Quote:
Originally Posted by mike_ekim1024
I'm tweaking my Torque display and have come across a few discrepancies regarding fluid temps.
I did a short drive around and have these temps (it's 60F to 70F here):
Oil Temp: 208.4F
Coolant: 192.2F
Intake: 89.6F
I've searched the forum and read that operating temperature is 90C = 194F, and have also read that common spirited driving oil temps are 215F - 230F.
The Perrin oil cooler states the engine is happiest at 85-90C (185F-194F), but then I've also read it's good for the oil to get hotter to boil any water out. So 100C is not bad?
Thoughts?
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Perrin probably says that because that is what they have seen with their oil cooler under normal driving haha...
Also... it is important to note that all oil temps you are reading are POST cooler. It is anyone's guess what they are before the cooler or in the pan. And an even bigger question. What are the oil temps in the head or cylinder walls? Probably MUCH higher. I am not saying that that is a bad thing. I am not sure what exactly is happening in that engine while it is running but I think it is safe to assume any oil in the pan is being splashed up by the crank where the water (if there is any) would be sitting on top. the crank, rods, pistons, and cylinder walls are much hotter than the oil. Once it touches anything it will most likely vaporize. If the water makes it through the pump and into the heads it doesn't stand a chance.. Oil too cold isn't a good thing but I don't think pan temps need to be 100C to eliminate water.. and once again.. you have no clue how hot your pan temps are..
It's a little cold where I am so I gave my baby a coat!! Oil temps were 165 now are 205F
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