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Generation III Internal Engine 1997-2006 LS1 | LS6
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What head casting can I open the chambers to 75cc?

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Old 01-19-2009, 11:27 AM
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Default What head casting can I open the chambers to 75cc?
Are there any castings out there that will allow the chambers to be opened up 75cc's on a 4.030" bore setup? I am in need of a thick deck deck head as well as needing to drop my compression. I would rather just do a large cc head than change the pistons out as well. Any suggestions?
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Old 01-19-2009, 11:30 AM
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This must be for a FI app? you looking for aftermarket or a factory head? A few people do the 6.0 (317 i think ) heads.
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Old 01-19-2009, 11:37 AM
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Originally Posted by tillery
This must be for a FI app? you looking for aftermarket or a factory head? A few people do the 6.0 (317 i think ) heads.

Aftermarket as I am looking for as thick of a deck as possible.
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Old 01-19-2009, 11:47 AM
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AFR 225s come in a 71cc dont they? It would take much more to open them up. You look at ETPs.
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