What does a 300,000 mile oil change look like?

Learn how an oil sample taken during an oil change can tell you the condition of the engine in your car. With my Ford, I was curious about the condition of the engine after 300k miles. Are bearings worn? Is there a coolant leak? Is my oil protecting the engine? Sure you can do a compression test, but that only tell you so much. I could have used my borescope camera, but again, you only get so much info. With this oil analysis, you can learn a lot about the condition of your engine. What does the insid

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