[clayfoushee]

You didn't say what year Z06. Numerous bone stock 06 Z06s are routinely running 11.4's to 11.8's all day long. I've seen an 11.1 and 11.2 with no mods except drag radials. Traction on launch is the limiting factor. 12's are rare.....13's unheard of, except for really bad drivers.