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Old 06-22-2005, 04:59 PM
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FFR428 FFR428 is offline
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Join Date: Oct 2002
Location: Fairfield, CT
Cobra Make, Engine: HM-2027 / 427 SO
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The "X" debate is still out to lunch. I'd lean more to a HD block casting that high nickle content of the "X" mark in the lifter galley. The "C" in most cases represents an CJ/SCJ block application.
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