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Originally Posted by mrnickleye
I had learned thru the years, that its not a good idea to start putting synthetic into an engine that has over 50k on it. The seals may start leaking because the syn. will clean things up, and is thinner, and will find its way out.
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mobil 1 also makes oil for cars that have higher mileage on them. thats the mobil 1 oil that i use.