GTM Performance Engineering: MHI Twin Turbo Official Release

Dzel · 07-09-2013, 11:56 AM

I'm at lunch note but after I'll look into the AEM meth kit and do a little research

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Nixlimited · 07-09-2013, 12:25 PM

I would be careful putting too much faith in meth being a reliable safety blanket for a stock engine. Certainly meth injection will decrease the likelihood of detonation, which is one major source of engine failure. However, even if you do not have any detonation, increasing the power level of a stock block with meth will still start to push you up against the limits of the stock parts. Too much power is too much power quite independently of detonation. I'm not suggesting that meth isn't a good idea, only that meth is no substitute for a built engine if you want to go for big numbers.

SS_Firehawk · 07-09-2013, 12:40 PM

Quote:

Originally Posted by Nixlimited

I would be careful putting too much faith in meth being a reliable safety blanket for a stock engine. Certainly meth injection will decrease the likelihood of detonation, which is one major source of engine failure. However, even if you do not have any detonation, increasing the power level of a stock block with meth will still start to push you up against the limits of the stock parts. Too much power is too much power quite independently of detonation. I'm not suggesting that meth isn't a good idea, only that meth is no substitute for a built engine if you want to go for big numbers.

TrooF

Baer383 · 07-09-2013, 03:10 PM

For the trouble I had to go thru with the install ,tune , cost of Meth it wasn't worth the 30-35 rwhp you get

All you guys with these TT GTM kits will all be able to get over 500 rwhp it's enough anything more your just compensating for a small unit.

Chuck33079 · 07-09-2013, 12:44 PM

Quote:

Originally Posted by Nixlimited

Too much power is too much power quite independently of detonation.

Took the words out of my mouth. And in the past, I've run a 50/50 water/meth mix on another vehicle. It allowed more timing, and another 3 psi of boost. It was a lot of fun, but I was always afraid of the meth kit failing in mid pull. I don't have a lot of faith that the failsafes would work fast enough to save the motor.

Nixlimited · 07-09-2013, 06:34 PM

Quote:

Originally Posted by Chuck33079

Took the words out of my mouth. And in the past, I've run a 50/50 water/meth mix on another vehicle. It allowed more timing, and another 3 psi of boost. It was a lot of fun, but I was always afraid of the meth kit failing in mid pull. I don't have a lot of faith that the failsafes would work fast enough to save the motor.

I have never liked meth for that reason i.e. the worry about it failing at the wrong time. I had a kit on my STi that immediately had issues and after that I was just like, nah. It's too many additional points of failure and it requires a completely new tune since meth is a fuel and jacks with the ratios. I would be more inclined to run straight water injection to manage temps and run a bit leaner on the fuel side.

Dzel · 07-09-2013, 12:41 PM

I completely agree with you but in my case I was thinking of achieving 550 hp max until I can afford to build the internals. Would the longevity of the engine not be extended since your not running so much boost? The stress from the high hp will still be the same so I see what your saying

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SS_Firehawk · 07-09-2013, 12:44 PM

Quote:

Originally Posted by Dzel

I completely agree with you but in my case I was thinking of achieving 550 hp max until I can afford to build the internals. Would the longevity of the engine not be extended since your not running so much boost? The stress from the high hp will still be the same so I see what your saying

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I'd be more worried about the torque, especially when those turbos start spinning, as it's a direct measurement of force applied on a given object, it is what breaks $hit

Dzel · 07-09-2013, 02:40 PM

So if one buys the GTR manifold you will need a nozzle for each cylinder?

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COSMO · 07-09-2013, 05:05 PM

Iam really not looking for more power but only to safe-guard the stock block....

Baer383 · 07-09-2013, 05:13 PM

Quote:

Originally Posted by cosmogirl

Iam really not looking for more power but only to safe-guard the stock block....

If you want safe tell your tuner to dial back on the timing and keep the rwhp to 450-500.

