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Question about Heads

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Old May 25, 2006 | 08:29 PM
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Vette'n04's Avatar
Vette'n04
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Default Question about Heads

Will the Heads from an '03 Z06 (243 Castings, "D" Shaped Exhaust ports and 64CC Chambers) fit an'04 LS1 Corvette Motor? If they do, is it a direct bolt on and are other mods needed? How much of a performance gain would I realize with an Aftermarket Intake, Cat Backs, and a "COW" special tune? Thanks guys!
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Old May 25, 2006 | 08:40 PM
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smask04c5
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yes they are a bolt on. suggest replacing stock pushrods with hardened. try using the cometic .040 head gaskets, without a cam change, probably around 30hp.
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