The Evolution trainer engine has proven to be a good performer when used with a conventional prop. I've not heard anything bad about 'em...

Why be a sheep when you can be a pioneer, these engines are advertised as being as good if not better than the competition in regards to power, and they should be, being a new design. If I was in the market for a new engine I'd seriously consider it.

Besides, they look cool and you'll probably make a few new friends when they come over to ask what engine it is and how does it go....

Last time I ordered something from HH they were even quicker than Tower..