5SFTE project, got a few questions Options

[batcavee00]

hey whats up guys, im in the process of turbo charging my 94 gt. everything is pretty much stock. i just rebuild the whole engine and ported and polished the head. i got all my parts ready, just had a few questions here they are:


i got some rx7 460cc injectors: are these too big, if im just gonna run about 10psi?


i was also looking to buy a water/meth injection kit, will this benefit me if again, im running about 10 psi?


i was also thinking of getting something to control the ignition timing ( MSD BTM), do i really need it " " " " " "?




lastly, is it safe to run more than 10 psi on the stock block with the above components?




any input/ recommendations is greatly appreciated =]


my set-up:
460cc rx7 injectors
26x12x3 FMIC/ 2.75" piping
generic t3t4 turbo, trim .50, a/r .63
SSBOV
AEM wideband 02
stock fuel pump