ORIGINAL: snowbl!nd
Definately sounds as if it is running too rich... Was it all "blubbery", as if the engine was struggling to reach high rpm's?
Also what happens is that it reves at medium to high rpm's but if you let off after that it stalls out. Is seems to also "lag" when you hit the throttle from a slow speed.
http://cgi.ebay.co.uk/Team-Infinity-...QQcmdZViewItem
This engine was reccomended for the fun factors in another post here -
http://www.rcuniverse.com/forum/m_3995290/tm.htm