Myway,
Would love to hear more about these mods! I have a 42 on a one off 3D design, and any other motor either doesn't have enough power, or weights too much, and the GP is marginal on power at best. I'm a newb to engine mods, but have messed with them a little, and can use a dremel and diamond bit. How would I fix the carb and compression problems? Really appreciate the help! Here's a link to building a mousse can
http://webpages.charter.net/rcfu/ConstGuide/MCM.html