| Turbo System Tech Turbos, Intercooling, Boost Control, Wastegates, etc.
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08-11-2006, 01:14 PM
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#61 (permalink)
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Proven Member
From: San Leandro, California
Registered: Jul 2002
Posts: 1,105
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I know a lot of you guys have been waiting for an update on this, and I finally have one for you.
Turbo is done for. I see this kind of failure for the first time in my DSM life. A retaining nut came off the shaft and detached compressor wheel from the shaft. I'm stil yet to find the nut, but I assume it got stuck on GM MAFT mesh screen, or inside compressor housing. Either way , it's not pretty. I'll have some pics later.
As for the OBX manifold, surprizingly enough, it didn't crack, and the rest of the turbo kit is still intact and functioning fine.
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Paul.
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08-11-2006, 01:24 PM
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#62 (permalink)
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From: San Francisco, California
Region: NorCal
Registered: Dec 2004
Posts: 638
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wouldnt it hit the fmic before it got to the gm maf?
Did he ever take it to fftec to get dyno'd or no?
I hope this doesnt delay the work on my car for too long! 
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-Danny
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08-11-2006, 01:26 PM
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#63 (permalink)
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Proven Member
From: San Leandro, California
Registered: Jul 2002
Posts: 1,105
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Well, here it is.
Owner already has new 60 trim and cast manifold lined up for the car, so I will rip that ebay turbo apart to see if I find more intersting stuff.
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Paul.
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08-11-2006, 01:29 PM
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#64 (permalink)
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Proven Member
From: San Leandro, California
Registered: Jul 2002
Posts: 1,105
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Quote:
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Originally Posted by T9S1i
wouldnt it hit the fmic before it got to the gm maf?
Did he ever take it to fftec to get dyno'd or no?
I hope this doesnt delay the work on my car for too long! 
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Never made it to the dyno unfortunately. I tried to get him to do it, but it's his decision.
I plan to have that turbo swap done by monday/tuesday, so I shouldn't get in a way of your build. And yes, you're right, it probably got stuck somewhere in the FMIC, if it ever cleared comp. housing.  , although it's weird to see that blades aren't damaged.
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Paul.
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08-11-2006, 02:00 PM
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#65 (permalink)
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From: Moses Lake, Washington
Region: NorCal
Registered: Apr 2005
Posts: 658
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Sorry to hear that happened. Do you know how long the nut has been off, has it been driven quite a bit like that, or did you know right when it happened?
Any proximate/direct damage result to any other components beside the turbo itself?
I don't know that it matters much how much it would have dynoed?
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08-11-2006, 02:10 PM
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#66 (permalink)
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From: vero beach, Florida
Region: Southeast
Registered: Dec 2004
Posts: 702
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update on mine as well, my pacesetter header cracked all around the #1 runner in the collector, so i ported a 2g and swapped them, and my car spools alot faster and seems to hold boost better, which leads me to think maybe it was cracked longer then i thought or in more then 1 place, or maybe it just sucked 
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brian-16g -powered-90 gsx
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08-11-2006, 04:08 PM
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#67 (permalink)
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From: Berlin, Connecticut
Registered: Jan 2006
Posts: 126
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hmm
for future referance, before you install a ebay turbo would some threadlocker solve this problem?
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08-11-2006, 04:53 PM
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#68 (permalink)
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From: Arlington, Texas
Region: Southwest
Registered: Oct 2002
Posts: 1,063
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Quote:
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Originally Posted by bushy
hmm
for future referance, before you install a ebay turbo would some threadlocker solve this problem?
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The geniouses at XSPower probably used a clockwise tightening bolt on a clockwise spinning compressor.
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-Andrew Pynckel
2.3L GT3582R HTA Powered!
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08-11-2006, 06:00 PM
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#69 (permalink)
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Proven Member
From: Winston - Salem, North Carolina
Region: Mid Atlantic
Registered: May 2002
Posts: 265
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Quote:
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Originally Posted by bushy
hmm
for future referance, before you install a ebay turbo would some threadlocker solve this problem?
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You would not be putting thread locker in the turbo cause it comes put together already and should be done right when you get it in the 1st place ...using thread locker on the Manifold bolt's , 02 housing bolts and turbo bolts yes.......
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95 GST
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08-11-2006, 06:07 PM
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#70 (permalink)
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From: State College, Pennsylvania
Region: Tri State
Registered: May 2004
Posts: 363
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Quote:
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Originally Posted by GSTeclipse
easy , easy he's New .........Got to learn somewhere what better place then this right ? 
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On a completely OT note, I don't see why everyone is sackriding these welds. The routing/setup is good, looks like a nice concept, but the welds look chunky, like the guy dripped. It's not even pressed around the pipe... I dunno, I mean, I've seen a lot worse... but they're meh.
Last edited by endlessMyk : 08-11-2006 at 07:13 PM.
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08-11-2006, 06:18 PM
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#71 (permalink)
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Proven Member
From: San Leandro, California
Registered: Jul 2002
Posts: 1,105
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Quote:
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Originally Posted by bushy
hmm
for future referance, before you install a ebay turbo would some threadlocker solve this problem?
