hey guys, recently bought an 18' bowlder with an '06 Merc 2stroke elpto. I found a nice low hour E-tec 90 still under warranty i'm considering. The dealer is willing to take my outboard in on trade. He's telling me the E-tec will outperform my Merc even though they're both 90 hp and that fuel economy is night & day. Economy i can understand, but i can't see how would the etec out-perform? They're both 3 cyl 90's..And I've always considered Mercury's among the best performing, given the hp. Lastly how much quieter would the etec be? Are we talking a huge difference or minor difference? thanks!!