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Brent (not verified)    July 24, 2024 - 8:24PM

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I've had a number of Toyotas over the past 30 years and several with engines still going strong after 300k miles. I started using full synthetic oil and a high quality filter and reduced oil changes from every 5k to 12-17k miles about 15 years ago. I saw no change in life expectancy. I've never had a Toyota engine with cylinder walls or rings wearing out.

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