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Our read

GarageScout Take

The square-body’s distinction is a specifically identified LM7 Vortec and 4L60E conversion, with 706 heads, upgraded cooling, and a shift kit defining its mechanical recipe. Mileage sits mid-pack for this generation.

Strengths

  • Named LM7 Vortec V8 powertrain with EFI, aluminum heads, upgraded cooling, and dual exhaust.
  • 4L60E four-speed automatic with an aftermarket shift kit.
  • Rally wheels paired with Cooper Cobra Radial GT tires.

Watch For

  • Extensive aftermarket modifications include the engine fuel system, cylinder heads, cooling system, shift kit, exhaust, and radio.