I have been checking out ebay and looking for upgrades for my old style T-Maxx and I came across this engine and was curious if it would really make a differance in my truck wich has a rebuilt .15 motor here is a link to one i came across please let me know what you guys think I'm a newbie who is learning 
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=44028&item=5948134072&rd=1
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=44028&item=5948134072&rd=1