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Old 01-25-2015, 05:48 PM   #23 (permalink)
Jordo!
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Normal. Your (pressurized) coolant temp is probably around 220 - 250* F when fully warmed up. Modern oils can run quite a bit hotter than that without shearing.

Add some cool fins to the bottom of the oil pan by ARC to drop temps about 10-15 degrees if you wish -- search, it does actually work as promised.

Unless you start seeing temps creeping up over 240* F in normal driving, I wouldn't be concerned. Over 300 F* at sustained high load is risky (but no guarantee of failure), and the car goes into "limp mode" at 260*, so really, unless you are tracking it, it is highly unlikely you need to purchase an oil cooler.

So I'm told, the ECU does pull a bit of timing over 205*F, but 220* F is hardly anything to lose sleep over.

A good rule of thumb is not to flog the car hard at all until between 160 - 175* F, and take it easy over 280*, a value the ECU will not allow you to reach at full tilt. Both these values mean less and less and modern synthetics become better engineered to provide excellent lubrication within a wide temperature range.
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