LT5 6.2L Engine Details

The LT5 engine found in the 2019 Corvette ZR1 is the most powerful engine ever produced from GM.  

  • 755 horsepower and 715 lb.-ft. of torque
  • Over 600 lb.-ft. of torque available from 2,200 rpm to redline (6,500 rpm)
  •  Peak boost pressure of 13 psi and 52% larger displacement (compared to the LT supercharger on Z06 models) and features highflow efficiency 4-lobe design rotors to maintain peak effectiveness at higher speeds
  •  95 mm bore throttle body that complements the larger supercharger and dual fuel injection system to flow plenty of air in the engine
  • Dry-sump lubrication 
  • Upgraded crankshaft (higher-strength steel) and torsional vibration damper with a steel inertia ring to handle higher operating loads
  • New dual fuel injection system that uses a port fuel rail and injectors, in addition to the direct injection system to provide supplemental fueling during power enrichment moments 

LT5 Supercharger Cutaway

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Chris Trautman @ Corvette Assembly Plant 2019

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