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#3
04-04-2013, 07:42 PM
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The "HF" stamped on the engine pad does correspond to a 65' 300 HP Corvette. The head castings escape me... should end in 462. The head casting number you posted is for a low performance 2bbl head with tiny 1.72I/1.50E valves. The exhaust manifold casting number looks correct. The intake manifold - I came up empty handed.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi 1969 Malibu COPO L72/M20/12 bolt 3.31 posi 1968 Malibu LQ9/4L80E/12 bolt 3.73 posi 
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