As a beginner at the track, I needed an oil cooler long before brake pads, but I have the nismo pads and brake a lot less vigorously than I could--I leave a little on the table in case I screw up. While braking late takes more confidence than I've developed, using the go pedal is easy, so I would overheat my oil at 1-2 laps before I bought the cooler.
But I do have to ask, does the oem fluid give clear signals before boiling? If not I may want to upgrade the fluid for peace of mind.
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