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Milling LS3 heads

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Old 04-18-2010, 09:37 AM
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Default Milling LS3 heads
How much is too much without having side effects? How may cc's are removed from the stock chamber per .010 milled?
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Old 04-18-2010, 09:40 AM
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You loose PTV clearance with milling. Typically s 1cc per .006-.007"

If you mill too far you also have to machine the intake port face to keep alignment for your intake.
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