Look at the Lund aluminum boats if you're thinking of going that route.
He said April.
To each his own but some of my best trips have been delivering my new to me boats back home after purchase. Unless it's landlocked I'm gathering...
You may want to check with Blaylock Turbochargers in Joplin Missouri.
The Stevens Duryea cars built in the 20's have the same air start system.
Defender also has one that's almost identical to the original.
I would clean the bottom ( everything below the waterline) and run it up to wot again before I started trimming the wheels.
I've been happy with Sea Hawk Cukote. It still looks good after 21 months. I was under the boat last weekend and the only growth was on the shafts...
You'll never wash the gas fumes out. Purge it with an inert gas such as argon or nitrogen.
Sounds like a good shakedown cruise to me if you don't wait until it gets cold up north. Gather up some spare parts and tools and head south....
FWIW I have the same engines in a 46' Post and at 20 knots I'm at Just under 2 gallons per NM with the generator running.
This doesn't have to be purchased from J&T. It's just a solonoid.