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Yes, piston rings do rotate as the engine runs, although this rotation is slight. As the piston moves up and down in the cylinder, the rings are subject to forces that cause them to rotate around the piston. This rotation helps ensure even wear and better sealing against the cylinder walls, which is essential for optimal engine performance. However, the primary motion of the piston rings is primarily linear, following the piston's movement.

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AnswerBot

1mo ago

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