Nissan 370Z Forum

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-   -   New long tube headers for our cars (http://www.the370z.com/intake-exhaust/96561-new-long-tube-headers-our-cars.html)

Super Werty 09-24-2014 11:47 PM

I bet it's 409ss

ZKraken22 09-25-2014 12:33 AM

Nice find. Get them Ethan. I'll help with installation

Jordo! 09-25-2014 01:43 AM

Agreed with the others who said this: those are the same (or damn close!) design as the PPE's, which are ******* awesome. They picked a good design to, er, mimic...

The claimed gain is the same too... but where are their dynos?

The only ways I could see the original PPE design improved on would be (1) Make out of titanium or some other uber-pricey and light metal and (2) experiment with the design further to minimize the slight low end torque dip while maintaining all the gains up top (very likely impossible without some sort of variable runner design).

As to TP's vs. LTH: Here is a(n imperfect) comparison between my 2010 370Z with resonated TP's and Nismo weldina (Y-pipe version) vs. my 2011 370Z with PPE LTH + Nismo take off (H-pipe version). Both runs are under nearly identical ambient conditions and both have K&N panel filters plus the smooth tubes and a tune.

Because these are technically two different vehicles (although, of course, same engine model and on the same exact dyno...), these results should be interpreted with caution -- but I think are informative, nonetheless.

http://www.the370z.com/members/jordo...pe-nismo-h.jpg

I think we can tentatively conclude that the PPE LTH + Nismo H-pipe set up is far superior up top (a whopping 13 or more whp), but a bit inferior down low (about 5 whp lost in a fairly narrow area).

synolimit 09-26-2014 12:46 PM

Here's my "ebay header". Only 13hp/17tq peak but over 20 each in the mid range. Best $350 spent so far.


http://i39.photobucket.com/albums/e1...ps65d85e9b.jpg

FPenvy 09-26-2014 12:58 PM

Quote:

Originally Posted by synolimit (Post 2979710)
Here's my "ebay header". Only 13hp/17tq peak but over 20 each in the mid range. Best $350 spent so far.


( Click to show/hide )

the ebay mods still cant crack the 300whp mark i see :stirthepot:

:wtf2:

synolimit 09-26-2014 04:24 PM

Well my highest was 295HP that day with no tune, with that header, my cbe and my cai and I don't cheat like everyone else. If I was on STD like Z1 and everyone else shows then I actually made 308 untuned :). Not bad for under $900 in parts.

ZKraken22 09-26-2014 06:56 PM

Quote:

Originally Posted by synolimit (Post 2979710)
Here's my "ebay header". Only 13hp/17tq peak but over 20 each in the mid range. Best $350 spent so far.


http://i39.photobucket.com/albums/e1...ps65d85e9b.jpg

Obx LTH?

synolimit 09-26-2014 07:21 PM

Quote:

Originally Posted by ZKraken22 (Post 2980058)
Obx LTH?

not sure. garageline here sold it to me and said it was a protype made for them. BS! its 100% the same as OBX. same with their CBE. its 100% made by TurboXS and they even use TXS pics on their site which TurboXS is made in China.

ZKraken22 09-26-2014 07:25 PM

Quote:

Originally Posted by synolimit (Post 2980090)
not sure. garageline here sold it to me and said it was a protype made for them. BS! its 100% the same as OBX. same with their CBE. its 100% made by TurboXS and they even use TXS pics on their site which TurboXS is made in China.

Think you've told me that before. You must have changed your profile picture.

FPenvy 09-27-2014 08:29 AM

Quote:

Originally Posted by synolimit (Post 2979932)
Well my highest was 295HP that day with no tune, with that header, my cbe and my cai and I don't cheat like everyone else. If I was on STD like Z1 and everyone else shows then I actually made 308 untuned :). Not bad for under $900 in parts.

with that many mods why wouldnt you tune is the better question?

just doesnt seem logical at all to have that many breather mods and not tune it for proper use of the mods. the ECU on the Z is awesome to where i can adjust itself but only to a certain point. probably doing more harm than good honestly.

