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Ls3 turbo piston 10-12 psi ?????????????

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Old 12-29-2009, 11:56 PM
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Default Ls3 turbo piston 10-12 psi ?????????????
Any idea's on which piston to run? LS3 block,stock stroke,6.125 rods,4.065 bore, AFR225 heads 64cc chamber's. Want to be 9.0 to 9.5 to 1 on compression. Will run 10 to 12 psi, 76mm turbo.
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Old 12-30-2009, 02:19 AM
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20cc dish will get you 9.0:1 assuming a .05 headgasket crush thickness.
14cc dish will get you 9.48:1
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Old 12-30-2009, 07:09 AM
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Yeah chase I had told your dad you would want a 15-20cc dished piston. The CR calculator is easy to find just do a google search if you want one to help you out.
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