Gasket for turbo elbow? - Page 2 - EvoXForums.com

mac11wildcat · 01-04-2013, 04:39 PM

It's most likely due to material and craftsmanship. That isn't a big stress area. No welds or anything.

My guess is material flaws/internal stress with the addition of stress/weakening from high heat and cycling.

Sent from my iPhone using AutoGuide.com App

Ttsumibishi · 01-04-2013, 04:45 PM

Unless it began to split deep inside at the weld, which pulled apart and put stress on the materials successively above it. It is a much more narrow piece of the area, so a lot less strength. If anything was to crack it would be right about there.

Also notice what looks like a bulge in the metal. It's possible the heat in this small surface area section was too great, and something bizarre happened to the material on the flange, which caused expansion at that small point which ended up causing the flange and material below it to crack.

Huh...interesting

mac11wildcat · 01-04-2013, 04:49 PM

Quote:

Originally Posted by Ttsumibishi

Unless it began to split deep inside at the weld, which pulled apart and put stress on the materials successively above it. It is a much more narrow piece of the area, so a lot less strength. If anything was to crack it would be right about there.

Also notice what looks like a bulge in the metal. It's possible the heat in this small surface area section was too great, and something bizarre happened to the material on the flange, which caused expansion at that small point which ended up causing the flange and material below it to crack.

Huh...interesting

Im guna go with material defect...unfortunately they happen.

Ttsumibishi · 01-04-2013, 04:53 PM

Well yeah, due to material defect.

Material science is cool. I should've done that instead.

Ok, no I shouldn't've. I like my pay grade lol.

mac11wildcat · 01-04-2013, 04:55 PM

Quote:

Originally Posted by Ttsumibishi

Well yeah, due to material defect.

Material science is cool. I should've done that instead.

Ok, no I shouldn't've. I like my pay grade lol.

Haha the good ones make a significant amount of money. Just takes a while to get there. kind of like trying to be accepted as competent and knowledgable on these forums...

ive got a Met engineer sitting next to me, hold on.

mac11wildcat · 01-04-2013, 04:58 PM

He says we're idiots for speculating.

Would need to see the crack itself to find the beginning and the propogation of the crack as well as if it was a brittle crack or not.

Ttsumibishi · 01-04-2013, 05:02 PM

Tell him his face is a brittle crack.

Just kidding. It's fun to speculate.

Ken-X · 01-06-2013, 08:31 AM

Thanks for the comments guys, waiting on my tuner to get a response from UR!
In the meantime I've bought this:

Hand made in the UK by the best exhaust fabricator we have!

HappyMint · 01-06-2013, 02:44 PM

That looks nice, but are my eyes deceiving me? Does it taper to 2.5" at the bottom there?

spikester603 · 01-06-2013, 02:56 PM

Quote:

Originally Posted by HappyMint

That looks nice, but are my eyes deceiving me? Does it taper to 2.5" at the bottom there?

no the C-Tec DP is a 3" all the way.

01-04-2013, 04:39 PM	#11
mac11wildcat [Local Team Member] Join Date: Aug 2012 iTrader: (0) Location: Wilmington, MA Posts: 5,006	It's most likely due to material and craftsmanship. That isn't a big stress area. No welds or anything. My guess is material flaws/internal stress with the addition of stress/weakening from high heat and cycling. Sent from my iPhone using AutoGuide.com App __________________ TWM\|Torque\|Works\|AMS\|HKS\|Lou's\|Grimspeed\|UR\|SSP\|TiaL\|Tomei

01-04-2013, 04:58 PM	#16
mac11wildcat [Local Team Member] Join Date: Aug 2012 iTrader: (0) Location: Wilmington, MA Posts: 5,006	He says we're idiots for speculating. Would need to see the crack itself to find the beginning and the propogation of the crack as well as if it was a brittle crack or not. __________________ TWM\|Torque\|Works\|AMS\|HKS\|Lou's\|Grimspeed\|UR\|SSP\|TiaL\|Tomei

01-06-2013, 02:44 PM	#19
HappyMint Forum Lackey Join Date: Apr 2010 iTrader: (100) Location: Charleston, SC Posts: 4,668	That looks nice, but are my eyes deceiving me? Does it taper to 2.5" at the bottom there? __________________ Sponsored by Hoover Mitsubishi My Blog: http://mancemotorsports.com Build thread with lots of vids: My Dumb (don't read me) build thread BB FP Red. 438whp / 377wtq Self-Tuned. RIP Possum 6/22/2012 Killed by an Evo in the pursuit of horsepower.

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01-04-2013, 04:45 PM	#12
Ttsumibishi [Detailing Moderator] [Local Team Mod] [Bone Closet Mod] [NEEvo President] Join Date: Feb 2008 iTrader: (100) Location: Boston Posts: 18,988	Unless it began to split deep inside at the weld, which pulled apart and put stress on the materials successively above it. It is a much more narrow piece of the area, so a lot less strength. If anything was to crack it would be right about there. Also notice what looks like a bulge in the metal. It's possible the heat in this small surface area section was too great, and something bizarre happened to the material on the flange, which caused expansion at that small point which ended up causing the flange and material below it to crack. Huh...interesting

01-04-2013, 04:53 PM	#14
Ttsumibishi [Detailing Moderator] [Local Team Mod] [Bone Closet Mod] [NEEvo President] Join Date: Feb 2008 iTrader: (100) Location: Boston Posts: 18,988	Well yeah, due to material defect. Material science is cool. I should've done that instead. Ok, no I shouldn't've. I like my pay grade lol.

01-04-2013, 05:02 PM	#17
Ttsumibishi [Detailing Moderator] [Local Team Mod] [Bone Closet Mod] [NEEvo President] Join Date: Feb 2008 iTrader: (100) Location: Boston Posts: 18,988	Tell him his face is a brittle crack. Just kidding. It's fun to speculate.

01-06-2013, 08:31 AM	#18
Ken-X Just Spooling Up Join Date: May 2011 iTrader: (0) Location: Bristol, UK Posts: 419	Thanks for the comments guys, waiting on my tuner to get a response from UR! In the meantime I've bought this: Hand made in the UK by the best exhaust fabricator we have!

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