What is normal oil pressure for a Chevy express 2500 cargo van 4.8?

The normal oil pressure for a Chevy Express 2500 cargo van with a 4.8L engine is typically between 40 and 60 psi at idle, and between 60 and 80 psi while driving. However, oil pressure may vary somewhat depending on factors such as engine temperature, oil viscosity, and the vehicle's load. If you notice a significant deviation from these values, or if the oil pressure warning light illuminates, it is recommended to have your vehicle inspected by a qualified mechanic to determine the cause and ensure proper lubrication of the engine.