Pulled the vernatherm . Wasn't seating correctly. Replaced. Oil temp pre cooler now 190 and post cooler 170. This after climb to 7500 at 80kts. Oil pressure also higher. Looks like problem solved. Thanks for all the replies.
That is what PPrune is for. Glad to see that you are pro-active in your maintenance approach.
I agree with Lumps on his recommendation.