Quote:
Originally Posted by vgames33
Is there any reason you are limiting yourself to an ATF? I'd think a standard motor oil would work fine in that gear set. 0w20 oils are the thinnest that I can think of.
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Thanks for the response. I've considered the idea of various types of oils, but I assumed there was some reason why something like an ATF fluid would be better for this application that other types of oils. I've been doing some searches and asking questions but I haven't found a definitive reason behind using one or the other. Surely there is a reason why one oil is classified as ATF and another is classified as motor. I just assumed that ATF fluid would be better as the application is somewhat similar and 'additives'. I did find redline C+ ATF that seemed to have a pretty good operating temperature range. I have done some searching around for viscosity ratings of 0w20 motor oil and haven't had any success in finding anything that beat the ratings I've found in 2 or 3 ATF.
http://www.redlineoil.com/product.aspx?pid=53&pcid=9 (redline C+ atf) Vis @ 40°C, cSt 32.3 and Brookfield Vis @ -40°C, P 38
http://www.redlineoil.com/product.aspx?pid=137&pcid=9 (redline lightweight racing ATF) Vis @ 40°C 23.2 and Brookfield Vis @ -40°C, P 75 I think that what might be better to ask is, what oil keeps the lowest viscosity at lower temperatures?