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Generation III Internal Engine 1997-2006 LS1 | LS6
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milling question

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Old 03-25-2002, 06:57 AM
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Default milling question
How much milling is required to bring a set of 98 heads up to 10.8:1?
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Old 03-25-2002, 11:26 AM
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Default Re: milling question
On a fully stock motor I believe you have to mill .035.
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Old 03-25-2002, 01:54 PM
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Default Re: milling question
I thought 97 and 98 LS1's were 10.8:1 and in 99 they went to 10.1:1?
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Old 03-25-2002, 06:53 PM
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Default Re: milling question
They are all 10.1 to 1

From 97 on up
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Old 03-25-2002, 08:41 PM
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Default Re: milling question
SStrokerAce:

What would the compression be by milling 6.0L heads .030, .040, .050, & .060? I think alot of people want to know this question on here. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
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Old 03-26-2002, 12:46 AM
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Default Re: milling question
between .030 and .035

If you mill .030 you will reduce the chamber about 6cc or about 10.74:1 when you go .035 you are now 7cc's smaller, and about 10.88:1

I hope that helps
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