NEW GEARS...Front diff temperature vs rear?????

Joined
Dec 29, 2018
Messages
22
Location
Pineville, Ky
Just re geared the 80 to 4.88's and installed front and rear arbs.... I'm in the break-in phase and the front diff seams to be running noticeably warmer than the rear... to the touch it is much cooler than the t-case after 15 ro 20 minute drives... my question is does anyone have a temperature that is "normal" for diffs and t-case to run?
 
Joined
Aug 26, 2009
Messages
5,602
Location
flat earth Midwest
 
 
I don't have any numbers, but remember the front diff is sitting right under a big hot motor. Radiant heat is almost always going to keep it warmer than the rear. A 10 to 15 degree difference seems like it could be pretty normal.
 
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