Non Pontiac Motors in Pontiacs includes factory 403,305,350 Chevy, Buick V6,
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Old 04-09-2009, 07:32 AM
Malibu Malibu is offline
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I was thinking the back of the intake myself. Just like mentioned above I do not use the skinny rubber gaskets for the front or back of the intake. Instead a use a bead a sealant and pay special attention to the corners.

Sometimes the use of crappy cheap aftemarket valve covers can cause leaks too.

Also verify no oil pressure gauge nylon lines aren't causing the leak.

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Old 04-09-2009, 09:54 PM
4dblnkldude's Avatar
4dblnkldude 4dblnkldude is offline
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The leak is actually coming from where the head meets the block, down by the exhaust port. Its coming from nowhere near the intake. It is not pressurized, just running out. I think it may have something to do with the head gasket that was used. The gasket was .058 compressed, a bit thick, so I geuss we'll try retorqing first, and if the heads need to come off then so be it. Thanks for your replies.

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