Quote:
Originally Posted by algiorda
If there was synthetic oil, wouldn't the residue cover essential surfaces for the small time he ran it without oil?
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Debatable. Modern automotive lubricants are designed for very high temp and are thick (effective). You can test/rub two metal parts together for quite a long time! The problem here is the owner had "old oil". Old oil can run-off quite quickly leaving practically nothing to protect metal surfaces.
When load and rpm hits, heats immediately burns off the ineffective oil :/
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