Mates went from two stroke 75 or 90 Merc/Mariners to a 175 Suzuki 4 stroke. It was awesome with it.
If you are looking at transducers, this doc may help. It looks like the Navy trialed 16 different positions. Takes some time to download as it is PDF versions of scanned fiche files. An interesting read if nothing else.
https://apps.dtic.mil/dtic/tr/fulltext/u2/a067206.pdf
nil carborundum illegitimi