Tony, the boat is handling better now with a stock 1450. The engines' been through about 1/2 galon so far, and it starting to look promising.
http://www.youtube.com/watch?v=irbyYXkkhK0&t=58s
Pipe is set at 7 3/4" running with wildcat 30% heli fuel (its a bit hard getting 60% down here, next...