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Can synthetic oil be used in a car that has been always using conventional oil?

April 26, 2017car cars conventional maintenance Oil repairs synthetic Transportation Used

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Can synthetic oil be used in a car that has been always using conventional oil?

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theres that big debate between using synthetic but they way i look at it is its been runnin on conventional oil ur not preventing nething else from happeneing that hasnt already happened with crappy oil wats wore down its done mayne

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Sure can, as long as the conventional oil has been changed regularly. I changed my 20 year old Volvo from conventional to synthetic to help control intake deposits. (The Volvo ventilation system uses an air/oil separator so the intake gets large doses of oil mist from the crankcase.) The deposits stopped and there was no oil leakage. I changed my daughter’s 1993 Accord to synthetic at 163K miles – no leakage. I stopped using engine flushes unless they were desperately needed because of the high rate of seal leaks, but I have never had that problem in changing to synthetic. Synthetic oil prevents sludge but can dissolve “soft sludge” in engines that have been neglected, so some people go with a synthetic blend for the first oil change, then synthetic on succeeding changes.