My GTM Supercharger Review

theDreamer · 12-28-2010, 09:16 AM

I did not need a crazy amount of power nor did I care about the expandability of the TT.
I just wanted a bit over 400whp and mid 300TQ.

fstrnldr · 12-28-2010, 09:17 AM

Personally after driving both the sc and tt cars, I can see a reason for both. Even if you take cost out of the equation (which is a huge part of that decision for a lot of people), the supercharger just feels right for some cars. Gives you that V8 feel basically, and I think for a G that's perfect, it subtle, doesn't scream this car was modified, and keeps the luxury sport theme of the G. Now the Z, is all ready a bit more flashy so a big visible IC and healthy exhaust note are a bit more at home to me for this car, but still that's not for everyone, which is what makes GTMs supercharger kit perfect for some people. Really hard to explain until you drive the SC car.

weiboy718 · 12-28-2010, 11:38 AM

I have a epic journey coming up and I can't wait till it's all done.

tomnavone · 12-28-2010, 11:57 AM

Quote:

Originally Posted by weiboy718

I have a epic journey coming up and I can't wait till it's all done.

Finally getting the sex change surgery done?

weiboy718 · 12-28-2010, 12:09 PM

Quote:

Originally Posted by tomnavone

Finally getting the sex change surgery done?

Ya! GEtting dehomoed and turning back into a real man soon!

Nixlimited · 12-28-2010, 04:00 PM

Quote:

Originally Posted by SAM@GTM

Because HFC were never intended for FI use, not strong enough to take the heat of the EGT on an FI car. On average it will take 3 to 5 months before they melt down .

Sam

Do they make HFCs that work with FI cars? Seems like they sell them for EVOs and STis, but I never had any in my car.

RCZ · 12-28-2010, 04:18 PM

^ they do, but they are nowhere as popular as going catless.

Buddy Revell · 12-28-2010, 04:29 PM

Quote:

Originally Posted by G37sHKS

Can I know why you guys go to SC over TT setup??

the torque in SC kit is the only thing that keep me away from SC.. like com'n, 350 TQ is just not enough

a stage 1 tt kit with 2.5 exhaust (not 3") can do easily 450 torque and up.

I would love to get a super charger for my g37 coupe but these torque gains are just not enough for me..

Im going to keep my money till gtm control VVEL at that time we shall see if controlling the VVEL will release the hidden torque or not.

Personally, I love how subtle and yet still powerful my SC kit is and how linear the torque curve and power delivery are. The cash I saved over going with a full TT setup was also a bonus.

Buddy Revell · 12-28-2010, 04:30 PM

Quote:

Originally Posted by fstrnldr

Personally after driving both the sc and tt cars, I can see a reason for both. Even if you take cost out of the equation (which is a huge part of that decision for a lot of people), the supercharger just feels right for some cars. Gives you that V8 feel basically, and I think for a G that's perfect, it subtle, doesn't scream this car was modified, and keeps the luxury sport theme of the G. Now the Z, is all ready a bit more flashy so a big visible IC and healthy exhaust note are a bit more at home to me for this car, but still that's not for everyone, which is what makes GTMs supercharger kit perfect for some people. Really hard to explain until you drive the SC car.

Just saw this post. Well said.

Staples · 12-28-2010, 06:44 PM

I like the linear powerband that's on the supercharger kit. I don't feel the need for 400+ ft-lbs. It's hard enough getting 350 on the pavement, let alone more. Besides, whichever option you go with 1st and 2nd are pretty much useless on street tires anyway.

RCZ · 12-28-2010, 07:01 PM

Quote:

Originally Posted by Z eliminator

I would like to see RCZ put the VVEL controller on his car to see how much more RWHP he would make. His car put's down lots of rwhp now. It should make a lot more.
I would also like to try it on my N/A set up to see how much more power it makes from 7000 to 8100 rpm. before i put the SC on.
Z

I haven't been following, whats this GTM VVEL controller I keep hearing about?

Staples · 12-28-2010, 07:22 PM

Quote:

Originally Posted by RCZ

I haven't been following, whats this GTM VVEL controller I keep hearing about?

They have the equipment to unlock the VVEL, but it's going to be a while until it's finished. Supposedly they're using the white dragon as their first test subject.

