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1993 LT1 what will my compression be if I mill my heads .030" ??

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Old 10-05-2001, 01:30 PM
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dizwiz24
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Default 1993 LT1 what will my compression be if I mill my heads .030" ??

Hi,

I am in the process of a hot cam kit install, head port polish, gasket match intake and exhaust, and head mill .030"

I need to know what my compression will be after I do this.

Does anybody know? The reason why I need to know is so I can give the info to Ed Wright for a custom chip program.

mY car is a 1993 6speed Corvette convertible

Any response would be appreciated.
Old 10-06-2001, 02:32 PM
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Matt Gruber
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Default Re: 1993 LT1 what will my compression be if I mill my heads .030" ?? (dizwiz24)

here is a rule of thumb i got from AFR:
mill.06"=1cc
6cc=1 Pt.
1pt=4% more power

so, .030" = 5cc or +5/6 point.
Old 10-06-2001, 02:35 PM
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Matt Gruber
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Default Re: 1993 LT1 what will my compression be if I mill my heads .030" ?? (drives61)

should read .006"= 1cc

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