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Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

piston and head cc's

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Old 03-20-2014, 06:57 AM
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Default piston and head cc's
Does anyone know the combustion chamber and piston cc's on a stock Lmg 5.3 motor?
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Old 03-20-2014, 07:30 AM
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What year? Pistons are flat tops (0cc) but heads differ I believe whether they are the old 5.3s or newer 799s.
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Old 03-20-2014, 03:40 PM
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Originally Posted by redtan
What year? Pistons are flat tops (0cc) but heads differ I believe whether they are the old 5.3s or newer 799s.
I thought 5.3's were dish piston and 4.8's were flat top.
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Old 03-20-2014, 04:11 PM
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That's why I asked the guy what year, cuz they newer 5.3s come with 799 heads and flat top pistons.
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Old 03-20-2014, 08:27 PM
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It's an 09 truck and I believe it has the 799/243 casting heads on it, I checked the one day but I don't remember
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Old 03-21-2014, 05:51 AM
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So you should have 0cc pistons and 64.5cc heads.
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Old 03-22-2014, 01:28 AM
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Okay thanks! So the piston are 0cc flat top with valve reliefs?
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Old 03-23-2014, 06:35 PM
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Can someone help me select forged pistons for my engine? Iv looked on summit and I can get from -10cc to +6cc?
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Old 03-23-2014, 06:36 PM
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Well what compression do you want?
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Old 05-05-2014, 09:55 PM
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I would like to go with a lower compression, like a 8.5 or something close, for a turbo
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