Nissan 370Z Forum

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

SAM@GTM 02-22-2010 01:02 PM

Quote:

Originally Posted by shumby (Post 412594)
^^^^ sam????

Just call the shop or shoot me a pm and we'll get you set up. as for the install time will need the car for two days

Sam

shumby 02-22-2010 01:27 PM

PM sent sam awaiting reply

budakai 02-22-2010 01:34 PM

Damn, installing the SC kit must be easy...That's a good thing...

NYBladeZ 02-22-2010 02:59 PM

you can probably get 350ish at the wheels from bolt ons, I figure if you go FI especially on the new VQ motor you have to be seeing close to 500

G37Sam 02-22-2010 03:15 PM

Quote:

Originally Posted by SAM@GTM (Post 412582)
Wont work on the VQ37VHR.

Sam

Must be the lame VVEL

StillenZ 02-22-2010 04:55 PM

I'm still wanting to hear what 2Fast4TheLaw is hoping to get for his 5K damnit!!!

kdoske 02-22-2010 04:56 PM

Quote:

Originally Posted by G37Sam (Post 412772)
Must be the lame VVEL

I would hardly call VVEL lame. Once the the ability to control VVEL becomes common knowledge I imagine most tuners would wish all engines had them.

roplusbee 02-22-2010 06:50 PM

Sent you a PM Sam.

LiquidZ 02-22-2010 07:11 PM

... or it could be that there is no Haltech unit available for the 370Z yet...

Zsteve 02-22-2010 07:16 PM

Quote:

Originally Posted by NYBladeZ (Post 412767)
you can probably get 350ish at the wheels from bolt ons, I figure if you go FI especially on the new VQ motor you have to be seeing close to 500

350 to the wheels on bolt ons IMO is kinda high. Thats what 70 over stock? And the avg SC will be just above 400, for 500 from a SC you will have to run high boost and that could lessen the life of the engine a good amount. For 500 or more better go TT.

Zsteve 02-22-2010 07:19 PM

Quote:

Originally Posted by kdoske (Post 412939)
I would hardly call VVEL lame. Once the the ability to control VVEL becomes common knowledge I imagine most tuners would wish all engines had them.

Maybe they wont be able to change the vvel much. I would think that it shouldnt be much harder than rewriting other programs I would think, but I could very well be wrong.

budakai 02-22-2010 07:43 PM

Hey sam, how much PSI to you think the rotrex unit can produce?

2fast4thelaw 02-22-2010 10:17 PM

Quote:

Originally Posted by SAM@GTM (Post 412212)
What is acceptable to you for 5 k ?

Sam

If this kit could produce 100 rwhp and it was 5 to 5.5 grand I would say it would be "acceptable". If it were 6500 or more than it would have to add 150 rwhp or close or otherwise most people are going to likely spend a little more and go TT or do nothing at all. I don't think I am alone here either, I suspect many others are still on the fence between a supercharger and a TT.

I have pretty much made up my mind on installing a TT kit. I am for the most part just lurking the supercharger threads out of mere curiosity.

2fast4thelaw 02-22-2010 10:24 PM

Quote:

Originally Posted by StillenZ (Post 412936)
I'm still wanting to hear what 2Fast4TheLaw is hoping to get for his 5K damnit!!!

I just posted my 2 cents! :tiphat:

I am not looking for a cheap solution, I am just saying if this kit costs 6000 grand or more and doesent deliver over 100 rwhp, it isnt going to sell.

5K just came to mind becasue when I had my 350Z I could have gotten a supercharger kit for 5K for a bit under 100rwhp gain. I am not trying to be a total dyck on here, I am just being realistic. Its simple economics.

NYBladeZ 02-22-2010 10:34 PM

less than $7000 + 450whp is what I'm praying for with supporting mods of course. Sure a TT will get you 500whp but not the gobs of torque the SC's will give you.

