Thread: COPO 3963512 block. No VIN#
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Old 01-21-2010, 04:19 PM
steakandracingfuel steakandracingfuel is offline
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Default Re: COPO 3963512 block. No VIN#
are you guys sure. 4.250 is the bore it is .060 over and it is a 3963512 block. hard for me to believe this is a 454 when the bore, casting # and crank are all 427
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