Issues to consider:
Is the coaming reinforced properly in the area where you will mount them?
Will the sheets
lead properly to the new location without an additional fairlead block?
Is there clearance for the full swing of the winch
handle in the new location?
If all these check out, then why not make the move? We did so on our previous boat which was an ex race
boat, and the winch
layout was such that there could be a separate gorilla on each winch. Being short of apes on board, we needed the helmsperson to be able to trim all sheets
from his position at the wheel
. It worked just fine for us... might well for you too.