plus a tune would have brought some nice numbers with those mods regardless of their brand name.....well maybe lol

and yes we all know the infamous Z1 dyno numbers to sell their parts. sorta like the one guy now saying he has 500hp NA with a 100 shot of nitrous :facepalm:

i do believe my dyno session was done on a dynojet as well. cant remember to be honest what dyno AAM uses off the top of my head.

synolimit 09-27-2014 11:57 AM

Quote:

Originally Posted by FPenvy (Post 2980398)
with that many mods why wouldnt you tune is the better question?

just doesnt seem logical at all to have that many breather mods and not tune it for proper use of the mods. the ECU on the Z is awesome to where i can adjust itself but only to a certain point. probably doing more harm than good honestly.

plus a tune would have brought some nice numbers with those mods regardless of their brand name.....well maybe lol

and yes we all know the infamous Z1 dyno numbers to sell their parts. sorta like the one guy now saying he has 500hp NA with a 100 shot of nitrous :facepalm:

i do believe my dyno session was done on a dynojet as well. cant remember to be honest what dyno AAM uses off the top of my head.

A CAI, CBE, and header is "that many mods?" To me it wasn't. I had more mods to do before a tune was needed. Besides I was still running rich so there was zero need for it. No danger at all.

It was logical to me. Again I had more mods to do and the car was running fine. Slightly rich, no knock, and I only dyno'd it that day to see the safety of the motor and we logged it. Turned out it was safe as hell so no need for further intervention. Even after my new CAI, ported TB's, ported upper and ported lower I ran it again before I got tuned and it was still running rich! Still zero knock! Still no issues. The car IS awesome and can adjust for everything so zero harm was done! At least on my 13. Maybe my ecu is smarter and faster than others. I know I don't have to reset the windows when the batteries unplugged.

Here's every single mod I have. Reds before the tune. New CAi that's 2.75" up from 2.5" except the MAF housing was stock size with Z1 post tunes, LTH, straight pipe CBE, ported TB's, ported upper and lower manifolds. Still running mid 11's with no knock.

http://i39.photobucket.com/albums/e1...ps46d1e01e.jpg


And here's what my tune got me that day leaning it out with a little more timing.


http://i39.photobucket.com/albums/e1...ps740a1423.jpg

FPenvy 09-27-2014 12:00 PM

Quote:

Originally Posted by synolimit (Post 2980478)
A CAI, CBE, and header is "that many mods?" To me it wasn't. I had more mods to do before a tune was needed. Besides I was still running rich so there was zero need for it. No danger at all.

It was logical to me. Again I had more mods to do and the car was running fine. Slightly rich, no knock, and I only dyno'd it that day to see the safety of the motor. Turned out it was safe as hell so no need for further intervention. Even after my new CAI, ported TB's, ported upper and ported lower I ran it again before I got tuned and it was still running rich! Still zero knock! Still no issues. The car IS awesome and can adjust for everything so zero harm was done! At least on my 13. Maybe my ecu is smarter and faster than others. I know I don't have to reset the windows when the batteries unplugged.

thats fine just me personally would rather be safe and tune it than maybe hurt something.

yours worked fine so power to you. well power to you at least, car however i mean a tune could break that 300whp barrier i'd hope :stirthepot: :bowrofl:

synolimit 09-27-2014 12:16 PM

Quote:

Originally Posted by FPenvy (Post 2980481)
thats fine just me personally would rather be safe and tune it than maybe hurt something.

yours worked fine so power to you. well power to you at least, car however i mean a tune could break that 300whp barrier i'd hope :stirthepot: :bowrofl:

Lol that's why I had it dynoed and logged. That was the safe thing to do. If it was lean and knocked the first run I'd of backed off, scheduled a tunning appointment and would of come back after driving like a grandma for a week.

The car is tuned now and is does.

zefaulter 09-28-2014 12:53 PM

It looks really cool but that's not important. Is the coating worth the extra cost?

synolimit 09-28-2014 08:55 PM

1 Attachment(s)
Quote:

Originally Posted by zefaulter (Post 2981088)
It looks really cool but that's not important. Is the coating worth the extra cost?

I've never seen one last. Chips off eventually. Just wrap it.


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