Go for the standard model.<br /><br />The Bigfoot swings a bigger prop slower, which is more efficient for pushing heavy loads at low speeds. At planing speed it would not be as efficient as the standard prop size turning faster.<br /><br />Bigfoots are for pontoons and barges, not intended for "sport" boats.<br /><br />Brunswick greatly overestimated the market for bigfoots and is trying to get rid of them by pushing them in sport boat packages to neophyte boaters. more