Cant speak for Tracking the Z but the factory oil cooler definitely does its job during normal driving. I don't think its as crappy as some people have said on this forum.
The oil temperature in my 2009 Z stayed near 220 during normal driving, my 2012 stays near 200.
09=didn't come with a factory oil cooler....2012=came with a factory oil cooler
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2009 370z w/ sport package - manual tranny
2012 370z Touring - automatic tranny
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