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Old 10-21-2001, 08:03 AM
Tom Tom is offline
Join Date: May 2001
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First the steel crank is the same as a 396/427 it will have a wide parting line where the journal centers are lenthwise if its cast the mold line will be thin and have the letters NF cast into the crank second a hi block or tall block has about 3/8 taller deck height than a car block the intake manifold is wider the reason is the pistons were 4 ring design
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