Spec R_GSR

Ok i need some advice from the pros in the field love my LS now I thinking of going LS/vtech Turbo i already acuired an LS stock block which has a Nuformz block guard welded in place now for this set up i have a Professionally Ported and polished b16a Vtech head with a 3 angle valve job and a port matched intake manny i have Type R cams and retainers in this head is there any advice you guys can offer me to guide me in my build i plan to run acl race bearings and arp bolts i was thinking of running a girdle but im not too sure about this just yet not sure if i need it. Question....? With this setup being a stock block what can i expect and how much boost can it handle without going into the danger zone......im planning on running a VAFC2 or an Emange i know they cant compare in no way but im lookin to save some money id probably go with the emange tho... please help in any way u can guys .....Thanks