Thread: Guestamate of my HP
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Old 02-16-2005, 02:22 AM
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Join Date: Oct 2002
Location: Fairfield, CT
Cobra Make, Engine: HM-2027 / 427 SO
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Paul, if the block has vertical ribs on the outside good chance it's a 70's era service block. Check the date code. The first number will have two dots underneath it for a 70's block also.
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