Now that looks different. Is there a full keel under that hull? Hard to tell in the photos. I had a sea drive on my '86 Grady. It was blown up when I bought the boat. (The previous owner had it rebuilt twice before that!) I kept the sea drive bracket and adapted a 225 Evinrude to it minus the tilt bracket. Wiring and controls were identical. It ran great, but never performed that well. I'm thinking the sea drive bracket added a lot of drag. It was slick the way it completely lifted the motor out of the water for docking, but there is a reason they became obsolete so quickly.
I discussed it with one builder, want to build an open boat, outboard, he said they would cut the keel off , leave just a couple of inches. I have a privateer, it has a small keel (2-3"). 24 feet x 9' just a little small, want 26'-27'x10' outboard , hard size to find with shallow deadrise, deep V not a stable platform. I'd like to find someone with some idea of how DE would react with no keel, I don't want to waste my money thanks
Eastern is making a new 27' with outboards. It's 2' wider than their old 27 (10.5 vs 8.5'). It's offered with twin 150s. I asked about a single 300, and the guys at Yarmouth Boat Yard said the twins seem to work better.