Differential fluid and modifier

[Jametemp]

Sorry for the dumb question. I'm currently on the road so I don't have access to my manual. I'm wanting to change my diff fluid and need to get the oil and modifier coming before I get home.

96 GTS, street use only. What is the weight of the diff fluid and p/n of the modifier?

 

[efnfast]

I just use the Mopar stuff, works well - 1.3L Mopar 75W-140 GL5 Synthetic Gear/Axle (4874469 ; MS-8985) + 4oz Mopar limited slip additive (4318060; MS.10111)

 

[GTS Dean]

I'm using Valvoline 75W-140 synthetic in the handy squeeze bag. It already has the friction modifier in it. Our diffs don't hold a lot of oil and if you're running it at the track with regularity, I recommend changing about every 12-18 months.

 

[Steve E]

In both my Vipers I use Amsoil 75-140 friction modifier is already added. Thats the best you can use.