Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Forced Induction (http://www.the370z.com/forced-induction/)
-   -   GTM Supercharged 370Z nismo with stock Exhaust & HFC- 414 RWHP 351 RWTQ 91 oct (http://www.the370z.com/forced-induction/29654-gtm-supercharged-370z-nismo-stock-exhaust-hfc-414-rwhp-351-rwtq-91-oct.html)

Zat_Zuma 12-31-2010 11:01 AM
Another fine project completed by GTM.

Good job Sam! and to the GTM's crew. :tup:

RCZ 12-31-2010 11:06 AM
Looks good. I gotta ask though, is this thing wastegated?? Whats with the boost tapering?

djpathfinder 12-31-2010 11:26 AM
Thanks for posting, Sam! :driving:

FuszNissan 12-31-2010 12:28 PM
Love the wheels!!!!

SAM@GTM 12-31-2010 02:03 PM
Quote:
Originally Posted by hngonzalez (Post 874039)
How do you hit peak boost at 5500 rpm and hold peak without building more boost to 7500? Is it becuase the recirc valve opens at 8 psi? Ive never seen a centrifugal setup hit peak boost before redline, usually they keep building pressure. If theres something I dont know (probably the case), is there a way to make a larger higher flowing compressor hit peak (8psi) boost even sooner and hold it to redline? Either way, thats pretty bad ***. Are the kits workable with the LTH yet? PSI/Power drops?
it has a lot to do the VVEl and the VE of the VQ37VHR engine, same blower on a VQ35HR is doing 14 psi and over 470RWHP .

Sam

SAM@GTM 12-31-2010 02:04 PM
Quote:
Originally Posted by One_Quick_Z (Post 874064)
Wow this is great results!


Any update on the 7AT issue?



DAN
I don't think there is any issues with the 7AT, driving habits has a lot to do with it .

Sam

SAM@GTM 12-31-2010 02:10 PM
Quote:
Originally Posted by RCZ (Post 874293)
Looks good. I gotta ask though, is this thing wastegated?? Whats with the boost tapering?
Not sure what are you seeing, It is making solid boost all the way to red line and even hitting 9 psi at times.

Sam

Buddy Revell 12-31-2010 02:47 PM
Quote:
Originally Posted by SAM@GTM (Post 874521)
I don't think there is any issues with the 7AT, driving habits has a lot to do with it .

Sam
Just out of curiousity, what habits should 7AT guys avoid that cause these issues?

Z eliminator 12-31-2010 03:47 PM
Do not drive like Shumby's wife.
Do not let your wife drive the car.

SAM@GTM 12-31-2010 03:52 PM
Quote:
Originally Posted by Z eliminator (Post 874613)
Do not drive like Shumby's wife.
Do not let your wife drive the car.
Here we go :bowrofl:

Sam

EL Diablo 12-31-2010 05:12 PM
Looks and sounds great. My interest is sparked.

Any idea if and when this SC will get a Carb Cert. ?

SAM@GTM 12-31-2010 05:19 PM
Customer opted to run test pipes on the car so we threw a set of the GTM resonated test pipes and went back on the dyno with the same tune same gas. Here are the results with some pics .

Better HP and torque and no effect on the tune, Also no rasp and it did not sound bad art all .


Staples 12-31-2010 09:34 PM
Sam, what was the outside temperature when you were making these runs?

Legz 12-31-2010 10:10 PM
Quote:
Originally Posted by SAM@GTM (Post 874521)
I don't think there is any issues with the 7AT, driving habits has a lot to do with it .

Sam
^^Agreed. 4th gear in the 7at will bring you to ~190km/hr already, there really isn't a need to juice the car with 5/6/7... Unless you're tracking, then why not get 6mt for tracking...

nixxer 01-01-2011 09:47 AM
Im curious to know if the 'VQ Hiss' is still there with SC setups. I know on TT setups its gone, but I just figured thats because there an impeller in the way acting as an accoustic modifier/ back pressure. Does the additional airflow and temperatures get rid of the hiss, or at least lessen it? Or, prehaps just as good, can you not tell because the SC sound and recirc valve is THAT awesome? :icon18:


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