[99mostro]

I've seen the guys who made clear cylinder heads on Briggs & Stratton Engines, but never an engine CYLINDER. Pretty awesome to see in slow Motion

 

[Czakky]

That is awesome. Thanks for sharing

 

[Monster4Lee]

The slow mo is cool.
The not slow is so fast you can't see what is going on.
And I'll guess it was just idling and a couple small blips.