Hmmm...Shaverz ran a 12.4 today still on a GenIIIWell...at least that is what his Facebook says LOL My car is fast on street...ask a few C6 owners...but at the track...it breaks everytime I go...CV Shafts bust open, Diff's shread...I blow off vacuum lines...my cars hates me and I hate it so it's mutual. Best I've ever run is low 13's.