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Originally Posted by sunsetcreeper i have a oil question. I,ve had this car for about 6 years and i,ve always used synthetic oil. now its been siting for about 6 months now can i change back to using regular motor oil . or will it hurt my engine. |
It won't hurt the engine. The reason people say you should stick with a particular oil is each oil has different additives and detergents. You may start your engine to leaking if you switch. A new oil's detergents may clean your varnishes and build up a little too good.
changing the oil 
