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Integra DB9
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Discussion Starter · #1 ·
While working on his ATR engine (h22a7), Jan found some unwanted aliens in the sump. They appear to be made of aluminium alloy.
Any ideas?

Textile Sleeve Beige Wood Pattern
 

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Brokedick Millionaire
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40,798 Posts
See if too long of a bolt punched through. I see this on transmission cases all the time.
 

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Integra DB9
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Discussion Starter · #4 ·
I believe it's the wrong material for a valve seal. Also, there's no through hole, just a countersink like a drill point or centering on a lathe.

We think the culprit might be an aftermarket oil filler cap shedding its bits:

 
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