Originally Posted by Davey

Getting a little over 220 is no big deal at all, so no, I don't think you need an oil cooler if you don't drive hard and you're just seeing temps a bit above 220.

Keep in mind if you are regularly in the 250 - 270 range the engine won't go into limp mode but you are breaking your oil down a little faster and should probably at least consider a cooler or shortening your oil change intervals.

It's no big deal, really. 220 is about right.