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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 04-20-2013 01:28 PM

Quote:

Originally Posted by brucelidat (Post 2276320)
I noticed that this kit doesn't have injectors listed in the parts like their other turbo kits do. Does this kit not cone with injectors?

Only the tuner kits don't come with fuel inj.

NitrousZ34 04-20-2013 01:48 PM

I have a couple questions. I was reading up to page maybe 15 and it said you can change the 16,18,20g turbos to the GTM Garret turbos that come in the stage 1-4 kits? They bolt right up and everything?
Would you be able to change the dual intercoolers to your large, single one that you offer for the Garret TT kits?
How much power on a completely built motor will this kit be able to put out? Are we talking 700RWHP max?
This might seem kind of ignorant but why would anyone buy the Garret kit if they can just buy this kit and switch out the turbos and save some money over buying the Garrett kit?

Dzel 04-20-2013 01:50 PM

I believe these intercoolers are more efficient.

tower74 04-20-2013 01:53 PM

Quote:

Originally Posted by Dzel (Post 2276347)
I believe these intercoolers are more efficient.

I would have to agree. Instead of each turbo sharing a single inner cooler now each turbo has it's own inner cooler. Plus it also appears to allow more air to flow into the radiator due to the gap in between the two. Just a guess but seems right.:tiphat:

SS_Firehawk 04-20-2013 02:10 PM

Quote:

Originally Posted by tower74 (Post 2276352)
I would have to agree. Instead of each turbo sharing a single inner cooler now each turbo has it's own inner cooler. Plus it also appears to allow more air to flow into the radiator due to the gap in between the two. Just a guess but seems right.:tiphat:

The other intercooler is 3.5" thick, 13x24" and rated at 1000 bhp, I believe these are 3", 12x12 x2 and rated at 900hp. To keep the crash bar, they had to use two smaller ones to push these farther in and not get in the way of the radiator support beam (whatever it's called). I think it's a worthwhile sacrifice to keep the crash beam with the two smaller ones than the single large intercooler.

Dzel 04-20-2013 02:13 PM

It also gives you that sleeper look until your turbo spools or the blow off valve goes off. That's when people near by are gonna be like WTF was that! Lol

NitrousZ34 04-20-2013 02:29 PM

I would rather have the larger single IC for what my needs and wants will be in the future. Hopefully GTM can chime in and answer my questions

SS_Firehawk 04-20-2013 02:35 PM

Quote:

Originally Posted by NitrousZ34 (Post 2276401)
I would rather have the larger single IC for what my needs and wants will be in the future. Hopefully GTM can chime in and answer my questions

These intercoolers are rated to meet the demands of the 20g turbos with a built motor. You must have some big plans. If that's the case, why not just get the Garret based kit? Building the motor to support that kind of power really takes the cost difference out of the equation.

tower74 04-20-2013 02:42 PM

Quote:

Originally Posted by NitrousZ34 (Post 2276401)
I would rather have the larger single IC for what my needs and wants will be in the future. Hopefully GTM can chime in and answer my questions

I was thinking the same thing until I got the quote for $34k to get to just 800hp. I decided to take the $20k+ I'm going to save and use it for a down payment on a GTR. Seemed to make more sense to me.:tiphat:

SPOHN 04-20-2013 02:53 PM

I believe these intercoolers are rated for 900hp.

IMO anything over 500-550whp is useless on the street.

NitrousZ34 04-20-2013 02:56 PM

Quote:

Originally Posted by SS_Firehawk (Post 2276410)
These intercoolers are rated to meet the demands of the 20g turbos with a built motor. You must have some big plans. If that's the case, why not just get the Garret based kit? Building the motor to support that kind of power really takes the cost difference out of the equation.

I wouldn't be able to afford the Garret kit right now and if everything can be switched out to the Garret kit, then it makes sense to do so if its cheaper. I could have fun with this kit with a stock block, and when I'm ready to build, go ahead and swap stuff out to make some big power.

Tower how in the hell does it cost $34k to build a motor lol. Please tell me if I'm wrong or something isn't right here... But my friend just built his VQ35HR for about $6k. Carillo rods, Carillo Pistons, Jwt cams, full valvetrain (not sure exactly what brand) ARP bolts, plus other little things and it literally came out to be $6K. The 35HR isn't that much different than the 37vhr. Say a motor build costs around $10k, paired with a $9k turbo kit that can handle 800rwhp... I'm good with that

NitrousZ34 04-20-2013 03:05 PM

My last Z was like a month away from having a 4.2L stroker motor installed. I have high expectations to make some serious power out of this Z now. Thats why I'm asking all these questions to see what the full potential of this kit can be.

Baer383 04-20-2013 03:21 PM

Quote:

Originally Posted by SPOHN (Post 2276428)
I believe these intercoolers are rated for 900hp.

IMO anything over 900-1050 whp is useless on the street.


Fixed!!!:icon23:

Dzel 04-20-2013 03:23 PM

Yes I'm building my car for track use only after I do a little damage to the stock block at 10 psi for a year or so. 700 is my magic number and this can be achieved with GTM's stroker kit some bottom end work and some MOAR boost!

SPOHN 04-20-2013 03:24 PM

Quote:

Originally Posted by NitrousZ34 (Post 2276432)
I wouldn't be able to afford the Garret kit right now and if everything can be switched out to the Garret kit, then it makes sense to do so if its cheaper. I could have fun with this kit with a stock block, and when I'm ready to build, go ahead and swap stuff out to make some big power.

Tower how in the hell does it cost $34k to build a motor lol. Please tell me if I'm wrong or something isn't right here... But my friend just built his VQ35HR for about $6k. Carillo rods, Carillo Pistons, Jwt cams, full valvetrain (not sure exactly what brand) ARP bolts, plus other little things and it literally came out to be $6K. The 35HR isn't that much different than the 37vhr. Say a motor build costs around $10k, paired with a $9k turbo kit that can handle 800rwhp... I'm good with that

I think he was referring to a hole package. Built motor, TT kit itself, and all the goodies that go with making a 800 HP car. Full out return fuel system, built heads, and if he went with a full stand alone ECU. That's easy territory.

Also I like the fact that this MHI kit with 18G turbos on a built motor will put down some serious numbers. I don't think you would have to upgrade to Garret turbos. Maybe just rebuild the ones you have while your there. You'd be more than happy enough.


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