Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
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-   -   Boosted Performance single turbo build (http://www.the370z.com/forced-induction/52577-boosted-performance-single-turbo-build.html)

binary0x01 11-05-2012 10:02 PM

I might turbo the Z at some point, hoping this option works for people...

Eto Kurto!!

GaleForce 11-05-2012 10:53 PM

Quote:

Originally Posted by Mitco39 (Post 2002238)
Thanks, I just google'd free file hosting and went with one of the first ones.

Just trying to help :tiphat:

Nixlimited 11-06-2012 10:54 AM

Car sounds awesome!

Mitco39 11-06-2012 11:24 AM

Thanks Nix,

I love it, very deep down low and winds out nicely, not to loud at idle just a deep rumble. Cant wait to hear what it sounds like under a WOT shift.

SS_Firehawk 11-08-2012 12:56 PM

Sent a PM a while back. Lost a lot of my mail. Is that jig ready for the stock type exhausts?

Boosted Performance 11-08-2012 01:09 PM

Quote:

Originally Posted by SS_Firehawk (Post 2006737)
Sent a PM a while back. Lost a lot of my mail. Is that jig ready for the stock type exhausts?

Never got a PM regarding that...but yes, the stock exhaust hook-up is now available.

SS_Firehawk 11-08-2012 01:37 PM

Resent. When will you start your line with those?

Boosted Performance 11-08-2012 04:07 PM

Quote:

Originally Posted by SS_Firehawk (Post 2006805)
Resent. When will you start your line with those?

That is a simple change, and it is available now. The entire kit stays the same, including the first down pipe that attaches to the turbine housing, as well as the recirc pipse. Insted of the Y-section that comes with/for the F.I exhaust you get a sinle 3" pipe.

edub370 11-08-2012 04:09 PM

on the flutter sound, or compressor surge.. whatever u wanna call it, people can only theorize that this is bad... however, u will NEVER find a case of a turbo failing because of it. slowing down the turbo doesn't hurt anything any more than coming out of boost does...

if someone can find a case of that causing turbo failure, i will eat my own hand

Mitco39 11-08-2012 04:22 PM

Quote:

Originally Posted by edub370 (Post 2007020)
on the flutter sound, or compressor surge.. whatever u wanna call it, people can only theorize that this is bad... however, u will NEVER find a case of a turbo failing because of it. slowing down the turbo doesn't hurt anything any more than coming out of boost does...

if someone can find a case of that causing turbo failure, i will eat my own hand


Through my research after this was pointed out it seems that a bit of flutter is ok. Its when you get to much of a delay in the valve opening do you really start to stress the turbo. Its the fact that the boost is very low when the flutter occurs, under high boost I think you would have some issues.

Boosted Performance 11-08-2012 04:30 PM

Quote:

Originally Posted by edub370 (Post 2007020)
on the flutter sound, or compressor surge.. whatever u wanna call it, people can only theorize that this is bad... however, u will NEVER find a case of a turbo failing because of it. slowing down the turbo doesn't hurt anything any more than coming out of boost does...

if someone can find a case of that causing turbo failure, i will eat my own hand

This is very true, and only happens during light decelerations. If you were to go WOT and shift you would not have this at all. Light decel will cause the flutter because you are not going to deep vacuum and the BOV does not open up right away. I have driven a few TT Z's as well, and can duplicate the sound in the audio clip heard here.

Quote:

Originally Posted by Mitco39 (Post 2007026)
Through my research after this was pointed out it seems that a bit of flutter is ok. Its when you get to much of a delay in the valve opening do you really start to stress the turbo. Its the fact that the boost is very low when the flutter occurs, under high boost I think you would have some issues.

Correct as well. In order to have the BOV open fully the spring has to be overcome. If the spring is rated to at -18hg, and you shift at -10hg, there will be some flutter, naturally since the BOV did not open right fully.

Dzel 11-08-2012 09:00 PM

Sasha still waiting on full price with FI 3" exhaust please. And the price for the 3" outlet alone.

Boosted Performance 11-08-2012 09:33 PM

Quote:

Originally Posted by Dzel (Post 2007392)
Sasha still waiting on full price with FI 3" exhaust please. And the price for the 3" outlet alone.

Sorry, I never got a PM regarding this (at least one that I cand find). I am assuming you asked somewhere in this thread, and I missed/forgot about it.

Will get back to you on the dual 3" and I assume a 3" cutout?

Dzel 11-09-2012 05:00 AM

10-4

Boosted Performance 11-11-2012 05:14 PM

1..2...3..ya, that's 6 of them:

http://i137.photobucket.com/albums/q...2675263386.jpg

It has been a long couple of days. About 20 hours in to these 6 manifolds, and they are about 1/2 way done. Now I need to setup the back purging station (oxygen inside the pipes displaced by argon for a clean weld on the inside) and then go to town. Each manifold will take about 1.5h to weld. Once that is done they go back in the jig, and the last couple of pieces get welded, so the header flanges can be attached. After that, the waste gate tubes and O2 sensor bungs. I plan on doing one per day next week. There is 24 welds per manifold, plus 2 O2 sensor bungs...so it's a bit of work still left to do.

In the mean time, tomorrow will be spend working on the recirc tubes, and hopefully I have time to weld up a down pipe or two. See how things go I guess.


Also, still have one kit without a name on it.


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