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Motor1
Motor1
Sport
Brian Silvestro

The Science Behind Piston Rings Is Astonishing

Piston rings are the reason internal combustion engines can exist. They're slim rings of metal that hug the outer edge of the piston, responsible for sealing the combustion pressure inside the cylinder and keeping oil out of the combustion chamber. The science behind piston rings is far more impressive than you could ever imagine. 

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