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I'm going forced induction! I've got a 2012 Nismo PW with about 48k miles on it right now. Its my second Z that I've bought off the forums. This particular

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Old 05-21-2016, 06:17 PM   #1 (permalink)
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Default GTM/Gamma Stage 2 NISMO Build Thread

I'm going forced induction! I've got a 2012 Nismo PW with about 48k miles on it right now. Its my second Z that I've bought off the forums. This particular one was previously had a Stillen Supercharger, so I have some mods on it already.

I've been debating going turbo for awhile. I've previously had a turbocharged car, Eclipse GSX. I don't remember the numbers exactly but I believe around 350awhp boosting around 10-12psi I think. I've also considered few different vehicles.
  1. Lexus RCF - Too heavy even with the 500hp V8 powerplant
  2. Nissan GTR - Z looks better imo, interior is blah for 100k car
  3. Porsche Cayman GT4 - Finding this car is a challenge then at MSRP is another
  4. BMW i8 - More interested in the second generation based on rumors and roadster edition

Anyways, I realized boosting my Z will be the best bang for my buck and I will happy with the power (At least for the next year or two. )

What I have
  • GTM Stage 2 Twin Turbo Kit
  • Z1 34 Row Oil Cooler with thermostatic sandwich plate
  • DW 600cc Injectors (Planning on upgrading this later)
  • Stage 2 Clutch (Previous owner said he left the performance clutch in from supercharger install)
  • Uprev License and Cable

What I Need
  • Exhaust Manifolds (This kit came with a cracked manifold)
  • Boost Controller (Picking up a cheap manual until I figure what I wanna do)
  • Boost Gauge

Round 2 of mods
  • Fuel return system
  • Bigger injectors
  • Electronic Boost controller (I love the Greddy OLED Profec, but not sure where I'll put it in the Z that's clean)
  • GTR Intake Manifold (I think there's two vendors that have this. Gamma and someone else. Not sure which one yet)

I'm planning the install for mid June/early July. I still have a few pieces to come in and who knows how long that will take. I'd like to shoot for 500rwhp, but I may need to wait till the second round of mods to get there. Excited about joining forced induction crew.

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Last edited by squid267; 08-13-2016 at 08:38 PM.
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Old 05-21-2016, 06:18 PM   #2 (permalink)
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Images

Just some pictures of my Z





8/11/16 "Prep Day"



Took off
  • Hood
  • Front Bumper


8/12/16 "Day One"





Me and buddy attacked
  • Headlights
  • Fenders
  • Sideskirts
  • Exhaust

We also started removing plugs, clips, and hoses in the engine bay.

I also picked up a Fly1 CF top Amuse wing in New Jersey. Took 5 hours down there with traffic and about 4 back.





8/13/16 "Day Two"



Got a lot done today. We removed the crash bar, driveshaft, steering rack, rotors, calipers, and got the suspension disconnected. We think everything has been disconnected from the engine. I'm intending to drop the subframe and engine on Tuesday. The lift table I ordered a week ago is still in transit.

Day Three and Four 8/13/16 & 8/14/16

Sort of a wash, we got to a point where we could start drop sub frame. My hydraulic lift table wasn't in yet so I had to hold off.

Mocked up the intercooler piping. Finally starting to make sense.



Tried working on this fuel pump switch. Not sure how the hell the filter will fit back in the canister. Going call CJ later and figure it out.

Day Five 8/15/16

Probably went to 4 or 5 automotive stores looking for VHT Red Wrinkle Paint, and various NPT fittings for my oil distribution block. Finally found both. Started sanding and priming the visible intake tubes (right by throttle body)

You need a lot of paint for this to wrinkle.

Day Six "The Drop" 8/16/16

What a shitshow. I got my hydraulic lift table. The bolts that attach the handle to the table sheared right off and it wouldn't pump up. Tried bleeding and adding my fluid as per manual. Still couldn't get it up. Decided to call Harbor Freight to see if they had any in stock. (I should have bought it locally in the first place) Got the 1000 lbs model, but no one around me readily has a truck, so I rented one from Home Depot. Got the table, brought it home, put it together, then returned the truck.

So we go to double check all engine block one more time, and we realize there a **** ton of plugs that needed to be disconnected from the main harness. I don't know how we missed that. We finally get through that I start dropping the subframe and noticed the some wiring off the front got caught. I think its TPS wire but not sure but luckily we caught it before it was strained too much.

We dropped the subframe! Unfortuantely the AC lines were still attached. We unbolted one earlier and rebolted it on for some reason. Can't remember. So those got pinched and kinked. But otherwise its out!





Day Seven 8/17/16

Start unbolting cats, heat shield and exhaust manifolds. I go to bolt passenger side exhaust manifold from GTM/Gamma and it doesn't have the correct hole drilled! I guess version one required to drill and tap engine block and manifold. I said screw that, emailed Amin at Gamma and ordered a new V3 passenger side manifold.
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Last edited by squid267; 08-18-2016 at 08:51 AM.
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Old 05-21-2016, 06:29 PM   #3 (permalink)
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Old 05-22-2016, 09:22 AM   #4 (permalink)
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Default Porsche Killer Build

Is there a reason why u chose the gtm stg 2 tt kit vs aam or fast intentions?


