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Generation III Internal Engine 1997-2006 LS1 | LS6
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Engine Machining Question

   
Old 04-28-2007, 11:08 PM
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Default Engine Machining Question
Hey,

I am curious on how much can I bore a '99 LS1 engine block out, before I would have to resleeve and is it possible to put a 4.10 stroke in a `99 LS1 Block.

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Old 04-29-2007, 04:04 PM
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You can bore them very little. I'm not 100% certain how much, but I think the limit is .005" or .010".
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Old 04-29-2007, 04:20 PM
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i think you can go as much as .030 and fit a 4.0 stroke.
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Old 04-29-2007, 04:29 PM
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Is it posssible to put a 4.1 stroke into a stock ls1 block or do i need to modify the crank case a little to fit it in there.
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