Well, I have an update. The clutch is oil soaked. It came from trans. So I did some deep investigating, turns out the new shift tower kit, which includes bushings, boot and cover, has no vent slit in the rubber,
This explains the slipping only at 190* and above.
When it warmed up it would push oil past the input seal. When I lifted the case half off to replace seal the shaft was oily past the seal.
So im going to tap the case for a diff vent so it has no pressure again
SO fyi, check or make a slit in the new ***** on the shift tower.
Ill let you know how I like the phoenix friction clutch.