There could be top end or bearing damage if the oil lines were not flowing oil as they should. The noise could be a wiped camor something in the top end that is fed by the oil lines and was starved of oil when the lines were clogged and got damaged. Check the oil for metal particles as this will tell you if there is engine damage if there are any present.
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Friday, November 2nd, 2012 AT 10:33 AM