What Makes An Engine Better? Big Bore vs Long Stroke Bore and stroke cause differences in both power and efficiency. All ...

The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

We're out for torque, and nothing serves it up like huge cubes and a big arm. Stroking delivers both. Common Chevy 383 and Ford 347 combos have brought strokers to the masses, but there can be more ...

Piston ring end gaps matter more than you think because they manage pressure and heat, preventing catastrophic failures ...

Achates Power of San Diego has developed a two-stroke truck diesel that has two crankshafts linked to two opposed pistons facing each other in a common cylinder. The biggest advantage of this design ...

The increasing number of stroker crankshafts available is giving builders more options when planning a street-performance or race engine combination. The benefits of a stroker crankshaft, however, ...