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Question about milling stock heads

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Old Nov 11, 2006 | 10:06 AM
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Default Question about milling stock heads

Hey all,

I have stock LS1 heads, and I'm considering milling them 0.030-0.040". Is there any good way to determine exactly how much this is going to decrease my combustion chamber size? I'm trying to figure out what my CR will be afterwards.

TIA.
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Old Nov 11, 2006 | 10:10 AM
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On average each .005 mill is 1 cc reduction.
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