OK on the optimization.. just wanted to be sure that step was being done.
Yes, of course it is working. It is in wide open mode all the time.... that is cruise mode so is going to pull all the oil fumes out. But you need a PCV that will drop to low-flow mode when the vacuum levels rise when you are at idle or very light throttle openings.
I lucked out and found an old molded plastic PCV that did the trick. Dropped the idle right into the sweet spot. Idle now is right at about 800 rpm and around 700 in drive.
