08 im in. Ive been running the z32 auto tranny for two years with no issues. I would like to see a class for those of us running the oe driveline. Anyone can throw in a th400 and speed up half sec. And yes that is about the gain.. Eric ran mid 11s all the time . Pow put in a 4700 stall and a th400 boom 10.80s. More power to them and lets see some 8s, but im running the z32 trans, and ill be in the low 10 by march.