5.3L V8 (Vortec 5300, LC9 or LM7)
Common in Sierra, Yukon, and Silverado.
• Type: OHV V8, aluminum or iron block
• Displacement: 5.3 L (325 cu in)
• Bore x Stroke: 96.0 mm × 92.0 mm
• Compression Ratio: 9.9 – 10.0 : 1
• Horsepower: 315 – 320 hp @ 5,200 rpm
• Torque: 335 – 340 lb-ft @ 4,000 rpm
• Fuel System: Sequential fuel injection, Flex-Fuel capable
• Valvetrain: OHV, 2 valves per cylinder, Active Fuel Management (AFM)
• Transmission: 4L60E or 6L80 (depending on trim)






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