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dwtaylorpdx · 08-09-2019, 02:10 AM

FWIW,, ATF is usually viscosity stable in a pretty wide range,,

In a tow vehicle they usually recommend keeping the auto under
220. few auto lubricants like to be any hotter.

I believe the redline website used to have a table for proper temps,,

Redline ATF, with no cooler lowers my transfercase temp about 40 degrees on my jeep when in low range working it hard.

I think its as important to keep the temp consistent as it is to keep it low.
Thermal changes work the parts harder..

08-09-2019, 02:10 AM	#21 (permalink)
dwtaylorpdx EcoModding Apprentice Join Date: Oct 2009 Location: Portland OR Posts: 204 Thanks: 1 Thanked 30 Times in 21 Posts	FWIW,, ATF is usually viscosity stable in a pretty wide range,, In a tow vehicle they usually recommend keeping the auto under 220. few auto lubricants like to be any hotter. I believe the redline website used to have a table for proper temps,, Redline ATF, with no cooler lowers my transfercase temp about 40 degrees on my jeep when in low range working it hard. I think its as important to keep the temp consistent as it is to keep it low. Thermal changes work the parts harder.. __________________ If it has a motor its worth playing with.......