It sounded like an old early 1900s engine running

[madokie]

like you see at the old engine shows
I went in for an echocardiogram on my heart to get a feel for how much blockage there might be and when the machine let us hear what my heart sounded like that was what it sounded to me like.

[Buzz Clik]

1. ..

?t=40s

Fires up at 40 s

[Brother Buzz]

4. That's a butter churn

Eventually enough steam is going to work down past the cylinder into the crankcase and the oil and water is going to emulsify into an ugly mess. Fun!

[backscatter712]

5. Ah, the joys of a blown head gasket.

Antifreeze ends up in the oil, they emulsify together until you have a milkshake that's bad at cooling and bad at lubricating, and completely fucks your engine.

[safeinOhio]

2. They called them Hit or Miss engines

[HooptieWagon]

3. Your heart is just a pump.

In a way, so is an engine.