Four-cylinder engines are becoming more common due to less emissions and better gas mileage, but that doesn't mean they have ...

[MacGyver] [Lou Wozniak] is on a mission to build an internal combustion engine using only hardware store parts. What you see above is his third attempt at it. Depending on your hardware store ...

The stroke is considerably shorter, and uses energy of the engine's exhaust vacuum to assist in the combustion cycle, also enabling ... arrays of cylinders (2, 4, 5, 6, 8, etc.) ...

We had no idea that what’s needed to convert an internal combustion engine ... The source of the engine doesn’t really matter as long as it’s a 2-cycle motor. This engine had one spark ...