Nissan 370Z Forum

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-   -   GT Motorsports: 370Z Supercharger system development (http://www.the370z.com/forced-induction/8812-gt-motorsports-370z-supercharger-system-development.html)

B1nks 09-13-2009 11:43 AM

Quote:

Originally Posted by red370 (Post 194837)
i said i could build my own tt kit for 8k, hell, even less. (this means putting together the parts for the kit, not bolting it up). of course i would never consider it because tt's are neither reliable or practical. back on topic please.

lies^^

Red370 09-14-2009 10:28 AM

Quote:

Originally Posted by B1nks (Post 196970)
lies^^

wrong. I'm guessing you've never driven anything with high boost.

modme 09-14-2009 11:12 AM

^but we're not talking about high boost with the vq37. GTM twins are running around low 6-9 psi

Red370 09-14-2009 03:20 PM

Quote:

Originally Posted by modme (Post 198365)
^but we're not talking about high boost with the vq37. GTM twins are running around low 6-9 psi

TT's in general, have alot, and I mean ALOT of components to them. When you introduce compressed air into something not designed for it, somewhere along the lines issues will pop up. Its a law of physics, when the possibility exists for things to go wrong, they will, and with an extensive build like a TT, increases those chances 2 fold. Lets get back on topic please, GTM's full bolt on "affordable" Supercharger kit, shall we?

RCZ 09-14-2009 10:45 PM

Red370,

Don't waste your time, I have argued this over and over and over again here and there are people who are convinced that turnkey, problem-less turbo kits exist. Its usually either people who don't consider blow-by or boost creep anything to worry about or who have "buddies" that have TT cars that magically have never had any issues.

Then again, some people know it comes with the territory and still do it. That's ok by my book, but its silly to pretend TT'ing an N/A car comes without any problems.

Not trying to be negative about GTM's kits or anyones for that matter, its just what I've experienced and seen and why I'm going SC this time around.

bucketman 09-14-2009 11:22 PM

:iagree: Anytime you start boosting a high compression motor bad things happen. The engine has a safety factor, and putting boost to them eliminates that. Putting the motor at the edge and then having detonation problems, not good. That's why the 300zxtt had a lower compression than the NA. I see one of the biggest benefits of the SC is less heat in the engine compartment.

Red370 09-14-2009 11:44 PM

Quote:

Originally Posted by RCZ (Post 199316)
Red370,

Don't waste your time, I have argued this over and over and over again here and there are people who are convinced that turnkey, problem-less turbo kits exist. Its usually either people who don't consider blow-by or boost creep anything to worry about or who have "buddies" that have TT cars that magically have never had any issues.

Then again, some people know it comes with the territory and still do it. That's ok by my book, but its silly to pretend TT'ing an N/A car comes without any problems.

Not trying to be negative about GTM's kits or anyones for that matter, its just what I've experienced and seen and why I'm going SC this time around.

Agreed, The GTM TT kit looks great and I bet performs like a champ, but my old GSX was a pain in the a$$ to keep running good, which is why i'll be Supercharging as well. Its a toss-up between this and Stillens when it comes out. I love the low end tq of a screw, but the top end of a centrifigal type is great too. We'll see which makes the most power while still being cost effective, im still not paying over 6k, I dont care what anyone says.

NewYorkJon34 09-14-2009 11:51 PM

Won't the stillen kit be better for those who want more low end TQ & have installed the G3 intakes already?

JoeD 09-15-2009 12:17 AM

Quote:

Originally Posted by RCZ (Post 199316)
Red370,

Don't waste your time, I have argued this over and over and over again here and there are people who are convinced that turnkey, problem-less turbo kits exist. Its usually either people who don't consider blow-by or boost creep anything to worry about or who have "buddies" that have TT cars that magically have never had any issues.

Then again, some people know it comes with the territory and still do it. That's ok by my book, but its silly to pretend TT'ing an N/A car comes without any problems.

Not trying to be negative about GTM's kits or anyones for that matter, its just what I've experienced and seen and why I'm going SC this time around.

Why is it that you always post exactly what I am/was about to?

I quit!! :)

1slow370 09-15-2009 03:04 AM

Quote:

Originally Posted by NewYorkJon34 (Post 199414)
Won't the stillen kit be better for those who want more low end TQ & have installed the G3 intakes already?

If stillen lets you keep the G3 intake I'm all for it. I still wonder how they are going to deal with the pesky vvel though.

