Each power option also has different requirements for water flowing off the hull to feed the props. If you were to see all three iterations of the 430 SE out of the water, side-by-side, you would need a keen eye to be able to see the subtle differences. Suffice to say that, just like the cockpit mold, by using mold inserts, or "modular tooling," SeaVee ensures the wheels get the water they need at all speeds, regardless of power. I haven't run the other versions of the 430 SE yet, but I did run a pair of SeaVee 390s, one powered with IPS and the other with outboards, and both boats ran fine. So SeaVee has proved to me that they know how to do this.