First off thew original person who posted this thread - has his facts wrong. The car that did the 111MPh had a 2turn brushless motor in it. The TC3 that did 96MPh is what had the 12 turn brushed motor. Here is a link to the article with the full story of what what used and gear ratios and every other detail.
http://www.rccaraction.com/rc/articles/need_speed.asp