We sail a Hunter 49 2010 and i had in mind to put a 200' 7/16 G-4 chain with 150' of line is that sound ok? i already have 60' chain with 100' of line which came with the boat, but the chain 3/8 . should i change for 7/16 or stick with 3/8 G-4 ? We are going off-shore.