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GTM Performance Engineering 350Z HR SUPERCHARGER KIT PRESS RELEASE

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Old Jun 21, 2011 | 05:09 PM
  #281  
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just picked up my car from the shop had the gtm sc installed, its awesome. Sam from gtm is great and easy to work with. the power is great and the sound is sick!
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Old Jun 21, 2011 | 07:08 PM
  #282  
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<iframe width="480" height="390" src="http://www.youtube.com/embed/ig2k8v0P-Mc" frameborder="0" allowfullscreen></iframe>
It did a baseline of 377whp 315ft lbs
So far I have about 2,500 miles on it and have driven to ATL and back which is about 2 1/2hrs away, and I haven't had any problems out of it.

Last edited by Boo Rad; Jun 21, 2011 at 07:13 PM.
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Old Jun 22, 2011 | 02:34 AM
  #283  
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-1000 to Sam. i don't like work with a unresponsive person.
i had a problem with pop off and bad tune.
never had support by gtm,

before solve my problems with sc installed dyno was:



the last peak is a dissipated power. @5000 rpm i had 40cv less before installation.
the only answer by Sam:

"I'm a little confused, your labled sc dyno chart reads higher then the before, so how can you say it is worse can you please explain ?

Sam"

COMPLIMENTS!!!!!!


with pop off ok, air filter changed, and the help of best tuner near my country:

(WITH 100mm PULLEY)



and here video:

http://www.youtube.com/watch?v=ovAV6sxTVoQ
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Old Jun 22, 2011 | 03:07 AM
  #284  
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So you had the kit installed incorrectly, then when it was corrected the kit worked as its suppose to?

Sorry don't really understand what you are trying to say, car looks good though!

-George
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Old Jun 22, 2011 | 05:33 AM
  #285  
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^-1000 to Sam, lol
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Old Jun 22, 2011 | 08:54 AM
  #286  
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Paolo,

First of all, I'm glad your car is back on track and working to your liking.

As for the "lack of support", we are only as good as the information we receive from you. You never mentioned to us that your bypass valve was staying open. This is very important information.

We received a phone call from the gentleman who took over your project. Good guy. It looks like he knows what he's doing. Here's what he stated: the bypass valve was staying open and causing a substantial loss of boost. He said that he shimmed the valve to get it to stay closed longer, but now there's a fluttering issue. He also noted that when he had the valve off, there was some scoring on the bypass valve piston which indicated to us that there may have been some debris that entered the valve and possibly caused it to stick open or not operate freely as it should. We advised him to take the valve apart, clean the piston and check for free operation of the valve. We also explained that this valve replaced the original Bosch valve we were using and that the new valve is adjustable. We told him to remove the shims and use the valve's adjustment to balance the boost holding capacity of the valve and fluttering.

As for the "bad tune", a tune cannot compensate for poor mechanical operating condition of a vehicle...period.

Sam

Originally Posted by DR Z
-1000 to Sam. i don't like work with a unresponsive person.
i had a problem with pop off and bad tune.
never had support by gtm,

before solve my problems with sc installed dyno was:


the last peak is a dissipated power. @5000 rpm i had 40cv less before installation.
the only answer by Sam:

"I'm a little confused, your labled sc dyno chart reads higher then the before, so how can you say it is worse can you please explain ?

Sam"

COMPLIMENTS!!!!!!


with pop off ok, air filter changed, and the help of best tuner near my country:

(WITH 100mm PULLEY)
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Old Jun 23, 2011 | 02:26 AM
  #287  
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Sam
i'm not mechanical or tuner...
when i sent you the first dyno i sent also a log with cipher and i asked you what i had to look, i told you the car some time doesn't turn on, ect ect, but i never received help/answer (as usual).

i know the tune for email cannot be perfect and our gasoline is different, but base tune gtm for sc was veeeery bad. maybe is better for your credit avoid to send maps for email.

i asked you upgrade from osiris standard to osiris tuner = 454$ with GTM and 200$ with uprev...

so i said "hello" to you and i ask in Italy, i found Okan (tuner call you) and he solves my problem.

now the car runs from hell and made great numbers with 100mm pulley.

despite all, the kit is really well done and i'm very very happy too... finally.

i hope to work better next time with GTM for next project.

(if someone ask why i looking in usa for z parts... cause in italy is more expensive and we haven't absolutely the same choice... in this sense you are lucky!!!)

(sorry for my english)
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Old Jun 23, 2011 | 10:16 PM
  #288  
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Same thing here in Finland! Here's no parts at all I have ordered everything from U.S

I asked and searched but didn't find a tuner here who would operate with Uprev It looks like I have to stick with emailed tune after ordering.
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Old Jun 25, 2011 | 12:59 PM
  #289  
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Originally Posted by ordinaryme
Same thing here in Finland! Here's no parts at all I have ordered everything from U.S

I asked and searched but didn't find a tuner here who would operate with Uprev It looks like I have to stick with emailed tune after ordering.
Why wouldnt you look into that info before you ordered it?
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Old Jun 26, 2011 | 09:16 AM
  #290  
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I haven't ordered it yet! But I'm strugling if I even order it because there's no tuners here (who are willing to operate with uprev) I wasn't clear enough, my english isn't that good neither.
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Old Jun 27, 2011 | 06:53 PM
  #291  
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These guys crack me up. I'm glad your issues got fixed.
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Old Jul 4, 2011 | 04:56 PM
  #292  
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getting my car tuned @ http://www.theexperience.com/ getting a tune with uprev on my sc c38 08 z will post results on thursday, also getting a oil engine cooler from gtm installed gtm 25 row hopefully this help keeping it cool for the summer as its my every day driver for now

Last edited by jusdrink; Jul 4, 2011 at 04:57 PM.
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Old Jul 8, 2011 | 04:14 PM
  #293  
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Thumbs up

Just wanted to thank performance motorsports in st james ny...
Attached Thumbnails GTM Performance Engineering 350Z HR SUPERCHARGER KIT PRESS RELEASE-dyno.jpg  
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Old Jul 8, 2011 | 05:41 PM
  #294  
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Great numbers for a mustang dyno, that thing must be a beast.
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Old Jul 11, 2011 | 03:49 AM
  #295  
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Their dyno has been known to read high
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Old Jul 20, 2011 | 07:49 AM
  #296  
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I have yet to see any track times; 370z or 350z with stage 1 or stage 2 supercharger
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Old Aug 7, 2011 | 07:53 AM
  #297  
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subscribed!!! looks like this is the route i am going to take when its time
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Old Aug 11, 2011 | 10:27 PM
  #298  
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So whats the deal with these...did everyone who pre-ordered get their kits?
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Old Sep 8, 2011 | 07:57 PM
  #299  
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I read on *******.com that GTM finished their Stage 2 Kits for 350z VQ35HR. I was reading the 370z's Stage 2 Kit was completed and began shipping a couple weeks ago. The Stage 2 Kit looks very promising for the 370z. Also read your working on upgrade kits for people who already have the Stage 1 looking to go Stage 2 in the future for the 370z.

Sam can you chime in on the future of the Supercharger kit for people who own a VQ35HR. Confirm these rumors? What can we expect, what is in the works? Just trying to inform my fellow HR's, since this thread seems pretty dead.
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Old Sep 8, 2011 | 08:20 PM
  #300  
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Yeah updates and future plans would be nice. Tax time is coming around again and I will be ordering a kit when my return comes.
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