Thanks max red.
The prop is new but is a different make and model than the old one , the governor was overhauled. Sounds like the governor will need to be calibrated to the new prop which makes sense. I suppose it a matter of verifying I'm getting the correct static rpm then checking for over speed and underspeed when changing pitch up in the cruise . Perhaps the mechanic may have just put the prop and governor on as set and hoped for the best .