance Engines[…]
The Chevy 454, also known as the Gen IV Big Block, stands as one of the most iconic engines in automotive history. Introduced by General Motors (GM) in the 1970s, this powerhouse of an engine has left an indelible mark on the automotive landscape. With its impressive displacement, robust construction, and legendary performance, the Chevy Read more about Rebuilding the Legendary Chevy 454 Engine: A Brief Guide[…]
The valve train is an essential component of any internal combustion engine, responsible for precisely regulating the flow of air and fuel into the combustion chamber and expelling exhaust gases afterward. Comprising an intricate assembly of components, the valve train ensures proper timing, duration, and lift of the intake and exhaust valves, crucial for optimizing Read more about The Makings of Symphonic Harmony: Valve Train Parts Explained[…]
Calculating valve spring requirements for engines is a critical aspect of engine building, particularly in high-performance and racing applications where precise valvetrain control is essential for maximizing power and reliability. Valve springs play a crucial role in ensuring the proper opening and closing of the intake and exhaust valves, as well as maintaining valve train Read more about How to Choose the Right Valve Springs – Boing Not Boom[…]
In the realm of automotive engineering, precision timing is paramount to achieving optimal performance and efficiency. At the heart of this precision lies the camshaft, a critical component responsible for regulating the opening and closing of the engine’s intake and exhaust valves. Traditionally, camshafts have been driven by timing chains or gears, but in recent Read more about Unlocking Performance: The Advantages of Camshaft Belt Drives[…]
In the dynamic world of automotive and marine performance, where every twist of the throttle and every roar of the engine is a testament to power and precision, camshafts stand as the unsung heroes behind the scenes. These meticulously crafted components dictate the rhythm and flow of air and fuel into the cylinders, orchestrating the Read more about Unveiling the Power Within: Exploring the Marketing Magic of Camshaft Branding[…]
In the adrenaline-fueled world of offshore powerboat racing, where every fraction of a second counts and victory hinges on raw power and precision engineering, camshaft design plays a pivotal role in unlocking the full potential of supercharged engines. These high-performance powerplants, purpose-built to dominate the open seas, demand camshafts meticulously crafted to deliver relentless acceleration, Read more about Maximizing Performance: The Art of Camshaft Design for Supercharged Offshore Powerboat Engines[…]
