In the next few weeks I will be parting out an old V-drive that I'm buying for the trailer. It appears to be a home built flatty hull (glass over plywood) that had a SBC, unfortunately the glass has lifted and the wood is rotten, so it's chainsaw fodder.
On a good note, everything but the motor is there, driveline wise. The steering is mostly intact. I can't remember the brand name on the V-drive box, but I think it started with an "H". I will post all the details and pic's when I get it here, before I start disassembling.