Sorry for being a bit slow but I thought there was a potential problem if the
RAW water pump on the Stern Drive was just ignored....
Hopefully I can learn this stuff quickly.

Bennie wrote:
I don't know......It is stamped redone on the outside of the stern drive. Is
it OK just to run the Sterndrive without pipes hooked up since the water
route through the Transom goes to a blank off plate? I was worried about
the stern-drive it's self needing cooled.... The boat definitely has a
through hull raw water pickup that flows through the heat exchanger and out
via the exhaust.
Remember I am OK with anything mechanical (engines, gearboxes etc) but I am
unfamiliar with the needs of sterndrives....

Converted to what?

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My assumption is that the pre-Alpha drive has been converted
somehow.....!!!!!