Silverado 2500 2WD V8-8.1L VIN G (2005)
Engine Oil Pressure: Specifications
Oil Pressure - Minimum ................................................................................................................................... 34 kPa @ 1,000 RPM (5 psi @ 1,000 RPM)
Oil Pressure - Minimum ................................................................................................................................. 69 kPa @ 2,000 RPM (10 psi @ 2,000 RPM)