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Old 07-17-2013, 10:02 AM   #4909
Mr Twisty

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Join Date: May 2008
Location: OK
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Originally Posted by strych9 View Post
The engine block is aluminum. Small cast iron parts could be piston ring fragments, lifter bits and pieces, cam material, crankshaft material, oil pump material, etc. Not the block or heads, though.
That's why I like oil analysis, may not tell you why, but definitely tells you what is deteriorating. Great diagnostic tool.
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