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-   -   GTM Supercharger-My Test Drive Impressions (http://www.the370z.com/forced-induction/26590-gtm-supercharger-my-test-drive-impressions.html)

nixxer 10-24-2010 05:32 AM

Can anyone post some videos, or make some, that accurately portray the recirc. valve and opperating noise of this SC kit? Interior/Exterior. IE: Driving around regular, spirited, WOT shifting? All the videos I've seen, even TT setups on dynos, you can never hear that rush of air sound(BOV and recirc setups), only exhaust and the noise of the rollers.

CGMobile370Z 10-24-2010 07:56 AM

Quote:

Originally Posted by hngonzalez (Post 778983)
Can anyone post some videos, or make some, that accurately portray the recirc. valve and opperating noise of this SC kit? Interior/Exterior. IE: Driving around regular, spirited, WOT shifting? All the videos I've seen, even TT setups on dynos, you can never hear that rush of air sound(BOV and recirc setups), only exhaust and the noise of the rollers.


Try this one:

YouTube - GTM 370Z SUPERCHARGER STG1 8PSI 550BHP/400 FT OF TORQUE 460 RWHP 360 RWTQ. TEST DRIVE

nixxer 10-24-2010 09:36 AM

Forgot I had seen that video. That satisfies the interior noise. Wonder how it sounded during all that from the outside.

KaienZ34 10-24-2010 11:41 AM

Quote:

Originally Posted by hngonzalez (Post 779039)
Forgot I had seen that video. That satisfies the interior noise. Wonder how it sounded during all that from the outside.


I would venture to say it sounded bad as hell !!:tup:

christian370z 10-24-2010 11:58 AM

Quote:

Originally Posted by KaienZ34 (Post 779127)
I would venture to say it sounded bad as hell !!:tup:

I would say so too haha, that car sounds awesome!

J. Dub 10-24-2010 12:04 PM

Quote:

Originally Posted by hngonzalez (Post 778983)
Can anyone post some videos, or make some, that accurately portray the recirc. valve and opperating noise of this SC kit? Interior/Exterior. IE: Driving around regular, spirited, WOT shifting? All the videos I've seen, even TT setups on dynos, you can never hear that rush of air sound(BOV and recirc setups), only exhaust and the noise of the rollers.

I completely agree. I'm hoping this SC from GTM will sound like the m90 SC does.
Here is a vid of an M90. Listen to the 47second mark

YouTube - Intoxicating Sound of a Rouscharger

CGMobile370Z 10-24-2010 05:03 PM

Quote:

Originally Posted by J. Dub (Post 779164)
I completely agree. I'm hoping this SC from GTM will sound like the m90 SC does.
Here is a vid of an M90. Listen to the 47second mark

YouTube - Intoxicating Sound of a Rouscharger

I think that gear whine is annoying, I like the fact that the Rotrex supercharger doesn't have the gear whine. It seems like the Rotrex S/C only provides that nice turbo whistle sound.

Flyboy 10-25-2010 09:35 AM

How are Belts holding up on this kit?

RCZ 10-25-2010 12:35 PM

Quote:

Originally Posted by wishihadnav (Post 777362)
oh i forgot to state how clean the GTM SC setup is a well...you pop the hood and everything looks stock except the intake pipes which look exactly like a cold air setup..super clean!!..the rotrex charger sits in front of the motor and low..it has its own oil cooler as well..i prefer this to the Stillen setup which sits high on top of the motor..besides lowering the center of gravity we all know that heat rises...Sam's setup is optimal imo.

Come on now...the effect on the cars center of gravity would be negligible even if you tracked it. Your heat argument is also kinda silly too since the gtm sc sits right next to the biggest heat source in the entire car, the headers. Own oil cooler = added weight and another possible point of failure. You are right about one thing though, it does look stock!

Forgot to look at the pro's of having the sc where stillen put it, such as: shortest possible route from the sc to the manifold = very responsive throttle, easy to access, no pressure drop in the intercooler, less weight in piping and gets more airflow to keep the unit cool.

Gotta look at all pro's and con's man. Just sayin'

dixon cider 10-25-2010 12:40 PM

Quote:

Originally Posted by RCZ (Post 780445)
Come on now...the effect on the cars center of gravity would be negligible even if you tracked it. Your heat argument is also kinda silly too since the gtm sc sits right next to the biggest heat source in the entire car, the headers. Own oil cooler = added weight and another possible point of failure. You are right about one thing though, it does look stock!

Forgot to look at the pro's of having the sc where stillen put it, such as: shortest possible route from the sc to the manifold = very responsive throttle, easy to access, no pressure drop in the intercooler, less weight in piping and gets more airflow to keep the unit cool.

