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2G My "new to me" 1997 GST! Could I get some questions answered?

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Echosyp

Proven Member
130
47
Oct 31, 2019
Clanton, Alabama
So I just got back home, drove up 5 1/2 hours today and picked up my 1997 GST, original paint, interior near perfect, ugly silver spray painted rims, all lights on inside worked, body in perfect condition, other than paint faded in some spots. Said it had a shitty carbon fiber hood when he got it so he got a deep hunter green hood and put on it, he also said the front bumper was hacked to crap and back, so he got the same hunter green front bumper and put it on the car THEN spray painted the bumper black, so I have to clean the headlights and buff the bumper, because you can tell where the pain ran in a few places. Also the window tint looks like someone done it in an alley way for $2, i could barely see out the passenger window it was so bad, so I'm ripping all the window tint off tomorrow.

Other than that tho, the car looks amazing and ran great on the way home with only 2 issues.

Car has installed

  • Evo 3 Turbo
  • Mishimoto Intercooler
  • Greddy Type S BOV
  • Forced Performance DSM Race Manifold
  • Brian Crower Stage 2 Cams
  • Megan Racing Cat-Back System
  • HBC Manual Boost Controller
  • AEM Boost Gauge
  • AEM Air/Fuel Gauge
  • KYB AGX Struts
  • Eibach Springs
  • Goodridge Brake Lines

BELOW IS WHERE THINGS GET WEIRD!

The MAP sensor has a rubber hose on it and goes down to a T but isnt connected to anything, what should I do with that?

Also the Greddy Type S BOV has no hose hooked up to the top nipple or bottom nipple

The AEM boost guage reads 18 at idle and 24 - 26 revved up, the guy told me the boost gauge wasn't hooked up it was just sitting in the car but when I pulled the gauge out the wire was just disconnected in the back of it, so I just hooked it up and he acted like he had no idea it was hooked up before. But he said the gauge was hooked up wrong if it was reading 18 idle and 24-26 revved up, What are your thoughts about this?

He also told me the HBC controller was turned all the way down to 6 lbs, but it's not turned all the way down it's about half way because I can still turn it both directions, so he lied yet again and had no idea what he was talking about, he claimed on the FB post he had it tuned day before yesterday and it was pushing 347whp at 18 lbs.

He also said the passenger side window motor was burned out, but it isnt, just the window lock was turned on.

But he said car wasn't stolen and gave me the title so yea.

Anyone mind helping me hook this car up right? It made the 5 1/2 hour drive home just fine with 2 issues, so I'm at least happy it'll drive that far with minimum issues, it's going to be my daily driver back and forth to work, but I only live 6 minutes away from work.

PROBLEMS I'VE FOUND SO FAR!

Check Engine light is on, he said when he cleared it the car ran like crap until the check engine light came back on. SRS light is on, BRAKE light is on, he said it has new brakes, but it also has the Goodridge brake lines on it, that could be it.

Also, looks like an O2 sensor between throttle body and the BOV, has a red and brown wire coming out of it, but the wires aren't hooked up to anything.

Wife said it was blowing black smoke out of the exhaust pipe whenever I shifted gears or whenever I stomped on the gas, her windshield and white bumper of her expedition is now blackish.

Slave cylinder is leaking and the clutch stays on the floor most of the time, but he gave me a slave cylinder to put on, I'm gonna do that tomorrow.

Also, not sure how common this is, since I've never owned a turbo car. EVERYTHING under the hood was extremely hot, like even the hood itself was scorching, but the temp of the car stayed normal temp the whole 5 1/2 hours drive home, and I pushed it up to 95+ a few times.

Also found an OBD II adapter under the driver seat, sent him a picture asking him what was it and he said he had no idea. It has no markings on it to tell me what brand, but has a 2 amp fuse on the side with old school phone charger port on one side, with a V shield looking port under it, on top it has a toggle switch, then the other side it has what looks like an HDMI port and then a round metal port with a pin inside the port.
 
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Those 2 wires with the multi pin connectors are probably for the factory cd changer. The single pin one is for the antenna.

Is this car a federal or cali emissions car?

Ah, it does have a 6 DISC cd changer in the trunk of the car, also I have a black antenna wire behind the radio hooked up to the radio, unless someone put a new antenna in it, but that single pin wire is taped to one of the multi pin black wires.

Far as emissions it's not cali, the car came from Kentucky and stayed in Kentucky as far as I could find when looking up the VIN.


Also the AEM boost gauge is hooked up to the right hose as shown in the 2G Vacuum diagram, just unsure exactly how to read it, as it bounces around.

Also, I unhooked the recirc hose and man oh man, that Greddy Type S really blows loud, what's the bad of leaving it unrecirc and just plugging up the port.
 
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