Most of the internal combustion piston engines built for vehicles throughout history have pretty familiar core designs. The majority of fuel-burning vehicles sold today orient their pistons in inline ...

Advancements in automobile engine technology have continued to rise exponentially, specifically in the past decade, where efforts have been focused on alternative engine technology. The passenger ...

A rotary engine, often referred to as “Wankel”, owes its name to German inventor Felix Wankel, who first developed the concept. Though he initiated the design, it was the Japanese automaker Mazda that ...

With the foundation of our 383ci Chevy build in place, thanks to the installation of the forged Eagle 3-inch stroked crankshaft, it's time to move onto the rotating assembly. That means it's time to ...

EVERY so often someone tries to design a new internal-combustion engine. Few make it from the laboratory bench to the big bad world. The last serious attempt, Felix Wankel's rotary engine, lingers on ...

A Florida team working with the US Air Force claims that it's built and tested an experimental model of a rotating detonation rocket engine, which uses spinning explosions inside a ring channel to ...

With the engine block for our 455-based stroker mule engine completely machined, Craig Wise of RaceKrafters will now work on the rotating assembly, which includes the crankshaft, connecting rods, ...

An engine with no crankshaft, where the pistons float on air? It’s not a dream; it’s a free piston engine and it might be the next major advance in car tech. When we think of automotive technology of ...

There's more to piston shapes than you might think. Whether it's domed, flat, or dished, all pistons have their fair share of pros and cons when it comes to performance and efficiency. Understand that ...