Quote Originally Posted by Blitanicle99
I don't know which shop you are faithful too, however I know a few of the guys that work at Vengeance Racing. They have multiple 600 hp all Motor Z06s. They are the guys to go for Chevy/LS series stuff. They are building me a 400 hp all motor 5.3 Vortec.
They did 100% of the work and tuning on my Z06.