Hello 8ballace,
let me ask you what kind of Dovo you are having problems with.
I ask because Dovo sells INOX, or stainless razors and those seem to not like the shapton 16k much,
nor any very high (majorly synthetic) finishing stone.
Do you have a chance of checking the edge under a loupe for microchips,
especially after the shave?
Another way to test the razor for an overly sensetive edge
is to try to accomplish the HHT smoothly after the shave.
Besides, I wouldnīt say "the lower grit hone did better"
I would say "the other finishing hone did better".
Both norton 8k and shapton 16k are finishers after all :)