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Guys with 243's

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Old 02-12-2009, 12:44 PM
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well does anybody know exactly how much milling needs to be done?
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Old 02-12-2009, 06:06 PM
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Originally Posted by rst06rado
well does anybody know exactly how much milling needs to be done?
milling them .040 will yield 57.34 cc chambers
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Old 02-12-2009, 07:03 PM
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what would that put the comp at on an 08 5.3
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Old 02-12-2009, 07:08 PM
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Originally Posted by POPO1984
what would that put the comp at on an 08 5.3
Im fairly sure the nnbs trucks already have the 243 style heads.
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Old 02-12-2009, 07:11 PM
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Originally Posted by RandomHero
Im fairly sure the nnbs trucks already have the 243 style heads.
yep they do
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Old 02-13-2009, 01:09 AM
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Originally Posted by dirt track racer 81
yep they do
X-2 . . these nnbs. come with 243/ 799 . . good flowing heads
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Old 02-13-2009, 06:09 AM
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Originally Posted by dirt track racer 81
milling them .040 will yield 57.34 cc chambers
What would that put my compression at? Somewhere like low 10's : 1?

Thanks everyone for your input, keep it coming.
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Old 02-19-2009, 11:24 AM
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Can anybody chime in on this one? thanks.
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