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)

SPOHN 10-03-2013 01:13 PM

Just being funny.

m3chhawk 10-03-2013 01:14 PM

Quote:

Originally Posted by SPOHN (Post 2514932)
Can't be out if you wasn't in.

Can't be in if there is nothing to be in

Chuck33079 10-03-2013 01:14 PM

So does the price go back up if enough people drop out?

tower74 10-03-2013 01:17 PM

Quote:

Originally Posted by SPOHN (Post 2514932)
Can't be out if you wasn't in.

Was #17 on the list....I have the cash on hand but I've heard way to much about the turbo being used on this kit.:ugh2: I'm sure they are good but after the STS kit.....:icon14:

SPOHN 10-03-2013 01:17 PM

Quote:

Originally Posted by Chuck33079 (Post 2514941)
So does the price go back up if enough people drop out?

No. It's all honored. Guys just wait. There's good news at the end. Yes it's long but no one else is putting out yet. I feel this will still be out first.

SPOHN 10-03-2013 01:19 PM

Quote:

Originally Posted by tower74 (Post 2514943)
Was #17 on the list....I have the cash on hand but I've heard way to much about the turbo being used on this kit.:ugh2: I'm sure they are good but after the STS kit.....:icon14:

Used? Clearify please? If you HEARD say who or it's you who responsible for such rumors.

Dzel 10-03-2013 01:23 PM

Listen to him he knows what he's taking about

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Dzel 10-03-2013 01:23 PM

As do I

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m3chhawk 10-03-2013 01:27 PM

Quote:

Originally Posted by SPOHN (Post 2514946)
Used? Clearify please? If you HEARD say who or it's you who responsible for such rumors.

Wrong form of used. Think "implemented" not "previously installed."

tower74 10-03-2013 01:40 PM

Quote:

Originally Posted by SPOHN (Post 2514946)
Used? Clearify please? If you HEARD say who or it's you who responsible for such rumors.

To be honest I'm not going to come on here and bash GTM. I won't do it. But with that being said I'm being told this is the same turbo that was used on a subbie. Not trying to start anything.:tup:

Chuck33079 10-03-2013 01:42 PM

Quote:

Originally Posted by tower74 (Post 2514975)
To be honest I'm not going to come on here and bash GTM. I won't do it. But with that being said I'm being told this is the same turbo that was used on a subbie. Not trying to start anything.:tup:

Unless they've switched to IHI turbos, that can't be the case. Mitsus are common upgrades on Subies. Maybe a slight miscommunication? 16/18/20Gs are fairly common turbos. That's a good part of the reason this kit can hit the price point it does. There's nothing wrong with them, I just prefer ball bearing to journal bearings.

m3chhawk 10-03-2013 01:45 PM

Quote:

Originally Posted by Chuck33079 (Post 2514982)
Unless they've switched to IHI turbos, that can't be the case. Mitsus are common upgrades on Subies. Maybe a slight miscommunication? 16/18/20Gs are fairly common turbos. That's a good part of the reason this kit can hit the price point it does. There's nothing wrong with them, I just prefer ball bearing to journal bearings.

A few Impreza's used MHI's in the mid-2000's

Chuck33079 10-03-2013 01:47 PM

Quote:

Originally Posted by m3chhawk (Post 2514988)
A few Impreza's used MHI's in the mid-2000's

True, I read the comment to mean current Subies. They've been IHI since at least 2002 here.

SPOHN 10-03-2013 01:50 PM

Quote:

Originally Posted by Chuck33079 (Post 2514982)
I just prefer ball bearing to journal bearings.

They both have the ups and downs. Journal bearing hold up better for tracking and are far cheaper to rebuild. Ball bearing definitely spool better in all forms but have a shorter life span(how much, don't know). But most times you have to replace the turbo. From what I read. Not sure about rebuilding. Either way cost is higher.

I still like ball bearings myself. I might be upgrading.

m3chhawk 10-03-2013 01:55 PM

Quote:

Originally Posted by SPOHN (Post 2514996)
Ball bearing definitely spool better in all forms but have a shorter life span(how much, don't know).

What are you basing this reliability on?

Ball bearing turbos require less oil flow, lower chance of seal leakage, better shaft damping, no thrust bearings, and overall less wear....

SPOHN 10-03-2013 01:59 PM

Quote:

Originally Posted by m3chhawk (Post 2515003)
What are you basing this reliability on?

Ball bearing turbos require less oil flow, lower chance of seal leakage, better shaft damping, no thrust bearings, and overall less wear....

That I can't recall exactly when I read the article way back. So I'm basing it on that. So maybe I'm out of place. The article could of been old to think of it. I'll look for it. You are correct for the upmost. I'll look for it.

