I think you are mixing up density, dryness and cleft size. The huge 2-7 might be a oversized overdried cleft, not necessarily oversized low density cleft.
Density and dryness can make a bat lighter but not necessarily bigger as point out by Doc in his post.
No, I am not. You can get a low density, big cleft.
Regarding moisture, unless you drill a hole in the bat, you can't get an accurate reading.
This 2-7 is not over-dried; I have seen over-dried bats and how they sounds. There is a world of difference. CA bats meant for Pros are low-density clefts.