Nissan 370Z Forum

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-   -   GTM Performance Engineering: MHI Twin Turbo Official Release (http://www.the370z.com/forced-induction/68491-gtm-performance-engineering-mhi-twin-turbo-official-release.html)

Baer383 06-29-2013 08:39 PM

Quote:

Originally Posted by SPOHN (Post 2385681)
I didn't have that issue

I had to do it twice on two different cars,you must have put yours in the trunk.:icon14:

conmam 06-29-2013 09:13 PM

Quote:

Originally Posted by Baer383 (Post 2385679)
Yep after you grind the hell out of the fan shroud.:icon23::icon17:

That is somehow true on a few of the CSF radiators since their MFG dimension specs are not that great.. But to me, that's not too bad comparing to a complete modification in order to fit the GTM unit in.

G37sHKS 06-30-2013 05:03 AM

Quote:

Originally Posted by conmam (Post 2385640)
First, I would like to confirm with a GTM 70mm radiator properly installed, along with using Uprev to reprogram so that the fan turns on sooner ( Maybe at 190F ) with a little more fan duty cycles, along with just a 25 row Setrab oil cooler properly installed, there is NO WAY you will ever get the oil temperature to even close to a limp mode. I have proven it already many times:

Driven at 125F constantly at medium to occasional high rpm for about 6 hours across the San Bernardino county to Vegas , oil temp never exceeded 210F, whereas without the radiator mod , it did get up to 250F ( Even with the oil cooler installed)

Now, if turbocharging the vehicle at 11 psi, it is IMPERATIVE that you must have the cooling system property modified like I did, or else there is a big chance that the Z factory radiator will be insufficient to cool down the additional tremendous heat even with the fan running at all time.... since the darn thing is so crappy cheap with a narrow single row. The alternative for a cheaper cost is to use the CFS radiator, which is a direct fit. While the CFS radiator cooling capacity is not nearly as good as the GTM 70mm radiator, it is still quite a bit better than the factory unit.

These are the links to my GTM radiator installation:


http://www.the370z.com/diy-section-do-yourself/56261-installing-largest-possible-street-racing-radiator-your-370z-part-1-a.html

http://www.the370z.com/diy-section-d...t-2-final.html




WARNING : If you blow the engine in anyway, especially the head gaskets, you will severely overheat the engine does not matter what radiator you have. Just a reminder and I am sure everyone knows this.

Do you have any datalog comparison between CSF and GTM since you're saying that GTM is better?
Its not all about capacity its about the design, aerodynamics, flow, etc etc. but what the hell do i know anyways.

conmam 06-30-2013 12:57 PM

Quote:

Originally Posted by G37sHKS (Post 2385953)
Do you have any datalog comparison between CSF and GTM since you're saying that GTM is better?
Its not all about capacity its about the design, aerodynamics, flow, etc etc. but what the hell do i know anyways.

For normally aspirated applications, it probably does not make too much of a difference. But for SC and TT applications, there will be. Try to run hard at full boost for a period of time and the very obvious difference that you will see is the oil temp ( especially at ambient temp at 90F and over ). The goal is to keep the oil temp as low as possible during severe driving condition in order to avoid premature engine damage. Air flow is not much of an issue with the stock fans. When you have the intercoolers in the front, then it is recommended to use a properly ventilated hood, or better yet, is to replace with higher capacity fans.

Look at the GTR. The factory radiator size is a massive dual core and about as large as the GTM unit, The whole system uses about 12.5 quarts of antifreeze just about like the GTM radiator. Yet, the GTR comes stock with only 5 3/4 quarts of oil capacity. There is an obvious reason why a large radiator is needed. Just to keep the fire breathing VR38DETT oil runs cool enough. Well, TT the VQ37VHR to about 500whp will run no less burning hot than the GTR.

G37Sam 06-30-2013 04:05 PM

True that! Here's what the GTR temps looked like last weekend after a 20 min track session and a cooldown lap :D

http://i451.photobucket.com/albums/q...psdea04372.jpg

Nixlimited 07-01-2013 10:23 AM

Love that display. Why can't someone come out with something similar for the Z? And I know about HKS Camp II, but it's not nearly as refined.

puckshaw 07-01-2013 10:42 AM

Quote:

Originally Posted by Nixlimited (Post 2387203)
Love that display. Why can't someone come out with something similar for the Z? And I know about HKS Camp II, but it's not nearly as refined.

