hey guys my 91 siR is gona be at my house in 4 days, im doin a full rebuild to it, for turbo. im planing on running like 13boost. im getin new rods, pistons, and getin the head and block squared and milled, now when i give it to the machine shop to square the block and stuff i can tell him i want a exact comp and he will mill my head to give me the comp i want. what is the perfact comp for my JDM siR with 13boost? iv heard 9.5:1 is real good. but wut do u guys think? thanks for the help.
Tyler
Tyler