Main Bearing Clearance

Sorry I kind of butted in on this 5 year old thread with my new same issue. I dont know if the original poster still watches it or not. haha But I got this back from the machine shop. As far as they are concerned it is in spec. ( .0005" - .0026")
https://goo.gl/photos/DLqFoqyCN9GW6bK17