In a thread before I posted about how I was told that the hydrofan somehow cools the oil. Something like the coolant that goes to it also runs along oil and acts as somewhat of an oil cooler. I've read that an oil cooler isn't exactly wise for a 1jz because it lowers oil pressure, so I'm trying to figure out what to do. I have an electric fan from my 7m, it's a zirgo 3300cfm, and there's no doubt in my mind that it flows enough air. The question is that if what I was told was true about the hydrofan cooling the oil, if I run the efan on my 1jz, what do I do about the oil? Run an oil cooler (Always hear they lower oil pressure..)? Is it needed or is what I was told not true?