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vilant · 10-01-2012

Got a noob question. I have a 90', and when I took the air intake off, I noticed a little bit of oil in the plenum. Is that normal? I know the reason you add an oil catch can is to stop that. But, I don't see a "factory" oil catch can. Why didn't GM put one in. Did they design the engine knowing it was going to suck in some oil and it would just burn off?

10-01-2012	#57
vilant Join Date: Jun 2012 Location: PA Posts: 770	Re: Ready for the oil catch can... Got a noob question. I have a 90', and when I took the air intake off, I noticed a little bit of oil in the plenum. Is that normal? I know the reason you add an oil catch can is to stop that. But, I don't see a "factory" oil catch can. Why didn't GM put one in. Did they design the engine knowing it was going to suck in some oil and it would just burn off?