RCZ · 12-28-2010, 08:36 PM

Other than getting LTH's to work, what's the purpose / expected gains? I heard there wasn't much at all to be gained from fiddling with the system since it already does a pretty damn good job from the factory. Don't get me wrong, I'd be all for running LTH's.

Staples · 12-28-2010, 10:59 PM

Quote:

Originally Posted by RCZ

Other than getting LTH's to work, what's the purpose / expected gains? I heard there wasn't much at all to be gained from fiddling with the system since it already does a pretty damn good job from the factory. Don't get me wrong, I'd be all for running LTH's.

No no... this is actually remarkable because the problem with the VVEL system from factory is that it has an extremely aggressive cam duration of about 300, yes 300. This in turn causes valve overlapping which means the intake valve and the exhaust valve are both open at the same time and when you're pushing a high amount of air - like with forced induction, you're actually not able to make the full amount of boost because it's being pushed through head so fast it doesn't give the bottom end enough time to compress it. Turn the cam duration down and in turn you'll be able to use more of the air that's being forced into the engine. That's why you see the same stage 1 kit on the 350z HR putting down 470+whp on 14psi, the same exact kit that's available to the VHR motor that is only seeing 8psi (same pulley being used between both motors)

This is what my input is at least on the matter, I'm sure Sam could shed a lot more light on this then I can.

theDreamer · 12-28-2010, 11:40 PM

Quote:

Originally Posted by RCZ

Other than getting LTH's to work, what's the purpose / expected gains? I heard there wasn't much at all to be gained from fiddling with the system since it already does a pretty damn good job from the factory. Don't get me wrong, I'd be all for running LTH's.

VVEL does not have much to do with LTHs.
It is more on the side of cams and such, it will help those with more open exhaust setups probably but maybe not. Right now they are going to use the FCON by HKS to test tuning with VVEL.

12-28-2010, 09:16 AM	#46 (permalink)
theDreamer A True Z Fanatic Join Date: Feb 2009 Location: Texas Posts: 30,879 Drives: 370z Rep Power: 4210	I did not need a crazy amount of power nor did I care about the expandability of the TT. I just wanted a bit over 400whp and mid 300TQ. __________________ theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN theDreamer's Silvia // URAS // GREDDY Houston Zs // Facebook // Twitter // Instagram

12-28-2010, 06:44 PM	#55 (permalink)
Staples Track Member Join Date: Sep 2010 Location: Baltimore, MD Posts: 546 Drives: '08 Infiniti G37s Rep Power: 15	I like the linear powerband that's on the supercharger kit. I don't feel the need for 400+ ft-lbs. It's hard enough getting 350 on the pavement, let alone more. Besides, whichever option you go with 1st and 2nd are pretty much useless on street tires anyway. __________________ '08 Infiniti G37s - Forced Induction Fed

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12-28-2010, 09:17 AM	#47 (permalink)
fstrnldr Base Member Join Date: Apr 2009 Location: CA Posts: 170 Drives: Canyonero Rep Power: 16	Personally after driving both the sc and tt cars, I can see a reason for both. Even if you take cost out of the equation (which is a huge part of that decision for a lot of people), the supercharger just feels right for some cars. Gives you that V8 feel basically, and I think for a G that's perfect, it subtle, doesn't scream this car was modified, and keeps the luxury sport theme of the G. Now the Z, is all ready a bit more flashy so a big visible IC and healthy exhaust note are a bit more at home to me for this car, but still that's not for everyone, which is what makes GTMs supercharger kit perfect for some people. Really hard to explain until you drive the SC car.

12-28-2010, 11:38 AM	#48 (permalink)
weiboy718 Track Member Join Date: May 2010 Location: Bay Area Posts: 923 Drives: Infiniti G37 Rep Power: 15	I have a epic journey coming up and I can't wait till it's all done.

12-28-2010, 04:18 PM	#52 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1118	^ they do, but they are nowhere as popular as going catless.

12-28-2010, 08:36 PM	#58 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1118	Other than getting LTH's to work, what's the purpose / expected gains? I heard there wasn't much at all to be gained from fiddling with the system since it already does a pretty damn good job from the factory. Don't get me wrong, I'd be all for running LTH's.