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Old 01-31-2010, 08:16 PM
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Olds 455`s are undersquare engines, meaning the stroke is greater in inches than the bore. With it`s good sized 4.125 inch bore and long 4.250 inch stroke, it`s a torque monster. Put the right pieces in it`ll shred the tires off that thunder chicken (firebird) with ease.
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