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Old 05-23-2016, 12:19 AM   #5 (permalink)
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You also need lot of go fast suspension bits like coil overs and anti roll bars if you don't have it already. Also better brakes, excellent sticky tyres.
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Old 05-23-2016, 10:00 AM   #6 (permalink)
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Old 05-23-2016, 10:12 AM   #7 (permalink)
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Would definitely do some suspension parts (sway bars etc)

Also for round two you have bigger injectors, do you not have the injectors that came with the GTM kit?
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Old 05-23-2016, 02:34 PM   #8 (permalink)
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Seems like a lot of reports of the old GTM manifolds cracking.
You could probably move to the new GTM/Gamma manifolds / o2 housings. They flow significantly better (according to GTM) and are easier to install (compared to what I saw in the install manual for the older style kits).

One thing to note though... the flange positions from the o2 housings seem a little off to me. I can't confirm this because I also installed cheap ebay test pipes at the same time and my exhaust didn't fit quite right. I don't know for sure if it is the gamma o2 housings or the test pipes (or both) that are causing the issue for me... but I do know that GrooveStyle has Z1 test pipes (and the same Gamma V3 kit) and his exhaust also didn't fit quite right.

edit: I have some old GTM test pipes waiting to go in to see if the fit improves. If not, I will just have a custom exhaust shop cut/modify them to fit properly. Should be a relatively inexpensive job.
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Old 05-23-2016, 02:51 PM   #9 (permalink)
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Not trying to troll you but... why call it a Porsche killer build? Sounds like you are trying to build a dragster to race a car that is in a completely different class. Porsches are known for handling, not speed. Hell, even as a 911 owner, I see those videos of the 1200hp 911 Turbo builds and can't figure out how they are still so damn slow! lol. Go find a Hellcat to beat up on.

Anyhow, good luck with your build and stay safe.
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Old 05-23-2016, 03:07 PM   #10 (permalink)
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Quote:
Originally Posted by Tigger View Post
Not trying to troll you but... why call it a Porsche killer build?
Chiming in with my 2 cents...I always wanted a P car GT3, but entry cost alone is quite prohibitive. So, I always dream of my car out sharp, our corner, out brake , out last a stock 996 GT3. Close enough HP, a fair target to reach with some bolt-on's. But I know, at the end of the day, engine won't sound the same, feel won't be the same, forward visibility won't be the same, etc.

So in some ways, I kinda know where squid is coming from, but I also understand what tigger is saying. it will always be Apple vs Orange, won't ever be the same.

Best of luck with the build
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Old 05-23-2016, 03:11 PM   #11 (permalink)
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Quote:
Originally Posted by Tigger View Post
Not trying to troll you but... why call it a Porsche killer build? Sounds like you are trying to build a dragster to race a car that is in a completely different class. Porsches are known for handling, not speed. Hell, even as a 911 owner, I see those videos of the 1200hp 911 Turbo builds and can't figure out how they are still so damn slow! lol. Go find a Hellcat to beat up on.

Anyhow, good luck with your build and stay safe.
Quote:
Originally Posted by cv129 View Post
Chiming in with my 2 cents...I always wanted a P car GT3, but entry cost alone is quite prohibitive. So, I always dream of my car out sharp, our corner, out brake , out last a stock 996 GT3. Close enough HP, a fair target to reach with some bolt-on's. But I know, at the end of the day, engine won't sound the same, feel won't be the same, forward visibility won't be the same, etc.

So in some ways, I kinda know where squid is coming from, but I also understand what tigger is saying. it will always be Apple vs Orange, won't ever be the same.

Best of luck with the build
Both great points! I hear that the Z is a poor man's Porsche, alot. I was just poking back. Nothing too serious,
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Old 05-23-2016, 03:17 PM   #12 (permalink)
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tyres
YUP!

It is ridiculous how many people spend 10K on a build and are unable to put it to the ground because they cheaped out on tires. Theres a reason why the best tires cost upwards of $500 each.

Its like a girl getting a boob job then wearing sweaters to the bar. If you spend the $10K then put it to good use.
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Old 05-23-2016, 03:22 PM   #13 (permalink)
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^ agree

But hey proper fitting sweaters aren't bad...I know I know, I know what you mean
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Old 05-24-2016, 07:06 PM   #14 (permalink)
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Listen you can get replacement manifolds like I did but it was not easy. Understanding your already vested in gtm you may just want to scrap the kit (meaning sell it for what you can) and going FI. I wish I would have gone that route and I have done this 3 times now on my z.. pm me and I will give you a number for a possible replacement..
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Old 05-25-2016, 10:00 AM   #15 (permalink)
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This manifold issue could be solved with some 20$ flex pipes.
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