On mine yes....but only upon start up and only after having sat overnight. A slight 'puff' of smoke then gone very quickly.
Oil will seep past the Valve Stem Seals overnight and IF enough.... will produce a small puff of smoke at start up. During driving however, no. No smoke, it was just...
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Agreed. Valve Stem Seals and external leaks will account for most of the oil usage we see.
These engines DO circulate a lot of oil. I have an Oil Separator on mine but it doesn't catch enough in the vapor to be of much concern. A few ounces every 500 miles or so.
Prior to installing...