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Madsimilius
 
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Join Date: Nov 2012
Location: Norway
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I this a normal k29 ?

Is there any difference in the k29 compressors? I've seen several different designs on it but non exactly like mine? It's a K27/29 turbo and i just took it out to give it a rebuild.

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911sc, 3.1, ported 40mm, cams and titanium retainers, carrera 3,2 intake, ms3x, k27/k29, full exhaust,
Old 03-13-2014, 06:18 AM
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Madsimilius
 
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I'm also wondering if there is a better compressor wheel for it? Maybe i can mod it when i already have it out?
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911sc, 3.1, ported 40mm, cams and titanium retainers, carrera 3,2 intake, ms3x, k27/k29, full exhaust,
Old 03-13-2014, 06:26 AM
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No, that is not a normal K29. This is what they usually look like:



(Ignore the missing compressor nut, this turbocharger decided to eject it on the dyno...)

Here is a close up of what the compressor usually looks like:



I've never seen one like yours. Is the usual K29 compressor better? Maybe, it depends on your wheel's specifications and how much boost you are running.
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Old 03-13-2014, 11:33 AM
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Rocket Scientist
 
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Why don't you post the info on the data plate?
Old 03-13-2014, 01:03 PM
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Because neither of those is a regular K29.

Top photo = Ruf "Grosse K27" from a 3.4L BTR, unique turbine wheel, unique number. Total oddball, parts are long since NLA.

Lower photo = K27 with comp cover modified to accept a regular K29 comp wheel, so the numbers on the tag are irrelevant.
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Old 03-13-2014, 02:14 PM
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I so respect the expertise on this forum!


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Old 03-15-2014, 06:45 AM
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Every tuner shop has their version of a hybrid turbo. The info plates are typically left intact from the donor turbo leaving a mystery for the rebuilder or any susequent owner. We typically scrap everything but the correctly numbered housings and rebuild to spec with new KKK/BW parts.
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Old 03-15-2014, 07:55 AM
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Madsimilius
 
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Ok, i thought it would be fun to find out. I searched the number on the turbo housing and all i could find was that it was mentioned with volvo marine and diesel :P I'm guessing it might be from a diesel boat engine then.
Im running 1.2 bar and have full boost at about 3800 rpm on a 3.1 sc engine with 3.3 mahle c&ps
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Old 03-16-2014, 05:48 PM
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