Oil Cooler and Engine Reliability

Megan370z

IMO, I would prefer to know the temperature at the exit instead of the inlet. This will give a better reading at how hot the engine is actually running at without having a cooler affecting the reading.

I'm not saying Nissan did wrong by installing the sensor at the inlet, its not the point since its also a valid location.


When I blew the VVEL (oil starve) I think the gauge was saying about 280-285F after , now imagine how Hot it actually was !! no good hehe..

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mcspooney

Ew. You are right. In the event of an overheat the safer number to go by should be the higher number... the outlet temperature.

Maybe the point of having it at the inlet would be more for gauging that the engine as it reaches operating temperature as it heats up--in that case you would want to go by the lower temperature number at the inlet.

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Rusty

I believe the thermostatic plate is at 10% open when cold. Not 20%. The reason why is not to mix cold oil with hot oil and shock it.

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gurneyeagle

Ditto on simply blocking off the cooler when it's cool/cold outside. I simply used some blue painters tape. I was going to take it off today after the air temp hit 80° here in Houston yesterday, but the temps are plunging this upcoming week. Until daily temps start hitting the 90's, I may just leave half the tape on. Unless I'm doing a track day or aggressively driving back roads, oil temp hasn't been a problem.

Even with it blocked-off, and me aggressively paddle shifting last weekend on some back roads between Austin and Houston last weekend, my oil temp never went above 220° and quickly dropped down below 200° once we got back to a steady cruising speed.

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