vid from inside a 4 cylinder

[Zer0DazE]

“Someone had the great idea of putting a high-pressure, heat-resistant camera inside the cylinder of a four-stroke engine. Shooting at 1000 fps, the camera recorded just exactly what happens to make engines run. Suck, Squeeze, Bang, Blow!”
–taken from the caption underneath the video

4 stroke is not synonymous with 4 cylinder