turbine wheel wear?

jamesl

elbows deep
Joined
Jun 20, 2006
Messages
1,322
i pulled one of my turbo's off the shelf for inspection tonight and come across this on the turbine wheel:

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the cuts are uniform around the entire wheel and are perfectly smooth. did the wheel come like this or has it ingested something? all other ones i have are a flat edge except for one bad one that has jagged cuts in the wheel. i have searched hi and low for images of turbine wheels and can find none that look like this one. if it is damage then can it be still run in its current state?

thanks,

James
 
That's interesting, may be some sort of clip done?
Clean it good and look for machine marks then run it.
 
I believe you've found the long sought and seldom found batmo turbine wheel.
 
What are the specs on that wheel? I have a bore-less turbine wheel that looks similar, but not certain.
 
Scrap metal. That is heat damage, see the pitting around the leading edges where the metal was starting to bubble/deform.
 
paperweight, you got it apart, time for a nice new, maybe even a billet piece.
 
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