LT1 Block Pictures of the C7 Corvette Engine

  • LT1 Block Gen 5 Engine Block Details
  • Engine type: 90-degree V-8 with overhead valves; continuous VVT
  • Displacement: 6.2L (376 cubic inches)
  • Bore x Stroke (in / mm): 4.06 x 3.62 / 103.25 x 92
  • Cylinder block: cast aluminum 319 with new nodular main caps revised from powdered metal
  • Main bearing fasteners: six, including two cross-bolts per cap
  • All Aluminum Deck Face cast over cylinder liners
  • Crankcase Optimized for Windage
  • New Engine Mount Bosses and Rear Cover Mounting Provisions
  • New Water Jackets
  • In valley SIDI Pump (Direct Injection Pump) as a result a new rear cam bearing is used.
  • M12 Length Head Bolts revised from M11 from previous generations


    • LT1 Block Top
    LT1 Block Bottom
    LT1 Bloc

    The new LT1 Block will use both wet sump and dry sump oiling systems. This gives us a clue to future performance upgrades to the C7 Corvette. We assume that the Grand Sport or maybe a Stingray badge maybe the higher performance version Corvette base model.

    LT1 Piston Squirter

    LT1 Piston Oil Squirters

    The LT1 engine uses technology first used on the 2009 Corvette ZR1. If you are having a hard time finding these squirters just look for the oil tubes next to the main caps pointing up to the bottom of the piston. These pistons oil squirters shoot oil on the backside of the pistons helping to remove heat from the pistons. This little trick helps to reduce detonation.


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