Is my oil cooler overkill for the street?

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. (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.

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