i want to know can 3.0l omc mercruiser mounts be used on a 3.8 omc mercruiser engine(that is inline 4 cylinder on a v-6). i want to swap out a 3.0 for a 3.8,the stern drive on my boat is a cobra 400,the 3.8 is in a boat with a cobra 400,so i know that the 3.0 is not matched to the boat i own(not...