Quote Originally Posted by blackshine007 View Post
I'm leaning towards the valve guide seals but do you have any external leaks as well? If so, check your PCV system again. That might be the source of the problem.
Explain your theory on this one please?

His isn't smoking at idle nor low rpms ,nor at first start up. So valve stem seals will continue to leak not only at high rpms ... When he is at high rpms and then it starts to smoke that is when he is at MAX pressure causing blow by from the rings .