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The Vortec 5300 is a V8 truck engine. It is a stroked (by 9 mm) version of the Vortec 4800 and replaced the 5700 L31. Power output is 285-315 hp (223-239 kW) and torque is 335 lbf·ft (454 N·m) to 350 lbf·ft (470 N·m). Displacement is 5.3 L (5,328 cc (325.1 cu in)) from 96.01 mm (3.779") bore and 92.00 mm (3.622") stroke. Another engine variant, the L33, shares the same displacement, but has an aluminum block with cast in cylinder liners, much like the LS1. This allowed a 100 lb weight savings over the standard LM7 model. Other differences were a higher lift cam shaft (0.482" v. 0.456" on both intake & exhaust), higher compression ratio (9.9:1 v. 9.49:1), and used cylinder heads originally designed for the LS6. These differences bumped output: GM rated the engine at 315 hp (235 kW) and 338 lbf·ft (458 N·m). This engine was used only in extended cab, short bed
_________________ 69 Chevy Camaro X11, LS1 6-speed (project Stealth)
69 Chevy Camaro X44, LT1 (ex) 68 Plymouth Valiant, 383 Magnum(ex) 74 Ford Maverick, 302 (ex) 88 Chevy Astro (ex)
Non Athletic Sport Created Around Rednecks
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