i have a gentleman interested in buying my boat ,he blew his 130c motor and has the same 270 outdrive but am not sure if he wants to yse his parts on my engine or just replace the whole engine and run mine.he has a 73 bayline aq 130c with 270 outdrive ,i have the aq 125b with 270 outdrive are they compatible for him to bolt my engine up to his 270 outdrive?