Quote:
Originally Posted by Hi-Step'n370Z
What do you think is the "cause" of the excessive oil consumption that some of the Z owners are experiencing? All I can think of is rings or valve guides, but those kind of things take lots of miles to cause a problem, and that sort of thing shouldn't effect a brand new engine. What do you think is the cause or causes?
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You're thinking along the correct lines. All of these "problems" are not really problems. They are perfectly normal with a new engine. Piston rings need to "seat" (or break-in), machined surfaces need to "burnish" (or glaze), and other factors lead to excessive oil consumption. BUT, this is normal to new engines. After the normal break-in period, and well beyond that in most cases, this oil consumption issue will not continue.
Again, this is not a problem. Unless there are some other mitigating circumstances causing oil consumption. (Usually covered under warranty.)