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compression question

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Old Nov 20, 2005 | 01:52 AM
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GDM Z28's Avatar
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what will the compression be with a lq9 block and ls1 heads that were milled .030

TIA
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Old Nov 20, 2005 | 07:24 AM
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~ 11.5

I assume that you have flat top pistons.
Use this calc: just enter a negative value for piston to deck height. I entered -.007
.030 mill on LS1 should be around 60cc +/-
http://www.rbracing-rsr.com/compstaticcalc.html
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Old Nov 20, 2005 | 10:43 PM
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Originally Posted by PREDATOR-Z
~ 11.5

I assume that you have flat top pistons.
Use this calc: just enter a negative value for piston to deck height. I entered -.007
.030 mill on LS1 should be around 60cc +/-
http://www.rbracing-rsr.com/compstaticcalc.html
ill be using the stock lq9 pistons.
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