I know this is a vague question, so just humor me haha.
The boat I just bought came with a dead engine (454, Gen VI - light mods, probably 370hp) and a 21p 14-3/4" Viper SS prop.
I yanked the engine and put in a 500hp 454 (bored 468, 10:1, dyno) and had the first run a couple weeks ago with...