The customer that owns the above mentioned car got wind that he can make close to 100 more horsepower by just converting his car over to
LS3 Valvetrain components and same boost.
His list of parts was very simple:
Add - GT11 Cam
ADD - ADM Cam install kit
ADD - 3.6 Pulley
ADD - LS3 Conversion kit-R/R Heads,Cam,Dampner Block,Valleycover,Gaskets,Seals,Timing Gear,Mod Oil pump,Lifters,Lifter Trays
ADD - ADM Retune