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C5 Forced Induction/Nitrous C5 Corvette Turbochargers, Superchargers, Centrifugal, Twin Screw & Roots Blowers, Twin Turbo Kits, Intercoolers, Wet & Dry Nitrous Injection, Meth
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Old Dec 6, 2006 | 04:32 PM
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Default Lifting Heads
How much boost before you lift the heads?

I was looking to run 18-20 psi with twin gt35r's
Last edited by 430 LSX; Dec 6, 2006 at 04:35 PM.
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Old Dec 6, 2006 | 04:38 PM
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depends on the compression, what size studs, gaskets, o-ringed ?
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Old Dec 6, 2006 | 04:40 PM
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been there done that 19.2

compression 8.4 L19 studs mls and afr 205
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Old Dec 6, 2006 | 04:57 PM
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8.8:1 compression, MLS gasket, ARP studs (not sure on L19 depending on outcome of longevity), Ported ls7 heads + O ringed
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Old Dec 6, 2006 | 05:07 PM
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I dont know, but you will have to change your avatar
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Old Dec 12, 2006 | 09:23 AM
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I run 19 psi on a 347" with mls gaskets and arp 12 point studs with my twin GT35R's with no issue.
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