2016 CTD 2500 REAR DIFFERENTIAL QUESTION
I was looking at the window sticker from my 2016 CTD and I noticed it said I had the optional "Anti-Spin Differential Rear Axle". Ratio is 3.42. Does that mean I need to run the friction modifier in...
Forum Discussion
Highly advise dumping the OE fluid and run AMZ/OIL SevereGear 75–90.
