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Old 03-21-2017, 09:50 AM   #3
68gmsee
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Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
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Re: 235 timing cover blocked

Quote:
Originally Posted by Jemezcrusher View Post
... Just curious to see if anyone has seen this practice or if there is a valid reason to block these two holes off?
Never a good reason to block any oil passageways. I suspect the holes may have been inadvertently blocked with excessive use of silicone gasket sealant when trying to stop a leak.
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