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Old Oct 5, 2025 | 06:53 PM
  #16  
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Porschetech3
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No metal debris in oil filter or Sump are good signs it is not self destructing ...

I would never condemn an engine if it ran smooth, has good power,not using oil or smoking,(blow-by) ,and is not self destructing ....

Do you have a UOA ??

On some noises a 4ft long 3/8 rubber hose is more useful than a Stethoscope for locating noise ......
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Old Oct 5, 2025 | 07:13 PM
  #17  
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SimJen
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Could it be a broken dual mass flywheel spring or something similar?
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