We all know why your engine needs oil and how important;
It is to change the oil in your car,
But what happens when there’s no oil in it at all?
An internal combustion engine will run without oil for a little while,
But then it’ll quickly destroy itself,
Often spectacularly.
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That’s the subject of this new video from Engineering Explained,
Where host Jason Fenske first points a thermal camera at
A cheap single-cylinder engine running with oil,
Then the same engine running without.
Without oil, the engine runs for around 15 minutes without bursting into a cloud of smoke,
But taking it apart reveals some serious damage.
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Lacking proper lubrication, all the metal components in the engine rub against each other,
Causing an incredible amount of premature wear. If the oil-less engine had run for much longer, it very well could have seized.
So, don’t drain your car of oil just to see what happens.
Unless you want to buy a new engine.
Read more: How a diesel engine works
