Originally Posted by
SN60 Boost
No oil cooler and at this point I don't believe it will be necessary. Pretty sure it is not slipping internally based on steady pressures on the gauge and not getting above 150 (guess) in temperatures when boosting. Might actually be cooler than 130 because on shut down there is heat soak creep of temperatures. Perhaps I should add an on board temperature sensor to the blower casing to see. I've heard the VR-4 is hot because of the very high pressure plate loads on the steel balls. So, yes, ceramic balls nitride would be a big help on those units and that should allow less pressure loading requirements I would think. Perhaps you can be the test mule on that theory.
My fluid is nonsynthetic B & M Trick Shift.