Go look in the gas engine forum, you don't even need to post a question, just read. At this time the DLE is king. A lot of bang for your buck. So far DLE is staying on the top of the heap the longest. Other cheap gas engines have come and gone in the blink of an eye. I run RCS, Brison and Zenoah but if I needed a new gasser I would walk right up to the DLE counter.