Ah I didn't realize the OP. Yeah man, the ZL1 they took in a car mag took a LOT of mods to run a like a low 11 or something at 130. And then a few months later they ran a GT500 with basic boltons to low 10s at 144. Fastest ZL1 I've seen stock ran a 115 or so.
'08 E90 w/ just boltons
'09 Z4 sDrive35i w/ just boltons