Gotta look at all pro's and con's man. Just sayin'

Yeah, yeah, you're always "just sayin'". ;)

wishihadnav 10-25-2010 02:30 PM

Quote:

Originally Posted by RCZ (Post 780445)
Come on now...the effect on the cars center of gravity would be negligible even if you tracked it. Your heat argument is also kinda silly too since the gtm sc sits right next to the biggest heat source in the entire car, the headers. Own oil cooler = added weight and another possible point of failure. You are right about one thing though, it does look stock!

Forgot to look at the pro's of having the sc where stillen put it, such as: shortest possible route from the sc to the manifold = very responsive throttle, easy to access, no pressure drop in the intercooler, less weight in piping and gets more airflow to keep the unit cool.

Gotta look at all pro's and con's man. Just sayin'

hey every little bit counts especially when your dealing with added weight on the front end..actually the sc sits in front and is lower than the manifold keeping the heat shield intact..the oil cooler only wieghs a couple pounds at most (its small)...didn't one of the Stillen sc's actually blow a seal while on track?...i dont have anything against Stillen's product and i weighed the pros and cons for both..i just decided to go with GTM:tup:

shumby 10-25-2010 02:53 PM

Quote:

Originally Posted by Flyboy (Post 780178)
How are Belts holding up on this kit?


my belts are doing fine after 8000 plus miles on it now.

wishihadnav 10-25-2010 03:04 PM

Quote:

Originally Posted by shumby (Post 780723)
my belts are doing fine after 8000 plus miles on it now.

Hey Shumby any issues with the setup so far?

shumby 10-25-2010 03:10 PM

NOpe not one so far. Like I say the only issue was the hot start issue that I got sent the fix for as soon as i told Sam. Only thing i added was the Navtool so I could listen to Music while watching the Camp 2 as well as getting my Nav working again.

GUTCH 10-25-2010 03:29 PM

Quote:

Originally Posted by shumby (Post 780753)
Like I say the only issue was the hot start issue that I got sent the fix for as soon as i told Sam.

I have no idea what that issue means or whether or not it would potentially affect me. Yet anyway, is that fix now included with GTM's SC kits as standard?

shumby 10-25-2010 03:47 PM

lol. the hot start issue is a problem that occurs after the car is driven for a bit and then turned off. then the heat from the engine soaks into all the engine components. Now try to start the car and it spits and sputters and sounds like it is having a really hard time to start. Ya Sam should have this figured out now. However if you do get this issue as mine did n ot present itself right away, Sam will get you a flash to correct it.

JB-370z 10-25-2010 04:01 PM

ya when the motor is hot it needs a tad extra fuel to start thats all, no biggie.

wishihadnav 10-25-2010 04:18 PM

Quote:

Originally Posted by shumby (Post 780753)
NOpe not one so far. Like I say the only issue was the hot start issue that I got sent the fix for as soon as i told Sam. Only thing i added was the Navtool so I could listen to Music while watching the Camp 2 as well as getting my Nav working again.

cool thats what i wanted to hear:tup:

RCZ 10-25-2010 06:56 PM

Quote:

Originally Posted by wishihadnav (Post 780666)
hey every little bit counts especially when your dealing with added weight on the front end..actually the sc sits in front and is lower than the manifold keeping the heat shield intact..the oil cooler only wieghs a couple pounds at most (its small)...didn't one of the Stillen sc's actually blow a seal while on track?...i dont have anything against Stillen's product and i weighed the pros and cons for both..i just decided to go with GTM:tup:

Hehe, You and I can look at the same thing and come to different conclusions. That's what makes the world go 'round.

370Zsteve 10-25-2010 06:59 PM

Quote:

Originally Posted by theDreamer (Post 770756)
In for updates.

^ what he said

DannyGT 10-25-2010 11:09 PM

Quote:

Originally Posted by J. Dub (Post 779164)
I completely agree. I'm hoping this SC from GTM will sound like the m90 SC does.
Here is a vid of an M90. Listen to the 47second mark

YouTube - Intoxicating Sound of a Rouscharger

It wont. My best friend has one of only a handful of supercharged RS4's and its using an M90. It has a pretty sick whine to it especially when you hear the car coming at you. Good news is - I had the pleasure of riding in a Rotrex powered M3, which looked to have the identical unit as mine, just days before I completed my kit and it sounded awesome. Its alot more stealthy sounding but during every shift you can hear the bypass valve giving off a sort-of 'laser gun pew pew' sound (ROFL). One thing we all agreed on was that it still sounded amazing, so worry not people...worry not.

My buddies RS4 for ref... http://www.youtube.com/user/kryptoni.../4/sGKvHUpzMjk He made the video for his forum so its very detailed...just skip to the 8 min mark and you'll hear it. Same as that mustang. Ours wont sound like that, but he also heard the M3 and loved it...

