[Steve C.]

General tech articles for performance applications, it is my understanding a temperature of 175-200 is normal, and 275 is suggested maximum. In a related Car Craft article it stated under 200 degrees is nice, however Canton in conjunction with their oil cooler sales says keep it at a minimum of 215 degrees.

And somewhat related from a magazine article....

"To alleviate the creation of excessive moisture, the optimal operating range of engine oil is no less than 212 degrees, which is the point at which the water in the oil will evaporate. Vehicles with an oil temperature thermostat are typically set right at or slightly above this mark. Conversely, you don’t want to run the oil above roughly 240 degrees, as Speed tells us, because you begin to significantly reduce the life and operating ability of the oil, as oil containing moisture doesn’t flow or lubricate properly."


I called Red Line Oil years ago about oil temps approaching 250 degrees and the tech guy chuckled, then gave a reassuring replay not to worry. This with synthetic oil.
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