If your PCV or is clogged, there is so much pressure that the rings won’t seat correctly. And you’re going to consume a lot of oil. There are many ways to fix this.
Lucas oil stabilizer is an old school additive. 30 years ago it was used in tired loose V8 engines. Lucas is 10x thicker than motor oil, so it could make your problems worse by obstructing flow through the tiny veins in the VVT oil passages. I think your problem is still related to the PCV...
This engine uses a fixed orifice PCV system. Nothing wrong with that. The problem is the location of the orifice. Someone at GM made the assumption that because fixed orifice does not use a mechanical PCV valve, there is nothing to be serviced, just stick it inside the manifold. Well, that...
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