1slow370 10-26-2010 02:52 AM

yeah there wont be any awesome gear whine with the rotrex, and as for comments about a stillen blower blowing a seal on track it's a vortech head-unit, stillen doesn't make it they buy it with a custom label riveted to it, and the vortech head-unit is usually very simple and reliable. on the same coin i remember when rotrex units first came out and HKS used them for their 350z supercharger kit due to the "awesomeness" of the variable ratio steel roller friction drive, and they had nothing but problems with them. The superchargers themselves should be marked for or against the manufacturer of the head unit not the company making the kit. Personally i hate all variable displacement superchargers so i could really care less about either one. The M90 is a beast up to about 350hp after that its adiabatic efficiency shoots through the floor and you better have the worlds most awesome intercooler and an amazing exit port job.

J. Dub 10-27-2010 03:55 PM

Quote:

Originally Posted by DannyGT (Post 781623)
It wont. My best friend has one of only a handful of supercharged RS4's and its using an M90. It has a pretty sick whine to it especially when you hear the car coming at you. Good news is - I had the pleasure of riding in a Rotrex powered M3, which looked to have the identical unit as mine, just days before I completed my kit and it sounded awesome. Its alot more stealthy sounding but during every shift you can hear the bypass valve giving off a sort-of 'laser gun pew pew' sound (ROFL). One thing we all agreed on was that it still sounded amazing, so worry not people...worry not.

My buddies RS4 for ref... YouTube - kryptonik8's Channel He made the video for his forum so its very detailed...just skip to the 8 min mark and you'll hear it. Same as that mustang. Ours wont sound like that, but he also heard the M3 and loved it...

At first I was like "not sure if want" if it doesn't sound good.... Now, I'm "want!". You sold me on the sound. LOL "pew pew"

wishihadnav 10-27-2010 04:09 PM

Quote:

Originally Posted by J. Dub (Post 784410)
At first I was like "not sure if want" if it doesn't sound good.... Now, I'm "want!". You sold me on the sound. LOL "pew pew"

you'll want..haha..believe me it was loud inside the car..i can only imagine how loud it was outside:icon17:

wishihadnav 11-04-2010 11:10 AM

finding a creative way to mount all the coolers..i have too many! lol...ps cooler, intercooler, oil, s.c. cooler..this should be interesting..

dixon cider 11-11-2010 12:51 AM

Hey wish, any updates? I'm headed there on Monday!! :excited::excited:

wishihadnav 11-11-2010 02:18 PM

Quote:

Originally Posted by dixon cider (Post 805212)
Hey wish, any updates? I'm headed there on Monday!! :excited::excited:

not yet since last week..take lots of pics:tup:

dixon cider 11-25-2010 03:59 AM

:hello: What's the word wish? Haven't seen anything lately. I though Sam said they were getting close on yours.

wishihadnav 11-29-2010 02:07 PM

Quote:

Originally Posted by dixon cider (Post 821395)
:hello: What's the word wish? Haven't seen anything lately. I though Sam said they were getting close on yours.

i havnt gotten the call yet that its done..hopefully soon

wishihadnav 12-07-2010 03:09 PM

1 Attachment(s)
recieved some pics from Sam on oil cooler placement..check out the naca duct setup:yum:

KaienZ34 12-07-2010 05:22 PM

That looks pretty damn goooodd !!

christian370z 12-07-2010 05:57 PM

Is that going to be molded into the bumper or painted body color? Dry carbon would look so hot!

shumby 12-08-2010 03:02 AM

thats hot. hats off to sam and his team.

SAM@GTM 12-08-2010 11:00 AM

Here is some more pics of the set up and we will offer this in CF air scoop as well .

Sam


wishihadnav 12-08-2010 11:11 AM

:yum:

wishihadnav 12-08-2010 11:12 AM

Quote:

Originally Posted by christian370z (Post 841397)
Is that going to be molded into the bumper or painted body color? Dry carbon would look so hot!

yeah Sam can get it molded, painted..whatever u want:tup:

DannyGT 12-08-2010 11:54 AM

100% thats mine, in CF...Please.

Sam, the day before its ready, I want it. ;)

christian370z 12-08-2010 10:07 PM

Quote:

Originally Posted by wishihadnav (Post 842636)
yeah Sam can get it molded, painted..whatever u want:tup:

Dayum, awesomeness. That might work well for a potential brake duct as well, thanks for the info.

Z eliminator 12-08-2010 10:19 PM

I think that it looks ugly! you will have to have on both sides.
It looks like a riced out Honda .
Id rather have the stillen bumper

dixon cider 12-08-2010 10:39 PM

Quote:

Originally Posted by Z eliminator (Post 843863)
I think that it looks ugly! you will have to have on both sides.
It looks like a riced out Honda .
Id rather have the stillen bumper

It's just a prototype right now. Not even a finished product. I myself am not sure I am sold on it yet. However, I talked to Sam today and he said that it can be whatever we want it to be. ie. rolled, CF, molded etc. I also told him that if I went this route, it WOULD DEFINITELY have to be on the other side as well. He said that it would be on the other side for the intake, so not to worry, it would balance it out. I think it would look better molded in so it looks stock. If I purchase the amuse kit, not sure how that would look.


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