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916S14 · 03-21-2008, 11:22 AM

so i read the articles, but still what do you do if you have no idea if you have no idea synthetic or regular oil in your engine? i want to run regular but worried there might be synthetic in there.. can i just flush it out with regular oil by running it for a few minutes than draining it?

03-21-2008, 11:22 AM	#18
916S14 Zilvia Junkie Join Date: Jul 2007 Location: Sacramento Posts: 416 Trader Rating: (0)	so i read the articles, but still what do you do if you have no idea if you have no idea synthetic or regular oil in your engine? i want to run regular but worried there might be synthetic in there.. can i just flush it out with regular oil by running it for a few minutes than draining it?