Is my oil cooler overkill for the street?

SouthArk370Z · 08-28-2013, 03:54 PM

Quote:

Originally Posted by bmarcinczyk14

So the vast majority of cars dont even have oil temp gauges, if going high revs in a car below 180 degrees oil temp is so detrimental to a engine, woulnt you think more cars would have oil temp gauges? Most people romp on their cars w/o having a clue what their oil temp is simply because they dont have gauges. I've always based when i should start beating on the car by its water temp, the z is the first car ive had with a oil temp gauge, and im pretty sure the main reason they put one in it is because they decided to skimp on a oil cooler.

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Oil temp gauge is not really needed for a DD. Other params will usually be out of whack if the oil temp is high. It is nice to have in a sports car where the driver is at least mildly interested in keeping everything running as it should. I haven't seen many track cars w/o it.

The oil temp is only used as an indirect indicator that the engine block and bearings are up to normal operating temp. It is a MUCH better indicator than water temp but not perfect.

You are not going to do that much damage if you romp on it hard at 140 or so, but it will take some life off the engine. But then, WOT at normal temp will shave a bit off, too. If you torque the engine much below that temp, bearing clearances may not be correct and the oil may be too thin. (Edit: "thin" should be "thick") If you do it with a cold engine, you run the risk (small nowadays) of bearing damage.

Yes, you can push the engine before it gets up to temp, but I advise that you only do that when necessary. Run the hell out of it but don't abuse it.

critical · 08-28-2013, 05:44 PM

Quote:

Originally Posted by SouthArk370Z

Oil temp gauge is not really needed for a DD. Other params will usually be out of whack if the oil temp is high. It is nice to have in a sports car where the driver is at least mildly interested in keeping everything running as it should. I haven't seen many track cars w/o it.

The oil temp is only used as an indirect indicator that the engine block and bearings are up to normal operating temp. It is a MUCH better indicator than water temp but not perfect.

You are not going to do that much damage if you romp on it hard at 140 or so, but it will take some life off the engine. But then, WOT at normal temp will shave a bit off, too. If you torque the engine much below that temp, bearing clearances may not be correct and the oil may be too thin. If you do it with a cold engine, you run the risk (small nowadays) of bearing damage.

Yes, you can push the engine before it gets up to temp, but I advise that you only do that when necessary. Run the hell out of it but don't abuse it.

viscosity is higher at 140 than 180 so it being thinner couldn't be a reason for bearing damage. ???

luigi90210 · 08-28-2013, 06:46 PM

Quote:

Originally Posted by critical

viscosity is higher at 140 than 180 so it being thinner couldn't be a reason for bearing damage. ???

its the exact opposite, because oil is thicker cold, it can starve the engine when cold because the oil is thicker and doesnt flow as well as a thinner oil

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