Quote:
Originally Posted by JLarson
Complication 4: The 2012+ 370zs have a factory oil cooler that's not terribly effective.
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Nice notes! Just one comment here... the popular opinion on the board is that the OEM cooler doesn't do much.... I have found this to be far from the truth. I removed mine for most of the year and ended up reinstalling in not too long ago.
Without - cruising at 95mph in about 90 degree heat my oil temp would stabilize around 260. After putting it back on, similar conditions, about 225. I think the effects of it are less pronounced since it regulates the temperature against the coolant temp which can easily reach 200+ degrees during normal usage... whereas an air cooler will easily get oil temps down to 180's or even lower.
Please take the numbers with a grain of salt, as my car is pretty far from stock. But the 35 degree difference does show that the OEM cooler does make some impact.