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Ive been smokin the town on decelleration for the last 7 years, ever since I did a valve job and left those scrapers/seals off. Compression is still good.. and the smoking is actually a bit less than it was a couple years ago. I suppose the oil rings could be worn but theyve been that way for around 50K mi. Keith > > What about smoking on a closed throttle coasting down a hill etc. Is this > > generally worn valve guides or rings? > > > Look at the design of the air cooled heads. They valves are in the upper > portion of the valve assembly. For the oil to be sucked in during > deceleration, the valve covers would have to be clear full. Smoking on > deceleration, is usually worn rings. > This is why I only use chrome oil rings in used cylinders. > > > -- > Russ Wolfe ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org