EDIT: there's no solid info besides old timers claiming there JB have lasted as long as there motors and being cheaper to rebuild. So BB FTW.

tower74 10-03-2013 02:24 PM

Quote:

Originally Posted by Chuck33079 (Post 2514982)
Unless they've switched to IHI turbos, that can't be the case. Mitsus are common upgrades on Subies. Maybe a slight miscommunication? 16/18/20Gs are fairly common turbos. That's a good part of the reason this kit can hit the price point it does. There's nothing wrong with them, I just prefer ball bearing to journal bearings.

It could of been. Either way I'm just worried about the quality vs price. I'm sure it will be a great kit for the money but I am wanting something more and something unique.:tup:

blackonorange 10-03-2013 02:31 PM

I called gtm. They said they've switched their specialty to rotaries. Y'all can take a hike.

blackonorange 10-03-2013 02:31 PM

Lets start that rumour

m3chhawk 10-03-2013 02:56 PM

Quote:

Originally Posted by SPOHN (Post 2515011)
So BB FTW.

http://www.youtube.com/watch?v=GILji77uwIk

Dzel 10-03-2013 05:13 PM

What was the point off that vid? Did the turbine get stripped some how?

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SPOHN 10-03-2013 06:11 PM

Quote:

Originally Posted by Dzel (Post 2515306)
What was the point off that vid? Did the turbine get stripped some how?

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Thats how well a double ball bearing turbo spools with no airflow. Journal bearing turbos stop spinning seconds after. So that vid shows greatness.

G37sHKS 10-03-2013 06:52 PM

Here how ball bearings work.
http://www.youtube.com/watch?v=RihQOUNsN9c

Now imagine that on turbo but with dual ball bearings instead that comes with GTX:tiphat:

Alstann 10-03-2013 07:05 PM

Ya'll should see experimental air foil bearings - almost zero friction while spinning. :)

G37sHKS 10-03-2013 07:34 PM

You cant beat this.

This Dualboost turbo from Honeywell is the best turbo ever.
Gasoline DualBoost Turbo | Honeywell Turbo Technologies

Double the power, much smaller, better fuel efficiency, double side blades, better spool, torque comes much sooner.. what else you can ask for?

Source: Gasoline DualBoost Turbochargers | Light Vehicle Gasoline Engines | Our Technologies | Honeywell Turbo Technologies

m3chhawk 10-03-2013 07:38 PM

Quote:

Originally Posted by G37sHKS (Post 2515462)
You cant beat this.

This Dualboost turbo from Honeywell is the best turbo ever.
Gasoline DualBoost Turbo | Honeywell Turbo Technologies

Double the power, much smaller, better fuel efficiency, double side blades, better spool, torque comes much sooner.. what else you can ask for?

Source: Gasoline DualBoost Turbochargers | Light Vehicle Gasoline Engines | Our Technologies | Honeywell Turbo Technologies

Dual wheel, axial flow, with variable veins :stirthepot:

Chuck33079 10-03-2013 07:54 PM

Quote:

Originally Posted by m3chhawk (Post 2515466)
Dual wheel, axial flow, with variable veins :stirthepot:

I'd love to see something like that on a Z, but aren't VNT turbos huge? Do we have room for something like that?

m3chhawk 10-03-2013 08:10 PM

Quote:

Originally Posted by Chuck33079 (Post 2515482)
I'd love to see something like that on a Z, but aren't VNT turbos huge? Do we have room for something like that?

Not sure you would see the benefit. From memory, I think they are designed for low-speed, small (2.0L), diesel engines.

Mike@GTM 10-03-2013 08:11 PM

UPDATE: First off, I apologize for the delay in getting the schedule up on the boards. Sam had to have an emergency brain surgery last Thursday. As some of you know, he had broken his leg a little while back. Unfortunately, a blood clot formed in his leg and traveled up to his brain which caused some serious neurological issues. Last week, his condition worsened and he ended up having to take a ride in the ambulance to the ICU. The surgery was a success and thankfully, Sam is alive and on the road to recovery. While he is healing, he is not able to be here 24/7 like he used to, so please bear with us as Sam gets better and back up to 100%.

