I’m assuming it’s in a scrap heap in CT somewhere (it’s common for Evo guys to take them off after an engine change). I installed an oil temp gauge last night and deemed that a cooler was needed. Saw 220 last night in 60 degree ambient, saw 195 today in 80 degree ambient (after cooler install). All of these shops that say they are not needed on a street car are wrong (Buschur, AWD, etc), and only using the “well it’s running so it’s not broke” logic. I’m sure they are getting the oil over 250 during tuning sessions.
Some people will say that oil does not ‘work’ until over 200, totally wrong. Between 160-200 is optimal. Bearings love cool oil, that’s right out of the mouth of a former Clevite head of research. The ‘needs to get to 212 to boil off moisture’ logic is also.
I pieced together the same cooler that STM sells for about 50 dollars less.