Here's mine. It's dash command running through a pioneer HU. They actually have GTR style skins available too.

http://img.tapatalk.com/d/13/07/01/taza4azu.jpg

http://img.tapatalk.com/d/13/07/01/sanazy6u.jpg

http://img.tapatalk.com/d/13/07/01/y3ujy3ug.jpg

Dzel 07-01-2013 11:03 AM

That's nice!

Sent from my SCH-I605 using Tapatalk 4 Beta

Alstann 07-01-2013 11:08 AM

I run that system in my car as well, it works amazing.

You can also purchase a solenoid to monitor analog inputs, such as boost pressure, oil pressure, etc. Howecer I run the software off of a car computer, so I don't know if it works straight for the non computer versions.

Nixlimited 07-01-2013 11:34 AM

@puckshaw - That's very nice! Is it compatible with factory nav?

Do you have to have some sort of computer running on-board? If so, where did you put that and what OS?

puckshaw 07-01-2013 12:02 PM

Quote:

Originally Posted by Nixlimited (Post 2387318)
@puckshaw - That's very nice! Is it compatible with factory nav?

Do you have to have some sort of computer running on-board? If so, where did you put that and what OS?

It runs the app off my iPhone which is connected to the head unit. The phone stays tucked away in the cubby and I can use the touch screen on the head unit to cycle through parameters. It gets all the data from a kiwi wifi obd2 reader which is linked to the phone. The dash command software is fully customizable. You can design your own gauges and choose the parameters you want. I haven't made my own yet though. It looks fairly time consuming. The free available skins are pretty nice.

Not sure how it would work with factory nav. I imagine you'd lose a lot of controls from the factory unit if you replaced it with the pioneer.

Nixlimited 07-01-2013 01:39 PM

Quote:

Originally Posted by puckshaw (Post 2387366)
It runs the app off my iPhone which is connected to the head unit. The phone stays tucked away in the cubby and I can use the touch screen on the head unit to cycle through parameters. It gets all the data from a kiwi wifi obd2 reader which is linked to the phone. The dash command software is fully customizable. You can design your own gauges and choose the parameters you want. I haven't made my own yet though. It looks fairly time consuming. The free available skins are pretty nice.

Not sure how it would work with factory nav. I imagine you'd lose a lot of controls from the factory unit if you replaced it with the pioneer.

I wonder if I could just use something like an iPod touch with the standard AV inputs. Really like the ability to customize and how it looks.

khanhvu411 07-02-2013 07:16 PM

[QUOTE=puckshaw;2387366]It runs the app off my iPhone which is connected to the head unit. The phone stays tucked away in the cubby and I can use the touch screen on the head unit to cycle through parameters. It gets all the data from a kiwi wifi obd2 reader which is linked to the phone



So you link the kiwi wifi OBD 2 with your phone using direct wifi? What is diffrent between wifi and bluetooth odb2 beside the way they are connect to the phone. Can use my phone tconnect to wiki bluetooth and head unit (for the phone bluetooth phone function) at the same time? Sorry of off topic questions, I just don't want to install gauges on my dashboard.

puckshaw 07-02-2013 11:47 PM

[QUOTE=khanhvu411;2389456]
Quote:

Originally Posted by puckshaw (Post 2387366)
It runs the app off my iPhone which is connected to the head unit. The phone stays tucked away in the cubby and I can use the touch screen on the head unit to cycle through parameters. It gets all the data from a kiwi wifi obd2 reader which is linked to the phone



So you link the kiwi wifi OBD 2 with your phone using direct wifi? What is diffrent between wifi and bluetooth odb2 beside the way they are connect to the phone. Can use my phone tconnect to wiki bluetooth and head unit (for the phone bluetooth phone function) at the same time? Sorry of off topic questions, I just don't want to install gauges on my dashboard.

