I Made A See Through 4 Cylinder Engine, ran it on regular fuel and oxy acetylene while filming it with the high-speed camera to see what's going on inside of a 4-cylinder engine while it's running. The 3D Printers I Used Here: Links to where I bought the engine if you're interested: TOYAN FS-L400BGC Engine ➜ More TOYAN Engines & Parts ➜ Warped Official Channel ► Twitter X: ► Facebook: ► Instagram: ► IMDB: ? Carbon 12 Produced By: Carbon 12 Created & Directed By: Matt Mikka