Content Manager and VR

I have Content Manager and VR, After loads of testing in order to get the best FPS I have gone back to a vanilla AC and generally do not run CM as for some reason I can't get to the bottom of I get 45 FPS when running CM (89.5 reported FPS without). .That;s at Spa with online with a full grid. I have removed any shaders and mods and reinstalled AC and CM after deleting the CM folder in My Documents but still have the issue.is anyone else seeing this?

How about some people test with and...

Content Manager and VR