As all of you know by now, I have an older (about 1980) 12 ft Alumacraft, either model E, EL or EZ.<br /><br />The EZ is rated at 7.5 HP, but the E at 12 HP (and I can't see any difference between models, really).<br /><br />I have been powering it with a 6 HP Suzuki that gave me 17Kts (GPS)...