Forced Induction Superchargers | Turbochargers | Intercoolers

what caused this

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Old May 25, 2014 | 11:58 PM
  #21  
dezlfrek's Avatar
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thanks Steve. I looked around and the turbine seems fine, nothing stuck to it or missing. As far as the ring/piston it seems to moves around in the bore freely if you know what i mean. the piston doesnt seem to be stuck to the rings at all. I hope its ok.
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Old May 26, 2014 | 01:21 AM
  #22  
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Originally Posted by dezlfrek
timing has been the same at 20* after 12psi
Well there's your problem.
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Old May 26, 2014 | 05:55 AM
  #23  
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you better slide that piston out and check the rings sometimes the ring land cracks between the top ring and 2nd ring too. that looks like a lot of oil on the plug. what does the guide and stem look like on the valve.
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Old May 26, 2014 | 06:19 AM
  #24  
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Originally Posted by dezlfrek
thanks Steve. I looked around and the turbine seems fine, nothing stuck to it or missing. As far as the ring/piston it seems to moves around in the bore freely if you know what i mean. the piston doesnt seem to be stuck to the rings at all. I hope its ok.
You'd need to remove the turbine housing and inspect the wheel itself.

Any damage if any will be small though given the small pieces of metal missing.

But as above, the oil has come from somewhere, and it has come past the rings. But I hear ya that it looks as if they are ok from above.

It's just so difficult to say for sure, and removal is the only way.
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Old May 26, 2014 | 12:48 PM
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keep in mind it was driven for about 15 miles home after this happened at the track.. but ya you guys are right to have me inspect the piston and turbine.
thanks for the advise and insight..
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