These temps were taken with a IR temp monitor when I was towing my trailer with outside temps in the mid 90's and very steep hills (Hwy 49 in California). I have recently checked the temps using a surface mounted RTD and it was running 180-190 while towing with a high of 210 degrees after...
I've searched around and have not found an answer to this question.
What is the maximum temperature that a synthetic 75-140W gear oil is good for?? How about regular non synthetic gear oil??
I have measured temperatures of up to 260 degrees in my rear diff and I wonder what the maximum safe...
