for spool up, you might be better off getting the garret gt30r turbo with .86 a/r.
full-race manifold will hit steering shaft as ProjectRB240SX stated he said to try a peak boost manifold.
you will need at least 740cc injectors to be efficient in duty cycle.
new oem water and oil pumps are defnitely recommended as the engine has probably been sitting for a while.
tear it all apart and get new pistons, rods, arp rod bolts, arp main cap bolts, arp head bolts, all new main and rod bearings as well. Better safe than sorry.
aeromotive a-1000 would easily handle the power you want to put out.