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Generation III Internal Engine 1997-2006 LS1 | LS6
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L92 Milling

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Old 01-22-2009, 09:50 AM
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Default L92 Milling
Hey I want to mill my heads down a bit to raise compression, I was told that if I take them down to 60cc chambers I will get 11:1. How much material needs to come off? Anyone have experience with this?
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Old 01-22-2009, 11:59 AM
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Milling to 60cc is a lot for a l92 head. what cam specs are you running? What short-block?
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Old 01-22-2009, 12:06 PM
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Stock they are ~71cc, and it's roughly .005" for 1cc off the Chamber.

Aftermarket Pistons and thinner Head Gaskets will help you get your compression easier than milling.
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Old 01-22-2009, 08:34 PM
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Blah.... too bad I was hoping for a cheapo upgrade. The shortblock is stock, using a Comp ***** Thumpr cam. No budget for new pistons yet. Thanks guys
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