05-11-2019, 10:00 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,415
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Not Ranked
Factory blocks are not drilled through. We normally don't have issues with factory stuff. The aftermarket stuff can be challenging. The BBM blocks have holes that have been drilled too deep and the older Pond blocks aren't drilled deep enough.
You probably have a fitting that leaks, or a spot where the gasket is not intact.
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