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Old 02-25-2005 | 04:12 PM
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Default piston problem

building twin 540's
4,375 stroke
tall deck
mark IV

need 020 or higher piston size
any www,

4.490 current size need
4.510 or 4.520 bore bt couldnt find yet
inverted dome 8:1 CR max needed

thnx for help
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Old 02-25-2005 | 04:21 PM
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Default Re: piston problem

4.490 bore with 4.375 stroke 8 cyl makes 554cu. ,( it writes 540 on valve covers)
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Old 02-25-2005 | 08:37 PM
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Default Re: piston problem

J and E make great fordged pistons... They are in Huntington Beach CA.
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Old 02-25-2005 | 08:57 PM
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Default Re: piston problem

www.wiseco.com

Last edited by GPM; 02-25-2005 at 10:04 PM.
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