This is huge! Ever wanted to see what is it like to see what is happening in the engine while it is working? Well, that is not exactly possible because without compression nothing really works, so no one can peek in. That until you see this. Guys from Finland mounted a thick plastic cylinder head and watch what happens inside the engine while it combusts all it needs to combust. It is astonishing.
That was really over the top. What do you think of this next video?