Dzel · 07-09-2013, 05:37 PM

525-550 here but I drive my car maybe 6 times a year. Hopefully the block will hold till I'm ready good internal upgrades

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elperuano · 07-09-2013, 06:07 PM

6 times a year???? That will certainly change when you go boost.

Dzel · 07-09-2013, 06:34 PM

Lol probably will I haven't even gotten my hands on the kit and I already have like 4 boost your shirts. Favorite one is my keep calm and boost on shirt

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Chuck33079 · 07-09-2013, 07:16 PM

I never had a problem, and the power was nice. I just never felt comfortable with it. I don't trust the failsafes to shut it down to waste gate boost in time to save the motor.

07-09-2013, 11:56 AM	#1 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 24	I'm at lunch note but after I'll look into the AEM meth kit and do a little research Sent with TapAhoe __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

07-09-2013, 12:25 PM	#2 (permalink)
Nixlimited A True Z Fanatic Join Date: Aug 2009 Location: San Diego Posts: 1,235 Drives: 15 GT-R / 11 Prius Rep Power: 26	I would be careful putting too much faith in meth being a reliable safety blanket for a stock engine. Certainly meth injection will decrease the likelihood of detonation, which is one major source of engine failure. However, even if you do not have any detonation, increasing the power level of a stock block with meth will still start to push you up against the limits of the stock parts. Too much power is too much power quite independently of detonation. I'm not suggesting that meth isn't a good idea, only that meth is no substitute for a built engine if you want to go for big numbers. __________________ Car Sold! Pleasure being a part of the Z community. New ride: 2015 GT-R - 647 WHP / 641 WTQ (e85) & 543 WHP / 519 WTQ (91)

07-09-2013, 03:10 PM	#4 (permalink)
Baer383 A True Z Fanatic Join Date: Aug 2010 Location: Lawrenceville,Ga Posts: 4,293 Drives: My foot up your azz Rep Power: 30	For the trouble I had to go thru with the install ,tune , cost of Meth it wasn't worth the 30-35 rwhp you get All you guys with these TT GTM kits will all be able to get over 500 rwhp it's enough anything more your just compensating for a small unit. __________________ 2013 ZL1 754 rwhp 747 rwtq

07-09-2013, 12:41 PM	#7 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 24	I completely agree with you but in my case I was thinking of achieving 550 hp max until I can afford to build the internals. Would the longevity of the engine not be extended since your not running so much boost? The stress from the high hp will still be the same so I see what your saying Sent with TapAhoe __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

07-09-2013, 02:40 PM	#9 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 24	So if one buys the GTR manifold you will need a nozzle for each cylinder? Sent with TapAhoe __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

07-09-2013, 05:05 PM	#10 (permalink)
COSMO A True Z Fanatic Join Date: Dec 2012 Location: FL Posts: 1,816 Drives: 2012 Touring GTM TT Rep Power: 20	Iam really not looking for more power but only to safe-guard the stock block....

07-09-2013, 05:37 PM	#12 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 24	525-550 here but I drive my car maybe 6 times a year. Hopefully the block will hold till I'm ready good internal upgrades Sent with TapAhoe __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

07-09-2013, 06:07 PM	#13 (permalink)
elperuano A True Z Fanatic Join Date: Oct 2011 Location: Southwest FL Posts: 1,374 Drives: G37S Rep Power: 29	6 times a year???? That will certainly change when you go boost.

07-09-2013, 06:34 PM	#14 (permalink)
Dzel A True Z Fanatic Join Date: May 2011 Location: Midland, TX Posts: 3,884 Drives: 11 370Z PW M6 Rep Power: 24	Lol probably will I haven't even gotten my hands on the kit and I already have like 4 boost your shirts. Favorite one is my keep calm and boost on shirt Sent with TapAhoe __________________ 10secWS6 IF YOU CAN'T SWING IT THEN DON'T BRING IT! Check out Domestic Performance C.C.

07-09-2013, 07:16 PM	#15 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29539	I never had a problem, and the power was nice. I just never felt comfortable with it. I don't trust the failsafes to shut it down to waste gate boost in time to save the motor. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

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