Originally Posted by kkspeed
It appears that you are correct.
I moved the metal bracket that the RH Hydralic Mount is bolted to back to the factory location (covered the paint wear marks in the frame) and the vibration is a lot better.
I guess the engine moved after I unbolted the RH Mount with a jack under the oil pan and I didn't move the bracket back to the factory location after I installed the new motor mount.
I'm still going to replace the dog-bone and transmission mounts for piece of mind.
Thank you to all the members for your help!
Good news. Thanks for the update. Thats how we learn if our ideas work.