As everyone knows here in the CEG, I'm cetainly no expert when it comes to hi-po mods
, but let me say something about your TTA. First thing, the boost, its only about 15 psi IIRC, so that needs to go up to between 18-20 psi. To go along with that, your going to need an AFPR to keep the fuel pressure around 45 at idle. Next is your chip, I'm sure theres someone in your neck of the woods or you can go online for that. I had this buy here in Michigan (Bob Baily) do my "dial-a-chip", giving me 5 setttings total, 3 for 93 octane and 2 for 100 racing fuel (unleaded). Next, clean out the intercooler like you said and get the oil bypass so no more oil goes down there. Moving on, lets get ride of that "straw" thats coming out of the turbo and go with an Terry Houston downpipe along with an ATR "pitbull" cat-back. You'll need to turn down the boost a little (assuming you've got the modified wastegate controller) I didn't address your fuel pump because IIRC the TTA already have the good ones, but maybe theres a better one now (its been about 7 years since I've had my 87' GN, so forgive if I'm not up to date on things) What do you think so far
