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Pipes
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Name : Pipes
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manifold exhaust Empty
PostSubject: manifold exhaust   manifold exhaust EmptyThu Aug 16, 2012 6:05 pm

i was changing my exhaust manifold gaskets because rear one blow out. but when i loosened up alll the boltsa pulled it off there was no gasket on the front or rear manifold. did they come like that from the factory?
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manifold exhaust Empty
PostSubject: Re: manifold exhaust   manifold exhaust EmptyThu Aug 16, 2012 6:23 pm

I think so. A few of us have discovered no gaskets when the manis come off. Mine came with the gaskets, but it's a 1998 (series II SC), so they may have done it differently in '95. I'm sure there are Series I gaskets available for not much $. I'd find a set before reinstalling the new manifold.

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manifold exhaust Empty
PostSubject: Re: manifold exhaust   manifold exhaust EmptyThu Aug 16, 2012 7:46 pm

That actually used to be the norm. All the Buick engines in the late 60's-early 70's did not use exhaust manifold gaskets, and sealed perfectly well. Rebuilding one today, it's usually recommended to resurface first, unless you're going to use gaskets.

My 3800 had a gasket on the front.
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manifold exhaust Empty
PostSubject: Re: manifold exhaust   manifold exhaust EmptyFri Aug 17, 2012 8:55 am

yeah found gasket for 10 bucks but just noticed that there is a crack on the front manifold pipe. so taking both sides off so i could switch it outwith new one.
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