I wonder if most/all toyota's destined for the JDM don't have oil coolers as they know the cars won't be on the roads that long and thus figure the engines will be fine for that period of time without an oil cooler, but for the long term (ie cars imported under SEVS, motors brought into australia) probably won't live such a long life compared to the same engine with an oil cooler.
Just something i was thinking about today.
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