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What is my compression..........

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Old Dec 1, 2001 | 12:50 AM
  #1  
OneThirtyEight's Avatar
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Default What is my compression..........

I have an LS with USDM ITR pistons, very mildly milled head (not sure exact numbers, but not much)

What would my compression be? Im going to turbo it real soon, and want to know what kind of compression I would be working with.
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Old Dec 1, 2001 | 05:22 AM
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Default Re: What is my compression.......... (97blackteg)

i believe with stock configuration the comp should be around 11:1. With some slight milling I guess it would be a tad bit higher than that. Not exactly boost friendly for those thinly cast pistons.
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Old Dec 1, 2001 | 06:55 AM
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Default Re: What is my compression.......... (badCRX)

its about 10.8 without the milling and ever .010 milled is about .2 compression so if yours is only milled .010 then prolly 11.1.
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Old Dec 1, 2001 | 10:19 PM
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Default Re: What is my compression.......... (rainforest)

OK, So I definatly need an inline pro headgasket?
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