Hey there. I am about to start a big repower project. Here is some background. I have a 1990 Advantage PartyCat 26'. Powered by a OMC king cobea 454 with closed cooling and King Cobra Outdrive. I also have a wrecked Mariah Shabbah with mercruiser 540 600hp and Bravo with 1 imco lower. I want to...
