Consider This: If you choose to use a transom mount water pick-up, do not disable the drive pick-up. Instead, re-plumb it to be used as a drive shower. Stainless Marine (305-681-7893) sells a thru-transom dump just for this purpose. The more water in and around a Bravo, the better. Stainless would also be able to help you with the transom pick up and sea strainers. They make nice stuff.