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Generation III Internal Engine 1997-2006 LS1 | LS6
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valve sizes

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Old Mar 1, 2007 | 11:38 PM
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Default valve sizes
was wondering what the maximum valve size is for stock bore LS1? am cylinder head shopping now and i know there is a limit. any help appreciated.
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Old Mar 1, 2007 | 11:39 PM
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2.08/1.60 is what is going to fit the chamber....
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Old Mar 2, 2007 | 10:04 AM
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what about the cylinder wall? from what i've heard you can only go so far. the valves may contact the edge of the sleeve.
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Old Mar 2, 2007 | 01:54 PM
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It's fine. After all the AFR 225s fit and they are 2.08/1.60....
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Old Mar 2, 2007 | 02:26 PM
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good... thx.
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