Here is a vid of a Underground Racing TT Gallardo (Orange) vs. the Heffner TT Gallardo. The UGR has done a 9.9 at 158 and a 10.1 at 161 in the 1/4. The Heffner car is the one that gets the head start, Jason Heffner is the man who first made the TT Gallardo. http://www.youtube.com/watch?v=y6mMQqPdVIw