Quote:
Originally Posted by ZDan
If it's working fine and not leaking, and there are no vulnerable lines running under the car, and you don't drive it in the colder months, nah, I wouldn't necessarily recommend removing it if it's not hurting anything and the oil temp always gets up to ~190F reasonably quickly.
Do you track the car? Personally, if I turbo'd mine, I'd first see what the oil temps did at the track without a cooler first, and if they stabilized comfortably below 300F then I probably wouldn't bother with one. Above 285F I'd definitely go to 40 or 50 weight though.
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Heavily track the car (drifting), but also summer street car, using M1 0W-40. HKS is thermostat, so gets up to temp quickly, and I usually peak around 240*F (measured at sandwich plate) although I have seen higher. Pre-turbo I was getting up to 250F, so I just did cooler at the same time as turbo.
That's where I'm sorta coming from. Its not hard to ensure an oil cooler isn't leaking or having vulnerable lines. So with that said...seems oil temps of 220-240 are highly preferred (although not necessary) compared to 280-300F.