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The GM Performance Vortec 5300 LM7/L59 is a V-8 engine for pickups and sport utility
vehicles. The LM7/L59 uses a cast iron block. In production
form, the 5.3L LM7/L59 is rated at 285 hp and 325-330 lb.-ft.
of torque. The LM7/L59 displaces 5.3L from its 96mm bore and
92mm stroke.