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Generation III Internal Engine
3.905 Gaskets?

Generation III Internal Engine 1997-2006 LS1 | LS6

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3.905 Gaskets?

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Dec 28, 2005 | 05:57 PM

#1

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3.905 Gaskets?

Which are the proper gaskets for a 3.905 bore? I've read numerous threads and got different answers. I've read that the GM MLS gaskets will be fine but others say that if your going with a factory gasket you should go with a 6.0 head gasket. How thick are the 6.0 gaskets compressed? Will they work on a 98 LS1 with a 3.905 bore? If not which cometic gaskets do I go with, the 3.905 bore or the 3.910 bore?

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Dec 28, 2005 | 06:02 PM

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MLS gaskets will be fine.

Shawn

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Dec 28, 2005 | 07:05 PM

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which MLS, 5.7 or 6.0?

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Dec 28, 2005 | 08:04 PM

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I think the 12498544 number is the only GM MLS gasket available. I don't think there is a 6.0l specific MLS gasket available.

Shawn

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