eli5: How do car engines last so long?

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A car engine basically has thousands of mini explosions happening inside of it, is has parts moving very fast and generating tons of heat, and experiences extreme temperature fluctuations on a daily basis. Yet it is the part that usually dies last in a car.

How do they make them last so long and why are we unable to make other parts of the car as long lasting, such as tires and brakes?

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21 Answers

Anonymous 0 Comments

Here’s a mind-blowing fun fact. An internal combustion engine powered car has about 2,000 parts in its drive train. A comparable electric vehicle as about 20 parts.

Let that sink in.

No oil. No valves. No gears. No fuel injectors. No service and maintenance. No revenue to fix things that break by design. EVs are going to radically transform the automotive industry.

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