Brazilbro 02-22-2010 11:25 PM

Quote:

Originally Posted by NYBladeZ (Post 413314)
less than $7000 + 450whp is what I'm praying for with supporting mods of course. Sure a TT will get you 500whp but not the gobs of torque the SC's will give you.

http://www.the370z.com/forced-induct...p-532rwtq.html

Ya, 532wtq at 3500 rpms sucks! :rolleyes: I want that S/C Tq! :tup:

Buddy Revell 02-23-2010 12:24 AM

Quote:

Originally Posted by Brazilbro (Post 413371)
http://www.the370z.com/forced-induct...p-532rwtq.html

Ya, 532wtq at 3500 rpms sucks! :rolleyes: I want that S/C Tq! :tup:

Yeah, the right sized turbos can give the VQ pretty damn good torque. Greddy's 370Z TT puts out solid torque numbers even at a modest 6.5 lbs. of boost.

Blog_370Zdyno.jpg (image)

budakai 02-23-2010 06:27 AM

Quote:

Originally Posted by Brazilbro (Post 413371)
http://www.the370z.com/forced-induct...p-532rwtq.html

Ya, 532wtq at 3500 rpms sucks! :rolleyes: I want that S/C Tq! :tup:

That's at 13 psi with 100 oct fuel...

Then 513 --413 91 oct....

Your also comparing one SC compressor to two TT compressors..... Twin turbos spool faster and creat less lag than a single turbo.If the TT only came with one Turbo then I am pretty sure the SC kit will dust it.... I asked sam how much PSI can the rotrex unit put out...I am pretty sure if it puts out 13 psi of boost, the HP level will be more than we need (probably close to a 9 or 8 psi TT setup)... Let me check out the SC dyno chart....one sec.

budakai 02-23-2010 06:39 AM

wrong

budakai 02-23-2010 06:52 AM

wrong

budakai 02-23-2010 06:54 AM

wrong

budakai 02-23-2010 06:56 AM

wrong

budakai 02-23-2010 06:57 AM

wrong sorry

MMC Racing 02-23-2010 08:01 AM

Quote:

Originally Posted by budakai (Post 413490)
SAM--- help--- please....now they are going to tear me a new *******..

The bigger problem is your conclusion relied on 2 cars launching at idle. That is not realistic.

Where is the price? I bet about 1/2 this forum is about to be disappointed.

Buddy Revell 02-23-2010 08:52 AM

Budakai, why would you imagine a TT kit with only one turbo? Why would you launch and/or land at 2750 rpms in a race?

modme 02-23-2010 11:24 AM

Quote:

Originally Posted by budakai (Post 413490)
SAM--- help--- please....now they are going to tear me a new *******..

Oh just stop trying. TT is for ballers. SC is for smaller balls! :tup: :roflpuke2:

StillenZ 02-23-2010 12:00 PM

So maybe I'm just completely wrong here but for about 15 years I have thought that TT was Twin Turbo... Now I'm sure its just me but wouldn't the phrase "TT" and "single turbo" not go well together in the same sentence...Please educate me here cause I am lost on some of the stuff that was said in the past few posts regarding "TT" and "single turbo"

Red370 02-23-2010 12:47 PM

So Kyle just dropped a bomb on the stillen setup, 400+ wheel horsepower with an auto G37, and the car is running smooth and efficiently, I think somebody needs to step up their game!

RCZ 02-23-2010 12:51 PM

Quote:

Originally Posted by budakai (Post 413482)
Just as i suspected......turbo boost kicked in at 3500 rpms with two compressors....Boost with the single rotrex kicked in at 2750 rpms at 5 psi....If everything was equal besides the rpm boost point...the SC system will win.. 3500 vs 2750...that's like racing two stock 370z's but one had a miss-shift...The one that didn't miss-shift will win the race..

Quote:

Originally Posted by budakai (Post 413487)
Look at the second dyno chart vs the 1st one....In the 1st graph people might say that the rpm boost level is the same....I don't think so...I think the SC 370z was already in boost....look at the spike when someone hit it....its almost a 90 degree angle....That's what I call fun power....Now image if we had two rotrex units.... we would fuuukkkk **** up

Quote:

Originally Posted by budakai (Post 413488)
By the way...I was looking at the tq curve...

Quote:

Originally Posted by budakai (Post 413489)
Ohhh shoot...:wtf2: I think i read the graph wrong...

Quote:

Originally Posted by budakai (Post 413490)
SAM--- help--- please....now they are going to tear me a new *******..