Red370 09-15-2009 08:00 AM

Quote:

Originally Posted by NewYorkJon34 (Post 199414)
Won't the stillen kit be better for those who want more low end TQ & have installed the G3 intakes already?

A Roots style blower will always make better low end TQ than a Centrifugal style, because a a Centrifugal blower takes a little bit to build boost, much like a Turbo compressor. It would be nice if the G3's would work, but i, or nobody else for that matter, know how Stillen plans to fit their setup on the VQ37.

NewYorkJon34 09-15-2009 09:57 AM

Ya those G3 intakes were not cheap, and it would def suck if they did not work with the mystery stillen S/C. And I also think that the VVEL is giving most tuners a hard time.

RCZ 09-15-2009 12:24 PM

Quote:

Originally Posted by JoeD (Post 199432)
Why is it that you always post exactly what I am/was about to?

I quit!! :)

Bahaha the funny thing is that you do it to me all the time too.

Lets keep this thread on topic guys, this is about the GTM SC, not the Stillen. There's a thread for the Stillen.

Talking generally about torque curve, I too prefer a stronger low end than top end.

NewYorkJon34 09-15-2009 12:46 PM

Sry for going off topic, at least the GTM kit is going to be a single rotex kit, if it was a twin S/C, I think the price & hassles would be alot higher.

Sardis 09-15-2009 07:07 PM

I agree... TTing an NA car is always going to introduce some kind of trouble.

Yes the 3.7 HR block is much more stout, but it will not be effortless, without headaches, or inexpensive. People expect this to be seamless like it was a Toyota Supra, or something designed from the factory to hold boost.

Just look over in the forced induction forum on the other Z board. People have spent small fortunes boosting the 350z.. It was never that easy.

Valentino 09-15-2009 08:00 PM

How will you keep the G3, when you consider adding a supercharge?

john370z 09-15-2009 10:07 PM

I think it is safe to say...hold off on wasting your money on intakes if you are going with a s/c. I don't think Stillen and GTM are thinking of integrating them into their kits. I would be wrong...Chime in Sam if I am. Looking forward to hearing more information as you get it Sam..
Thanks
john

Unicorn_blood 09-15-2009 10:17 PM

I really hope you guys release a stage (like stage 0.5) for the MOST but safest amount of HP/TQ on a STOCK block. I'm thinking 400 to 450 for DD would be seriously a quick seller. Then offer an upgrade path to 1, 2 or 3 like the SCs for E46 M3s.

What I would really like to see is for Uprev Osiris to come in the picture and offer in-home flashing with switchable maps. It would be so sick to switch a map with a low boost for regular driving then switch it up to 10psi (just as an example) at a flick of a button.

Snakes709 09-15-2009 10:19 PM

This is why im holding off on buying anymore parts for the car. Doesnt matter what i kit, ill either have to take it off to support a supercharger for tt....only thing i can get is a exhaust

MMC Racing 09-15-2009 10:27 PM

Quote:

Originally Posted by darklocust (Post 200556)
I really hope you guys release a stage (like stage 0.5) for the MOST but safest amount of HP/TQ on a STOCK block. I'm thinking 400 to 450 for DD would be seriously a quick seller. Then offer an upgrade path to 1, 2 or 3 like the SCs for E46 M3s.

What I would really like to see is for Uprev Osiris to come in the picture and offer in-home flashing with switchable maps. It would be so sick to switch a map with a low boost for regular driving then switch it up to 10psi (just as an example) at a flick of a button.

Superchargers usually change boost levels through a pulley change. What you are describing is common with turbo cars with electronic boost controllers.

1slow370 09-16-2009 03:55 AM

Quote:

Originally Posted by Valentino (Post 200353)
How will you keep the G3, when you consider adding a supercharge?

dual throttlebodies near the stock location feeding the intake neck to the blower?

1slow370 09-18-2009 05:55 AM

oh and for the GTM kit can't see why the compressor out pipe couldn't run through a FMIC an then into a Y pipe that would feed into the stillen gen3's. Maybe use a vertical flow intercooler element/tank arrangement to put the dump right there. That way everyone who buys a GTM kit could rock the stillen G3 until they install the rest of the kit.

Equinox 09-18-2009 10:04 AM

subscribo

RCZ 09-18-2009 10:04 AM

Thats so unlikely....GTM isn't going to mfg a supercharger kit to work with the competition's parts. Plus I'm assuming piping diameter and routing will be optimized for the SC...not to work with Stillen's intakes...