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Threadlock is not an option. The turbo comes assembled and balanced. Removing that nut will throw it off balance, and it would have to be professionally rebalanced.
No other damaged has been caused by the failure as far as I can tell at this point. However, I still need to tear it down to confirm.
Turbo lasted about 6K miles, but there where hard miles, at 24+ psi at times. Nut came off about a two weeks ago, at wich point the car was parked.
As for the dyno estimates, for what it's worth, it felt like around 340hp to me (compared to similar setups that have been dynoed, that I drove)
on a side note, I looked around at other XSpower turbo retailers, and then now claim that particular turbo to be efficient between 8-14psi, which obviously doesn't make sense given the dimensions the turbo, aside from the fact, that it kept making more power above 20psi. It looks like that 'efficiensy' range was added into the description to deal with all the warranty claims IMO.
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Paul.
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08-11-2006, 07:32 PM
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#72 (permalink)
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Proven Member
From: Detroit Area, Michigan
Region: Midwest
Registered: Oct 2004
Posts: 987
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Quote:
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Originally Posted by bushy
hmm
for future referance, before you install a ebay turbo would some threadlocker solve this problem?
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Guys, don't leave this thread thinking the only problem with ebay china turbos is the nut comes off. Anything can and WILL happen, this is just one of multiple possibilites.
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08-12-2006, 06:20 AM
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#73 (permalink)
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From: Berlin, Connecticut
Registered: Jan 2006
Posts: 126
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Quote:
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Originally Posted by Newlogics
Threadlock is not an option. The turbo comes assembled and balanced. Removing that nut will throw it off balance, and it would have to be professionally rebalanced.
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Thank you for your educated answer as opposed to a jerk ass comment.
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08-12-2006, 01:35 PM
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#74 (permalink)
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Proven Member
From: San Leandro, California
Registered: Jul 2002
Posts: 1,105
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Quote:
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Originally Posted by Stapl3
Guys, don't leave this thread thinking the only problem with ebay china turbos is the nut comes off. Anything can and WILL happen, this is just one of multiple possibilites.
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That's what it seem like. Other people have been reporting other problems, and they're all different, so it's a really hit-or-miss with those turbos. It doesn't seem like there is one thing you can fix and have yourself a good turbo.
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Paul.
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08-12-2006, 02:40 PM
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#75 (permalink)
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From: Arlington, Texas
Region: Southwest
Registered: Oct 2002
Posts: 1,063
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Quote:
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Originally Posted by Newlogics
That's what it seem like. Other people have been reporting other problems, and they're all different, so it's a really hit-or-miss with those turbos. It doesn't seem like there is one thing you can fix and have yourself a good turbo.
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More like miss-or-miss, just how far away the swing is from the ball.
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-Andrew Pynckel
2.3L GT3582R HTA Powered!
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08-14-2006, 09:25 AM
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#76 (permalink)
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Proven Member
From: Elizabethtown, Kentucky
Region: Midwest
Registered: Jun 2003
Posts: 463
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I used to have a XS power t04b V-trim.. with a .58 a/r t4 exhaust side..
from 6,000 - 8,000 rpms it held a steady 48 lbs/min airflow on dsm link. and was rather hard to keep in a straight line in thrid gear.
it lasted abut 5,000 miles before it started blowing oil by REALLY bad and I had to take it off.
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08-14-2006, 10:46 PM
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#77 (permalink)
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DSM Wiseman
From: Central, New Jersey
Region: Tri State
Registered: Jul 2003
Posts: 4,955
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Is that comment really necessary? Do you know what the purpose of this "trial" is for? Don't make stupid comments like that if you haven't read the thread.  This is for EDUCATIONAL purposes (of course at the owners expense). Most people talk about how eBay kits suck (or dont' suck) and newlogics and his client are here to show us how it is.
I'm glad to hear that a new 60 trim and cast manifold are going on the car.  What type of 60 trim are you speaking of? is it a PTE or something of the like or another eBay turbo?
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~Tom
1995 TSi AWD - BB5031RE
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08-14-2006, 10:48 PM
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#78 (permalink)
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DSM Wiseman
From: Central, New Jersey
Region: Tri State
Registered: Jul 2003
Posts: 4,955
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Quote:
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Originally Posted by Newlogics
although it's weird to see that blades aren't damaged.
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That's another thing that amazed me as well. very strange, I was ready to see some real carnage after reading what you posted 
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~Tom
1995 TSi AWD - BB5031RE
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08-15-2006, 12:16 AM
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#79 (permalink)
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Proven Member
From: orinda, California
Region: NorCal
Registered: Feb 2005
Posts: 1,952
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I took a peak at it today while I was dropping my car off, honestly, If I didn't know any better, I would say someone flat out forgot to put it on in the first place, lol.
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08-15-2006, 06:29 AM
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#80 (permalink)
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Proven Member
From: chicago, Illinois
Registered: Feb 2004
Posts: 1,405
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Big companies like turbonetics and garrett better hope that whatever problems these chinese made turbos have aren't fixed by their manufacturers. If they are fixed, now you'll have a cheap and relaible turbo instead of just cheap, and that will start putting them in the hole big time! THank you for conductinmg this experiment for us to see.
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