Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!
There is no magic here just an expansion tank for when the grease gets hot and expands up the vent tube. I run a diff cooler setup to control the temps which get up in the 285 deg F range on track with the Torsen. Ford lowered the fill level which I don't agree with, I fill to bottom of plug hole to keep lube on all parts during cornering etc. I use Bob's , but the Shelby version will work just as well.