The iPhone has issues connecting to obd2 over Bluetooth. It can be done through some jailbreak tweaks though. It's just easier to use wifi if you have an iPhone.

blackonorange 07-03-2013 03:22 AM

Yikes boys, I may have to pull out..... Bought a 09 gtr..... When is the deadline in which we have to pay? I haven't decided if I wanna keep the z or not

Nixlimited 07-03-2013 09:13 AM

Quote:

Originally Posted by blackonorange (Post 2389960)
Yikes boys, I may have to pull out..... Bought a 09 gtr..... When is the deadline in which we have to pay? I haven't decided if I wanna keep the z or not

Congrats on the new car! Very different cars, but may be hard to justify keeping both, particularly given the awesome grip and power of the GTR.

Wattles 07-03-2013 09:17 AM

Quote:

Originally Posted by blackonorange (Post 2389960)
Yikes boys, I may have to pull out..... Bought a 09 gtr..... When is the deadline in which we have to pay? I haven't decided if I wanna keep the z or not

Bought a GTR - strong move!
Kinda wish I did the same :)

elperuano 07-03-2013 10:17 AM

Lol

SPOHN 07-03-2013 10:51 AM

I couldn't buy a used GTR. You know they have been beat up on. But they can take it.

blackonorange 07-03-2013 04:28 PM

I can't afford a new one tho :(

khanhvu411 07-03-2013 05:42 PM

I wish I could afford a used Gtr :) . Drooling...

SPOHN 07-03-2013 05:47 PM

I had a friend just buy one. $4200 for the tag

MavRick 07-03-2013 07:18 PM

Quote:

Originally Posted by SPOHN (Post 2390948)
I had a friend just buy one. $4200 for the tag

#AdValorem

Baer383 07-03-2013 07:44 PM

Buy a 13 and pay no more advalorem.:tup:

blackonorange 07-03-2013 11:07 PM

Huh? Tag? Advalorem?

SPOHN 07-03-2013 11:15 PM

AdValorem , tag. All the same thing.

Baer383 07-04-2013 12:56 AM

Quote:

Originally Posted by SPOHN (Post 2391389)
AdValorem , tag. All the same thing.

:icon23: hamburger cheeseburger same thing.:tup:

blackonorange 07-04-2013 04:49 AM

Tag? As in plates/ insurance?

Baer383 07-04-2013 04:51 AM

Quote:

Originally Posted by blackonorange (Post 2391525)
Tag? As in plates/ insurance?

Just the tags.

MavRick 07-04-2013 05:53 AM

Quote:

Originally Posted by blackonorange (Post 2391525)
Tag? As in plates/ insurance?

Ga charges an 'ad valorem' tax for vehicles to travel on their precious roads. it's horseshit. but its the price you pay to see the dogwoods bloom and the gorgeous women...

Baer383 07-04-2013 06:05 AM

Quote:

Originally Posted by MavRick (Post 2391536)
Ga charges an 'ad valorem' tax for vehicles to travel on their precious roads. it's horseshit. but its the price you pay to see the dogwoods bloom and the gorgeous women...

But now they don't charge you if you have a 13 or newer vehicles.

blackonorange 07-04-2013 08:23 AM

Pff up here it's 120 a month for insurance, non of that bs

GrooveStyle 07-05-2013 10:29 PM

Anyone else have the same problem I do, checking this thread every hr or so hoping to hear of a ship date? Ha. All I have left to decide is what gauges to add and I'm good to go. Can't wait!!

BlkNismo 07-05-2013 10:57 PM

Quote:

Originally Posted by GrooveStyle (Post 2393512)
Anyone else have the same problem I do, checking this thread every hr or so hoping to hear of a ship date? Ha. All I have left to decide is what gauges to add and I'm good to go. Can't wait!!

Yup pretty much...think I'll be going with zeitronix zt2 and dash daq custom install in cubb.

370zrider 07-06-2013 03:28 PM

Mike, If I decide changing the radiator for something larger (CSF / mishimoto / GTM),
Are there any fitment issues with the turbokit?

Alstann 07-06-2013 03:56 PM

I was told by Mike that an aftermarket radiator (CSF to be specific) will work fine.

khanhvu411 07-07-2013 12:48 PM

Any update yet?

SPOHN 07-07-2013 03:03 PM

I'd like to hear an exact week.

Dzel 07-07-2013 03:05 PM

Copy that the wife's starting to bitch about paying in full and not hearing any news for a little over a month now

Sent with TapAhoe

puckshaw 07-07-2013 03:28 PM

Yeah I think we're due for at least a status update.


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