What is the normal engine operating temperature for a 2004 chevy with the 6.0L Vortec?

Sources say the normal range of temperature for a vehicle's engine is 195°F to 200°F, maintained with a mixture of 50% antifreeze and 50% water.

When the temperature goes above 200°F, boiling of the coolant solution can cause overheating. An antifreeze/water 50-50 solution will boil at 225°F or so. Increasing the amount of antifreeze to 70% will increase the boiling temperature to 276°F.

Engine oil also acts as a coolant and lubricant. Higher temperature lowers the viscosity of the oil and its lubricating ability.

Engine oil temperature, compared to water temps, do not go down as fast as the water temps. They maintain a high temp for a longer period of time, further breaking down the oils capability to keep a barrier between metal parts.

You should be ok with the use of proper oil viscosity. A good synthetic oil and quality filter, along with proper changes will protect your engine.

For more detailed info, talk to your local Chevrolet dealer.

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Tags: chevroletengine