G37Sam 09-18-2009 10:20 AM

Come on guys, it's not like a 500$ intake will stop you from ordering a SC haha

RCZ 09-18-2009 11:05 AM

specially when you can sell the intake...

john370z 09-18-2009 11:24 AM

I know I have a question and I am guessing many others are also interested in the answer as well. I would love to have a forced induction system (especially since I am at 5500 ft. elevation and am already loosing over 20% from that alone) but to use Ron Popeil’s term, I would like to “set it and forget it”. I would like the highest gains that are safe for the engine. I would not like to have the lifespan of the engine reduced by any significant amount. I do not want to have to take it to a tuner after the initial setup and install and initial tune. Basically I would like the overall reliability to remain while performance was greatly improved. Is this possible? Am I expecting too much? If I wanted 375+ rwhp, should I have bought a car that came that way from the factory? I would love to hear from GTM and Stillen about these questions. Thanks for your time and attention!
John

Hi-TecDesigns 09-18-2009 12:25 PM

Quote:

Originally Posted by john370z (Post 203518)
I know I have a question and I am guessing many others are also interested in the answer as well. I would love to have a forced induction system (especially since I am at 5500 ft. elevation and am already loosing over 20% from that alone) but to use Ron Popeil’s term, I would like to “set it and forget it”. I would like the highest gains that are safe for the engine. I would not like to have the lifespan of the engine reduced by any significant amount. I do not want to have to take it to a tuner after the initial setup and install and initial tune. Basically I would like the overall reliability to remain while performance was greatly improved. Is this possible? Am I expecting too much? If I wanted 375+ rwhp, should I have bought a car that came that way from the factory? I would love to hear from GTM and Stillen about these questions. Thanks for your time and attention!
John

Do you really need to post the same question three times in the top three threads?

(And 'yes', I have to post my same question three times to make a point)

ZforMe 09-18-2009 01:19 PM

^ LOL of the day for me.

Valentino 09-18-2009 01:32 PM

Quote:

Originally Posted by ZforMe (Post 203724)
^ LOL of the day for me.

:iagree:

hehehe

SAM@GTM 09-20-2009 01:04 AM

Quote:

Originally Posted by john370z (Post 203518)
I know I have a question and I am guessing many others are also interested in the answer as well. I would love to have a forced induction system (especially since I am at 5500 ft. elevation and am already loosing over 20% from that alone) but to use Ron Popeil’s term, I would like to “set it and forget it”. I would like the highest gains that are safe for the engine. I would not like to have the lifespan of the engine reduced by any significant amount. I do not want to have to take it to a tuner after the initial setup and install and initial tune. Basically I would like the overall reliability to remain while performance was greatly improved. Is this possible? Am I expecting too much? If I wanted 375+ rwhp, should I have bought a car that came that way from the factory? I would love to hear from GTM and Stillen about these questions. Thanks for your time and attention!
John

John

I don't think you are expecting too much, That is the way it should be and that is why we offer our GTM turn key so you can "set it and forget it " as you said .

-Our GTM Turn key solution whether TT or SC does not require a retune (maf tuning )

-Our engine management solution is done via flashing the factory ecu so basically you are getting the factory driveability just with a lot more power

Plus We are working on a good platform from the start, all those things will deliver what you are looking for and more ...All you have to do is just buy the GTM kit

Sam

john370z 09-20-2009 01:56 PM

thanks sam!

NewYorkJon34 09-20-2009 03:30 PM

How much TQ did your kit dyno at?

john370z 09-20-2009 09:01 PM

Yes...would love to know the s/c torque curve...compared to the TT setup?

jmlenz 09-21-2009 12:54 AM

^ dont think the SC kit is up and running yet...still a ways off from dyno numbers for sure

RCZ 09-21-2009 10:22 AM

They are probably fabbing the piping as we speak...

SAM@GTM 09-21-2009 08:19 PM

Quote:

Originally Posted by RCZ (Post 206953)
They are probably fabbing the piping as we speak...

We will have some more pics to show by the end of this week, It is moving forward smoothly .

Sam

NewYorkJon34 09-21-2009 08:40 PM

How are you guys going to handle the tuning for the S/C?, since the VVEL is such a pain in the ***.

LiquidZ 09-21-2009 08:43 PM

Quote:

Originally Posted by NewYorkJon34 (Post 207732)
How are you guys going to handle the tuning for the S/C?, since the VVEL is such a pain in the ***.

Probably the same way they did with their TT kit :happydance:

nogoodname 09-21-2009 08:44 PM

software and hardware included on the TT kits i heard


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