The edit button is your friend man...no need for multiple posts and clutter.

budakai 02-23-2010 02:17 PM

I just found the edit button...Sorry I wrote all this at 6 in morning... I was not running on all six cylinders yet....

Z eliminator 02-23-2010 03:18 PM

400 rwhp will be great. 420 to 450 a dream come true.
Have any of you guys driven a 370 with 297 rwhp. I have and with 4.08 gears in a 7 AT its a terror.
Try launching the car and not spin the wheels in first or 2nd gear at the track. There is no tractkion on the stock 19 inch tire.
With my set up its going to go 11.6's at the track with the stage 3!
I just love all the negative remarks out here about both the GTM and the Stillen.
How many of you guys are actually going to buy a GTM?
I did.
Its going to be a stage 3 rotex with a few bolt on, and im going to heat treat a few of the parts so that intake charge is cooler.
Sam's working on it as we speak.
I told him that i do not need it till mid summer.
It will take some time as it is a very time consuming project on GTM's part. R&D takes a long time when you start from scratch.
From the progress that i've heard its going to be a very nice kit once he gets past a few minor difficultys.
Holding on to 370 with 500 hp, you guys better learn to drive or the car may have a short life span.
It will be way faster than a 350z
If any body with a stillen set up is in Ontario Canada at the Ontario Z Drag day at St Thomas Drag strip this summer. I would love to have a grudge match drag race with you.
The time slip and the lights and the end of the track will settle all the wonderful disscusion about which one is the faster and better kit.

Z Eliminator.

Buddy Revell 02-23-2010 03:27 PM

Quote:

Originally Posted by Z eliminator (Post 414048)
The time slip and the lights and the end of the track will settle all the wonderful disscusion about which one is the faster and better kit.

Z Eliminator.

Not if the two drivers' skill levels are different.;)

m4a1mustang 02-23-2010 03:41 PM

Well Z Eliminator is also a crazy mofo who will probably be running slicks!

Z eliminator 02-23-2010 03:46 PM

Just got the rims Volks T-37's
18 x 10.5 with 305, 35, 18. MT drag radials 11
There will be no traction problems.
And a speed force racing VB with 2900 stall torque converter coming soon .
(not sure if there will be a kit to fully build the 7 AT )
Im only a crazy ______ when i run my 350 with the GTM 4.2 , wolf 850 ttbb's with a Speed Force built 5 AT. The build is going nicely.
Still waiting for Sam to ship me the 3 inch exhaust.

Buddy Revell 02-23-2010 03:51 PM

Quote:

Originally Posted by Z eliminator (Post 414074)
Just got the rims Volks T-37's
18 x 10.5 with 305, 35 18 MT drag radials 11
There will be no traction problems.
And a speed force racing VB with 2900 stall torque converter
(not sure if there will be a kit to fully build the 7 AT )

Well that throws a monkey wrench into the idea of proving which SC kit is better with a drag race, unless the Stillen SC'ed Z you're challenging has the exact same supporting mods and is driven by someone with the same drag race skills you do.

puckshaw 02-23-2010 04:43 PM

Who cares about drag racing?

*runs and hides*

G37Sam 02-23-2010 05:03 PM

Quote:

Originally Posted by puckshaw (Post 414122)
Who cares about drag racing?

*runs and hides*

You don't have to, I'm kind of on your boat too.. The Z was never meant to be a drag car in the first place :stirthepot:

RCZ 02-23-2010 05:09 PM

^ I agree, but its not about that. They are talking about acceleration here not about handling. There is no better place to test acceleration than the drag strip.

It doesn't matter what your dyno sheet says if you are still running 13's with crappy trap speeds.

G37Sam 02-23-2010 05:14 PM

Quote:

Originally Posted by RCZ (Post 414154)
^ I agree, but its not about that. They are talking about acceleration here not about handling. There is no better place to test acceleration than the drag strip.

You have a point :tiphat:

KEVTEX 02-23-2010 06:16 PM

Our Friday night drags cost $20 to enter. That is cheaper and more fun than a dyno pull. The trap speed is what tells you the cars power level with the ET reflecting driver skill and available traction.


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