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
Ron3rd wrote:Cummins12V98 wrote:
Highly advise dumping the OE fluid and run AMZ/OIL SevereGear 75–90.
Do you know who has a good price on this lube? Also, it looks like they make this lube both with and without the LS additive, which I don't require.
You can setup your own account. Lots of places like NAPA sell it. You want the Severe Gear.
