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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 11-20-2012, 01:10 AM   #715
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I miss the Nameless Crew!!!

Coolest cats on the block, just wish they wouldn't spread themselves so thin that R&D times suffer.
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Old 11-20-2012, 02:07 AM   #716
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Quote:
Originally Posted by chanomatik View Post
Feel free to contribute by elaborating.
Short version: Cold shop air, blowing through a small orifice into a much larger un-sealed primary pipe reacts very differently than hot exhaust gas diffusing evenly into the primary.
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Old 11-20-2012, 08:14 AM   #717
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Quote:
Originally Posted by Calum View Post
That's harsher then was required. Even if the man is wrong, there's no need to be like that.

In the end, he was trying to make the point that the stock header doesn't scavenge very well, and I think he made it. A dynamic test may reveal something different, of course, but this is the best most of us could do with what we have on hand. I disagree with his conclusion as to why but that's why we have conversions.
Just a thought, and a little benefit of the doubt. Maybe his primary language isn't English and he didn't mean for it to come out harsh like that.
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Old 11-20-2012, 11:17 AM   #718
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Quote:
Originally Posted by Dimman View Post
Short version: Cold shop air, blowing through a small orifice into a much larger un-sealed primary pipe reacts very differently than hot exhaust gas diffusing evenly into the primary.
Thanks for making me save some time
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Old 11-20-2012, 02:52 PM   #719
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Quote:
Originally Posted by Dimman View Post
Short version: Cold shop air, blowing through a small orifice into a much larger un-sealed primary pipe reacts very differently than hot exhaust gas diffusing evenly into the primary.
Gotcha. I had that line of thought formulating, but it just seemed kind of rude to state that it seemed "obvious" when it apparently wasn't. Forums are for discussing and I always hate it when things are "explained" with an authoritative finality when most of us have no clue about the poster's credentials.

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Old 11-20-2012, 08:37 PM   #720
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Haven't checked this thread in ages; is it out yet?
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Old 11-20-2012, 08:44 PM   #721
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Originally Posted by OrbitalEllipses View Post
Haven't checked this thread in ages; is it out yet?
Testing versions 4 and 5. Jason is looking into using 321 stainless, too.

(for those who are unfamiliar, I would suggest the following link: http://www.burnsstainless.com/stainlesssteel.aspx )
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Old 11-20-2012, 08:53 PM   #722
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321? For a turbo manifold that makes perfect sense. For NA power that seems like unneeded expenses passed along to the consumer. I doubt we'll see cracking from heat; though I haven't looked at EGTs on this engine.
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Old 11-20-2012, 09:01 PM   #723
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321? For a turbo manifold that makes perfect sense. For NA power that seems like unneeded expenses passed along to the consumer. I doubt we'll see cracking from heat; though I haven't looked at EGTs on this engine.
Has much higher fatigue (vibration is a major cause) resistance at high temp. Plus their first designs have no flex sections. Also supercharger usefulness, or if they use it as a base for later turbo setup?

But he didn't actually say what it was for, just that he picked some up. STI manifolds even? It's probably just R&D, and given the direction the forum majority seems to be going, excessive. But it is the 'right' way to do things.
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Old 12-28-2012, 09:31 AM   #724
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Bump for the awesome guys at Nameless. We want your header!
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Old 12-28-2012, 10:53 AM   #725
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Old 12-28-2012, 03:19 PM   #726
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I have their axleback and love it!

Dimmann, if Jason wants me to measure the EGT in a closed loop for header temps, I can do so to see if this would be necessary. I agree though, I think the header would be overkill for most applications. On a side note, I may have to see what EGT we would see with having this and the avo kit. I was told that this header may be able to be used with this kit.
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Old 12-30-2012, 01:08 AM   #727
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Quote:
Originally Posted by WingsofWar View Post
I miss the Nameless Crew!!!

Coolest cats on the block, just wish they wouldn't spread themselves so thin that R&D times suffer.
I come back here to check every once in awhile to see if they have come back yet...
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Old 12-30-2012, 08:23 PM   #728
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I think they're working on some upgrades to their shop right now. Last I talked to them they said they may have more come late Jan Feb.
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