An experimental study of spray structures from a regular dual-stream (RDS) injector and an air-shrouding dual-stream (ASDS) injector was carried out extensively to understand the spray characteristics ...

"After many years of involvement with the early automobile manufacturers, Harry Weslake founded Weslake and Company in 1934 to act as consultants to the makers of internal combustion engines. Over the ...

Thunder Power's 4-valve cylinder head conversion for big-block Chevys bolts right onto production iron or aftermarket aluminum cylinder blocks. The heads even have the necessary bosses to add an extra ...

The angular momentum of a tumble vortex occurring inside a 4-valve spark ignition engine was measured by particle tracking velocimetry, PTV. A cylindrical glass liner was designed for a single ...

With the recent introduction of the new 5.0L motor from Ford, it seems obvious that the Modular motor program is here to stay. Those diehard enthusiasts of the original 5.0L who are still waiting for ...

Have you ever wondered why you need to add oil to your chainsaw’s fuel supply? Or why some dirt bikes have a higher pitched exhaust note than others? We’ve all been burdened with yard work or been ...

The Cadillac 4.2L Twin-Turbo V-8 LTA engine is a clean-sheet design. It was developed as a small-displacement V-8 with the goal of delivering exceptional power density of 131 hp (98 kW) per liter, for ...

At the height of the muscle car craze, the engineering wizards at Oldsmobile created a "Frankensteinesque" big-block V8 with four valves per cylinder that could've become the most iconic American high ...

In this fascinating video, we journey through the intricate process of building a rotary valve engine from scratch. Watch as we delve into the mechanics and craftsmanship involved, showcasing each ...