Dennis,
You know of any other fixes other then covering it, and why some get it and some don't? Also why does it look black rather then blending in w/the aluminum? Hell I could live w/it if it wasn't so obvious. 

Ride Safe,
Fired00d

sorry man, i dont know of any fix. but, i was jacking with the local HD service manager and telling him they would correct the problem before warranty expired. i had a ball . told him it was unaccepatable and it had to be fixed---- man, i got him ticked off and he told me to complain to MOCO!
when you seperate engine from trans, there is nothing there, just an air space. i once thought moisture would get in there and cook back out from heat, but cant prove that theory. the ones i have seperated were perfectly dry inside======all this rambling to say that i dont know.