Yesterday I was at the lake doing some testing and trying to find an electrical problem when I noticed that it seems to run fine with one switchbox disconnected. That killed all spark on that bank and the pyro on that side went down and rested on the bottom of the scale.
It actually planed out fairly decently on 3 cylinders, I would say better than the average family boat, and it maxed out at 68 mph. I'm pretty sure I could beat Roman 1 on a single bank.