What is exactly happening to the engine while you are breaking-in a new car?

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What is exactly happening to the engine while you are breaking-in a new car?

In: Engineering

6 Answers

Anonymous 0 Comments

Proper seating of piston rings, heat cycle/thermal expansion of the metal components.

You want to heat the metal up so it expands to its full extent within the cylinder chamber and works right without scraping the piston rings and causing breakage. It basically just makes everything smooth in action.

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