Sounds like a good way to kill yourself on the water. I'm not into boats much and most of the trends from the 70's, 80's, and early 90's should stay there especially the paint schemes.
I've never personally owned on but got a buddy running a 17'10 Sanger with a blown 468 into a 2 speed Powerglide to a Casale box to the Vdrive. Nothing better to hear than a big block bumping the Rev limiter and then shifting into high gear. Wow, badass Runs out on Lake Oroville, Ca