Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Forced Induction (http://www.the370z.com/forced-induction/)
-   -   GTM SC installs reviewed (http://www.the370z.com/forced-induction/23849-gtm-sc-installs-reviewed.html)

theDreamer 11-11-2010 10:53 AM
I believe I am the only one running LTHs currently, I believe a few have HFC.

Z1804 11-11-2010 10:55 AM
Quote:
Originally Posted by theDreamer (Post 805557)
I believe I am the only one running LTHs currently, I believe a few have HFC.
What's the performance difference between the two?

RCZ 11-11-2010 12:59 PM
^ good luck getting even a remotely accurate answer.

toner123 11-11-2010 02:12 PM
Quote:
Originally Posted by RCZ (Post 805754)
^ good luck getting even a remotely accurate answer.
:inoutroflpuke:

We all have been waiting for the answer to that question
Frank

Jordo! 11-11-2010 03:10 PM
Quote:
Originally Posted by Z1804 (Post 805558)
What's the performance difference between the two?
Looking at posted dynos, it looks like LTH's, which eliminate the cat, tend to make about 2-3% more power from baseline than test pipes.

That translates into 6 - 8 more whp than TP's alone... I could be a bit off, but I think that's about right.

Q8y_drifter 11-11-2010 03:51 PM
Quote:
Originally Posted by Buddy Revell (Post 805547)
^However, CGMobile says it's happening with the VQ35HR kit too which only has a single intake I believe.
Only on the 350Z HR. G sedan uses dual intakes as well.

christian370z 11-11-2010 03:59 PM
Quote:
Originally Posted by Jordo! (Post 805970)
Looking at posted dynos, it looks like LTH's, which eliminate the cat, tend to make about 2-3% more power from baseline than test pipes.

That translates into 6 - 8 more whp than TP's alone... I could be a bit off, but I think that's about right.
Wait, I thought people were losing a bit of power with LTHs on SC'ed Z?

toner123 11-11-2010 04:19 PM
Quote:
Originally Posted by christian370z (Post 806086)
Wait, I thought people were losing a bit of power with LTHs on SC'ed Z?
From my understanding people are losing power with the LTHs. If they were gaining power people would not be holding back dyno info. I also remember shumby was losing power and thats why he went back to the stock ones. Maybe I am confused but I am pretty sure of it.
Frank

shumby 11-12-2010 01:22 AM
^^^ yes I was . i went back to stock headers and cats. Will but the LTH's back on when Sam gets it all streight on dreamers car. ( oh and once i get my transmission replaced)

CGMobile370Z 11-12-2010 07:37 AM
Quote:
Originally Posted by Buddy Revell (Post 805547)
^However, CGMobile says it's happening with the VQ35HR kit too which only has a single intake I believe.
On the VQ35HR GTM S/C kits the fluttering sound seems alot more noticable on the G35 which has the dual air filter intake setup, the 350Z has the single air filter intake and it sounds like the fluttering is only during shifts.


YouTube - GTM 350Z HR STAGE 1 SUPERCHARGER KIT 500HP-ROTREX C38 GTM SPEC

FINAL PICS :: Produce_7.mp4 video by GTMPOWER - Photobucket

Jordo! 11-12-2010 04:52 PM
Oh, sorry -- that was dumb of me -- was basing that on N/A dynos I have looked at.

That said, I'm surprised that people are losing power with a blower and headers... that doesn't quite make sense.

Even if you are making less boost, given the same S/C output, boost is just a measure of restriction, and better flow generally means more power. Tune issue maybe?

Jordo! 11-12-2010 04:53 PM
Quote:
Originally Posted by shumby (Post 806658)
^^^ yes I was . i went back to stock headers and cats. Will but the LTH's back on when Sam gets it all streight on dreamers car. ( oh and once i get my transmission replaced)
Shumby, any upates one what exactly failed in the trans and why?

shumby 11-12-2010 04:57 PM
^^^ no not yet as it is still on the car. Should be gettign chsnged out this week or next week. then it will be sent to Sam at GTM and we will know more then. I'll keep you all posted but it will be a long time.

weiboy718 11-12-2010 05:17 PM
Quote:
Originally Posted by shumby (Post 807696)
^^^ no not yet as it is still on the car. Should be gettign chsnged out this week or next week. then it will be sent to Sam at GTM and we will know more then. I'll keep you all posted but it will be a long time.
No crap! Looks like you're stuck on the rig again haha.

shumby 11-12-2010 05:20 PM
^^^ why are you ignoring me on AIM?


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