Now, for some good news: as a reward for bearing with us for as long as many of you have, we are offering the Garrett ball bearing turbos as a no-cost upgrade to those that want some ball bearing goodness. :) Normally, this would be quite a bit more expensive, but we are offering it to those that want to take advantage of it. For comparison purposes, the 16g is comparable to the GT2860RS turbos with a 0.64 A/R turbine housing. The 18g is similar in response to the GT2860RS with the 0.86 A/R turbine housing in terms of response, but the 18g has an advantage in power. That said, the stock engine is realistically only capable of sustaining up to ~630chp for a daily driven application. So, even though the 2860RS turbos with the 0.86 A/R turbine housings are “only” capable of 700chp and the 18g turbos are capable of 800chp, it’s a moot point on a stock engine. Now, if you are going to be running a built engine and want a turbo comparable to the 18g, then Garrett’s GT2871R with the 0.64 A/R turbine housing is the answer. That said, it is a significantly more expensive turbo and we simply cannot offer it as a free upgrade at this price point, but as a $400 upgrade.

We will be posting a schedule as soon as Sam and I have an opportunity to catch up on the expected delivery times from our suppliers.

m3chhawk 10-03-2013 08:19 PM

Well that's ironic (Garrett bb upgrade) given the conversation here today....

Anyway, there are things in life that are far more important than boost. Best of luck to Sam and a speedy recovery.

SPOHN 10-03-2013 08:35 PM

Quote:

Originally Posted by m3chhawk (Post 2515512)
Well that's ironic (Garrett bb upgrade)

:tup: That's why I threw it out there like that. :bowrofl:

I told you guys would be happy. Now this kit will be kicking a$$. Now who has the best bang for the buck?

Mkai0 10-03-2013 08:43 PM

Hope Sam gets well soon.

Nixlimited 10-03-2013 08:50 PM

Pencil me in for the GT2860RS. But what about the GTX2860R?

And please tell Sam to get well soon!

Chuck33079 10-03-2013 09:01 PM

Quote:

Originally Posted by Mike@GTM (Post 2515505)
UPDATE: First off, I apologize for the delay in getting the schedule up on the boards. Sam had to have an emergency brain surgery last Thursday. As some of you know, he had broken his leg a little while back. Unfortunately, a blood clot formed in his leg and traveled up to his brain which caused some serious neurological issues. Last week, his condition worsened and he ended up having to take a ride in the ambulance to the ICU. The surgery was a success and thankfully, Sam is alive and on the road to recovery. While he is healing, he is not able to be here 24/7 like he used to, so please bear with us as Sam gets better and back up to 100%.

Wow. That's pretty damn scary. Glad he pulled through. That's something that can end you in a hurry. Pass along all of our best wishes.

SS_Firehawk 10-03-2013 09:09 PM

Best of luck on Sam's recovery. It's terrible hearing more bad news since picking up mine a couple weeks ago. But what a great offer for these guys. That's fantastic! Who doesn't like free turbo upgrades?

Chuck33079 10-03-2013 09:10 PM

Quote:

Originally Posted by SS_Firehawk (Post 2515547)
Best of luck on Sam's recovery. It's terrible hearing more bad news since picking up mine a couple weeks ago. But what a great offer for these guys. That's fantastic! Who doesn't like free turbo upgrades?

That's a great deal for the guys in the group buy. Good job taking care of the customers.

SPOHN 10-03-2013 09:11 PM

Quote:

Originally Posted by Chuck33079 (Post 2515543)
Wow. That's pretty damn scary. Glad he pulled through. That's something that can end you in a hurry. Pass along all of our best wishes.

It's crazy wild for sure. After talking to Sam a few days ago you can tell in his voice it's a life changing experience. Sam is a great guy and is very passionate about what he does. He will talk cars all day if not to busy. Sam and GTM as a hole are some true innovators for our cars. Not to mention Sam couldn't do it without is team.


So tower74 what's the here say on the Garrett turbo being ''used" or ''used on another subbie"? :icon14:

Infidel 10-03-2013 09:44 PM

Being the turbo-tard that I am :hello:....I will apologize in advance of this question.

I have a plain jane stock engine with tp's and exhaust. I had on order the 18g kit, so now going with the Garrett BB turbos I should get the GT2860RS with the 0.86 A/R turbine housing ??? :confused:

SPOHN 10-03-2013 09:53 PM

Quote:

Originally Posted by Infidel (Post 2515575)
Being the turbo-tard that I am :hello:....I will apologize in advance of this question.

I have a plain jane stock engine with tp's and exhaust. I had on order the 18g kit, so now going with the Garrett BB turbos I should get the GT2860RS with the 0.86 A/R turbine housing ??? :confused:

yes

Dzel 10-03-2013 09:59 PM

Quote:

Originally Posted by m3chhawk (Post 2515512)
Well that's ironic (Garrett bb upgrade) given the conversation here today....

Anyway, there are things in life that are far more important than boost. Best of luck to Sam and a speedy recovery.

This decision had been made way before we had our little talk today. Either way your out.

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